Timing Belts Index
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Power Transmission Solutions
Power Transmission Solutions
Belt Drives overview 2Belt Drive Selection:
- Metric & Classical Belts 3-9- Green Linear Belts 25-26- Polyurethane Belts 36
Belt Installation 10Clamping Plates 45Classical Timing Belts and Pulleys 27-34Classic Belts:
- Standard Range 29-30Classical T/Belt Pulleys:
- Pilot Bore (XL,L,H) 30-32- Taper Bore (L,H) 33-34
Metric Timing Belts and Pulleys 11-22Metric Belts:
- Standard Range 12-14- Green Power Open Ended Belts 24-26
Metric T/Belt Pulleys:- Avante System (5M,8M,14M) 19-20 - Pilot Bore (3M,5M,8M,14M) 15-18 - Taper Bore (5M,8M,14M) 21-22
Polyurethane Timing Belts and Pulleys 35-43Polyurethane Belts:
- Standard Range 37- Open Ended Belts 43
Polyurethane T/Belt Pulleys:- Avante System (T5,T10) 38- Pilot Bore (T2.5,T5,T10, AT5,AT10) 39-42
Taper Bore Bushes 23Timing Bars 44Trouble Shooting 45
Catalogue Selection INDEX
Enquiry
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CD Contents Catalogue Selection INDEX
Timing Belt Drives
2
Cross+Morse Timing Belt Drives take their place in industry as a highlyefficient, job proven medium for mechanical power transmission. Becausethese drives combine many important exclusive characteristics, theypresent an entirely different concept in the transmission of power. Theyare highly versatile in application and speed range.Timing belt drives are positive and offer accurate synchronisation ofspeed, and often make possible worthwhile economies in the design of amachine, because they require less space, reduce bearing specification,eliminate tension devices, yet assure an unusually high degree ofefficiency.Virtually every industry has tested and approved timing belt drives. Theyhave been adopted as standard equipment by a wide variety of machinebuilders and equipment manufacturers. Millions of successful drives inoperation without belt replacement for more than five years beartestimony to these drives. Cross+Morse offer three types of timing beltdrive to cover the full spectrum of industrial requirements.
These are the original tooth belt drives, introduced for the transmission oflow torque instrumentation drives more than forty years ago, and sincedeveloped and adopted for millions of drive applications. Eight differentpitch configurations were produced, but later belt designs have eliminatedthe demand for all but three sizes. Cross+Morse offer complete drives to1/5” (XL), 3/8” (L), and 1/2” (H) pitch sizes with both pilot bored and taperbored pulleys. Drives to other configurations can be supplied to order.The Classical Timing Belt is the ideal low cost drive for powers up to 25 KWwith a wide range of both belts and pulleys available from stock. Doublesided belts and open ended belts can also be supplied.
The Classical Timing Belt Drives
Demands for ever increasing powers and speeds led to the introduction ofa Metric Series of High Torque Drive Belts, using a parabolic tooth profileto enable increased tooth contact between belt and pulley. The new toothprofile has improved shear stress resistance, increased power capacity, andreduced noise levels. Pirelli introduced the RPP belt with an indentation atthe top of the teeth, to allow local elastic deformation during meshing withpulley, and easier air discharge to further reduce noise levels. Cross+Morsecombine RPP belts with std. Metric pulleys to provide off-shelfdrives in 4 pitches; 3mm (3M), 5mm (5M), 8mm (8M), and 14mm (14M).Further development created RPP Plus Belts in 8mm (8H) and 14mm (14H)pitch with double power capacity; and RPP Gold Belts in 8mm (8P) and14mm (14P) pitch with treble capacity; both still operating on standardmetric pulleys allowing full interchangeability with existing drives. Drivesup to 600 KW can now be transmitted.
The Metric Series Belt Drives
These belts use steel tension cord encased in a polyurethane jacket with inte-gral teeth. The method of manufacture ensures tight control of pitch lengthfor applications where accurate positioning is required. Polyurethane is anon-crumbling, non-marking material with excellent resistance to mineraloils, greases and light acidic solutions making it an ideal material for foodapplications, on cigarette manufacturing machines and paper transportingsystems. Polyurethane belt drives are available in 3 pitch sizes, 2.5mm (T2.5),5mm (T5) and 10mm (T10), with a selection of pilot bore pulleys.Double sided belts and long open end belt lengths are also available. For rec-iprocating drives clamping plates are available to retain the belts.A new range of PU belts to operate on standard Metric pulleys is availablein 5mm, 8mm and 14mm pitch in open end construction for high loadreciprocating drives (ref. pp 24-26).
Polyurethane Timing Belts
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a. Determine Belt LengthFor drives with pulleys of equal numbers of teeth.Calculate Number Teeth in Belt Nc = 2. Ao + Z1
pFor drives with pulleys of dissimilar numbers of teeth.Calculate Number Teeth in BeltNc = 2.Ao + (Z1+ Z2) + 2.533p (Z2 - Z1)
Where Ao = Approximate Centre Distance mmp = Belt Pitch mmZ1 = Number Teeth Small PulleyZ2 = Number Teeth Large Pulley
Note: Nc must always be greater than 0.9 (Z1 + Z2)Refer to standard Belt Tables (pages 12/13 Metric Drives,page 28-29 Classical) and select nearest belt length to numbers ofteeth calculated.
b. Determine Actual Shaft CentresThe actual centre distance A can then be determined from thefollowing formula where NA is number of teeth in beltselected.
A =p/4 (NA - Z1 + Z2 + (NA - Z1 + Z2) -2.027 (Z2-Z1)
This will provide a reasonably accurate result but for fixed centredrives please contact Cross+Morse Engineering.
6. Factors to correct for Teeth in Mesh andBelt Length
a. Teeth in mesh factor f5
Applicable only on drives with pulleys less than 18 teeth ordrive ratio greater than 3: 1. For a belt to transmit full powera minimum of 6 teeth must be in mesh on each pulley. Thenumber of teeth in mesh can determined from thefollowing formula:
Number Teeth in Mesh (TIM)= Z1 [0.5 - (Z2 - Z1)p]18.85A
The Design Power Pd must be multiplied by factor f5 taken from table 2a.
b. Belt Length Correction factor - f6To allow for variation in rates of loading a belt length factor f6 isapplied to the Design Power Pd for final selection power Ps. Thefactors, provided in table 4, only apply to HTD drives, for Classical timing belt drives f6 = 1. Thus:-Selection Power Ps = Pd . f5 . f6
7. Belt Width SelectionHaving determined Selection Power Ps, and knowing the size ofsmall pulley and relative shaft speed use the Rating Tables onpages 7-9 to determine Rated Power Pr. which is where appropriate columns for pulley size and shaft speed intersect intable for selected belt size. If a column for the actual shaft speed isnot available use the next lower speed available, and if shaft speedis below 100r.p.m. use column for 100 r.p.m., but multiply powerread off by actual shaft speed divided by 100. A belt width factorWf can then be determined by dividing the Selection Power Ps bythe Rated Power Pr.
Wf = PsPr
From the table immediately above the relevant Power Rating Table select the belt width which has a width factor equal or greater thanthe value calculated for Wf.
8. Confirmation of DriveRefer to pulley tables 15-22 (HTD Drives) or 30-34(Classical Belts) to confirm that pulley sizes (numbers of teeth andwidth) are available, and capable of accommodating shaft sizes,and that at least one pulley is of flanged construction. If belt speedexceeds 30m/s ensure no cast iron pulleys used; also pulleysshould be balanced.Ensure that calculated centre A can be accommodatedwith adjustment to correctly tension belt on assembly, and toenable belt to be fitted over pulley flanges if applicable, referto page 10.
3
Timing Belt Drive Selection
In order to select a Timing Belt Drive it is first necessary tocompile together all the relevant design parameters, to include:-
a. Type of driver, shaft speed, and power to be transmitted.b. Type of driven machinery, shaft speed or drive ratio.c. Approximate shaft centre distance required.d. Number of hours daily, drive will be used, and any special
operating conditions (temperature, abrasive dust, etc.).e. Shaft diameters and any space restrictions affecting pulley
diameters or widths.
With this information a suitable drive can be selected by theselection procedure in conjunction with the following guidelines:
a. Power transmission capabilities are always related to thesmallest pulley in the system, regardless of whether it is thedriving or driven pulley.
b. Where there is a choice of pulley combination for a givendrive consideration should be given to the following:-1. Larger pulleys reduce amount of belt flexing and therefore
improve belt life.2. Larger pulleys often enable use of narrower belts.3. Large pulleys can be more expensive.
c. There must be at least one flanged pulley in the drive, andwhere centre distance is more than 8 times the diameter ofthe smaller pulley, both pulleys should be flanged.
d. If shaft centre adjustment is inadequate to correctly tensionthe belt, an idler pulley will be required. It is preferred to runidlers on the back of the belt, when a ground back belt shouldbe used.
e. Cast Iron pulleys must not be used on drives where beltspeeds exceed 30 metres per second.
Selection Procedure1. Drive RatioWhere not known this can be obtained by dividing the speed of the faster shaft by the speed of the slower shaft. Note if the driven shaft is faster this is a Speed Increasing Drive.
2. Calculate the Design PowerThe design Power Pd is determined by multiplying thetransmitted motor power P by the application factors f1, f2, f3 and f4 as applicable.
Pd = P(f1 + f3 - f4) f2
Application Factor f1 - Service Factor- relates the type of driver anddriven equipment to the daily useage, refer Table 1.
Application Factor f2 - Speed Increasing Drives - refer Table 2 for factorrelevant to respective speed increase ratio.
Application Factor f3 - If an idler is used add 0.2.
Application Factor f4 - If machinery only used intermittently orseasonally deduct 0.2 from service factor.
3. Select Belt PitchApplying the calculated Design Power and the speed of thesmallest pulley to the graphs on pages 5-6 to select suitable beltpitch for the application. Using this pitch of belt should provide a well proportioned drive, but where space limitations apply, another pitch of belt may be required. Both Metric (HTD) and ClassicalBelt Drives are available for selection. Generally HTD Belts provide a more compact, quieter drive, and are preferred for newapplications, however classical belts offer a wider selection of driveratios with std. pulleys, and for one-off drives often a lower cost.
4. Pulley SelectionRefer to Standard Drive Ratios - Table 3 and select a suitablecombination of pulleys to provide the correct drive ratio. Foreconomic and availability reasons it is preferable to use pulleys ofmaximum 80 teeth, and to minimise belt fatigue a minimum of 20Teeth (28 Teeth 14M drives).From the appropriate pulley dimension tables confirm that pulleysizes selected are available and will accommodate shaft diametersand not exceed space limitations.
5. Determine Belt Length and Centre DistanceHaving selected belt size (pitch), numbers of teeth in pulleys, andknowing approximate shaft centres one can select belt length andcalculate actual centre distance.
p 2 100Ao
2 2
101022
2
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0.90
261- 400551- 800
901- 12702051- 2500
_
_
_
____
_
_
_
The machines listed below are representative examples only. Select the classwhose load characteristics most closely approximate those of the machine being used. For drives with heavy pulsating or high shock loads, consultCross+Morse.
Timing Belt Drives Selection
Table 1 - Service Factors - f1
4
DRIVEN MACHINE (LOAD)
Table 2 - Speed Increase Factor - f2 Table 2a - Teeth in mesh Factor - f5
Table 4 - Belt Length Factor - f6 - HTD Drives
DRIVEN MACHINE (LOAD) TYPES OF DRIVER
Electric Motor AC - Star Delta startDC - Shunt Wound
Internal Combustion Engines and other prime moves fitted with Centrifugal Clutches. Dry or Fluid Couplings orElectronic Soft Start Start Devices.
Smooth
MediumShock
HighShock
HeavyShock
LightShock
LoadType Typical Machinery
‘SOFT STARTS’ ‘HEAVY STARTS’
Electric Motor AC - Direct-on-Line startDC - Series and Compound Wound
Hydraulic MotorsInternal Combustion Engines with Mechanical DrivePrime movers not fitted with soft start devices
Operating Hours per DayOperating Hours per Day
under 10 10-16 Over 16 under 10 10-16 Over 16
Business Equipment. Light Domestic Machinery,Tachometers, Camera and Radar Equipment
Liquid Agitators, Centrifugal Pumps andCompressors, Uniformly Loaded Belt Conveyors,Fans up to 71/2 kW, Calenders. Rotary Screens,Dryers, Exhausters, Woodworking Machinery.
Mixers, Belt Conveyors. Fans over 71/2 kW,Generators, Vibrating Screens, Augers,Granulators, Laundry and Printing Machinery,Machine Tools.
Bucket, Pan and Screw Conveyors,Reciprocating Pumps and Compressors,Exciters, Paper and Textile Machinery.
Mills, Crushers, Hoists, Dredge Pumps,Brickwork and Rubber Machinery, Oil FieldEquipment.
1.0
1.3
1.5
1.7
1.9
1.2
1.4
1.7
1.9
2.0
1.4
1.6
1.9
2.0
2.1
1.2
1.6
1.9
2.0
2.2
1.6
1.8
2.0
2.2
2.3
1.8
2.0
2.2
2.3
2.4
Speed IncreaseDrive Ratio
Factor f2
1.00to
1.24
1.00
1.25to
1.74
1.06
1.25to
1.74
1.06
1.75to
2.49
1.12
2.50to
3.49
1.18
3.50and
above
1.25
TIM 6+ 5 - 6 4 - 5 3 - 4 below 3
f5 1.00 1.25 1.65 2.5 5.0
Table 3 - Drive Ratios with Standard Pulleys
10 12 13* 14 15 16 17* 18 19 20 21 22 24 26 28 30 32 34 36 38
Number Teeth on Small Driver Pulley
1213*1415
1617*181920
2122242628
3032343638
4044485660
6472808490
96112 144168192
N0. T
eeth
on
Larg
e -
Driv
en P
ulle
y
1.201.301.401.50
1.601.701.801.902.00
2.102.202.402.602.80
3.003.20
3.60
4.004.404.80
6.00
7.20
8.40
9.60____
_
_
_
_
_
_ _
_
1.001.081.171.25
1.331.421.501.581.67
1.751.832.002.172.33
2.502.67
3.00
3.333.674.00
5.00
6.00
7.00
8.00
_
____
_
_
_
_
_
1.001.081.15
1.231.311.381.461.54
1.611.691.852.002.15
2.312.46
2.77
3.083.383.69
4.61
5.54
6.46_
____
_
_
_
_
_
_
1.001.07
1.141.211.291.361.43
1.501.571.712.862.00
2.142.29
2.57
2.863.143.43
4.29
5.14
6.00
6.86
_
____
_
_
_
_
_
1.001.061.131.191.25
1.311.381.501.631.75
1.882.00
2.25
2.502.753.00
3.75
4.50
5.25
6.00
_
____
_
_
_
_
_
1.00
1.071.131.201.271.33
1.401.471.601.731.87
2.002.13
2.40
2.672.933.20
4.00
4.80
5.60
6.40
_
____
_
_
_
_
_
1.001.061.121.18
1.231.291.411.531.65
1.761.88
2.12
2.352.592.82
3.53
4.24
4.94_
____
_
_
_
_
_
_
1.001.061.11
1.171.221.331.441.56
1.671.77
2.00
2.222.442.67
3.33
4.00
4.67
5.33
_
____
_
_
_
*13 & 17 Tooth Pulleys available‘L’ Series Pulleys only
40
1.00
1.051.101.201.301.40
1.501.60
1.80
2.002.202.40
3.00
3.60
4.20
4.80
1.001.051.141.241.33
1.431.52
1.71
1.902.102.29
2.86
3.43
4.00
4.57
_
_
_
____
_
_
_
_
_
_
____
_
_
_
1.001.05
1.101.161.261.371.48
1.581.68
1.89
2.112.322.53
3.16
3.79
4.42
5.05
1.001.091.181.27
1.361.451.551.641.73
1.822.002.182.552.73
2.913.273.643.824.09
4.365.096.557.648.73
1.001.081.16
1.251.331.421.501.58
1.671.832.002.332.50
2.673.003.333.503.75
4.004.676.007.008.00
1.001.08
1.151.231.311.381.46
1.541.691.852.152.31
2.462.773.083.233.46
3.694.315.546.467.38
1.00
1.071.141.211.291.36
1.431.571.712.002.14
2.292.572.863.003.21
3.434.005.146.006.86
1.001.071.131.201.27
1.331.471.601.872.00
2.132.402.672.803.00
3.203.734.805.606.40
1.001.061.121.19
1.251.371.501.751.87
2.002.252.502.622.81
3.003.504.505.256.00
1.001.061.12
1.181.291.411.65
1.882.122.35
2.65
3.294.234.945.65
1.001.06
1.111.221.331.561.67
1.782.002.222.332.50
2.673.114.004.675.33
_
_
_
1.00
1.051.161.261.471.58
1.681.892.11
2.37
2.953.794.425.05
_
_
1.001.101.201.401.50
1.601.802.002.102.25
2.402.803.604.204.80
3M5M8M
14M
Factor f6 1.25
up to 190up to 440up to 630up to 1350
191- 260441- 550631- 900
1351- 1770
1.11 1.0 0.95
2501-3400
401- 600801- 1100
1271- 17903401+
0.85
601+1101+1791+
1.05
1771-2050
Belt Length mmBelt Size Pitch
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5
Shaft Speed Smaller Pulley - R.P.M.
0.1
30
40
50
70
7,00
0
Des
ign
Pow
er k
WBelt Selection Graph forClassical Series Belts
10 20 30 40 50
100
200
400
500
700
1,00
0
2,00
0
3,00
0
4,00
0
10,0
0070
12,0
00
5,00
0
300
XL
L
H
0.3
0.4
0.5
0.7
1.0
2
3
4
5
0.2
7
20
10
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Shaft Speed Smaller Pulley - R.P.M. 6
10,0
0010 20
700
500
400
300
200
100
70
50
40
30
20
10
7
5
4
3
2
1.0
0.7
0.5
0.4
0.3
0.2
0.1
30 40 50 70 100
200
300
400
500
700
1,00
0
2,00
0
3,00
0
4,00
0
5,00
0
7,00
0
Des
ign
Pow
er k
W
3M
14P
14H
14M
8P
8H
8M
5M
Belt Selection Graph forMetric Series Belts
15,0
00
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100200300400500600800
10001200150018002000240028003000350040004500
20Belt Width mm 8M Belt
1.00
30
1.58
50
2.74
RPM
of S
mal
l Pul
ley
100200300500600800
100012001500180020002400280032004000500060008000
100001200014000
Number of Teeth on Small Pulley
12 14 15 16 18 20 21 22 24 26 28 30 32 36 40 44 48 60
.023
.039
.053
.078
.090
.111
.132
.151
.178
.204
.221
.253
.285
.314
.370
.435
.495
.603
.695
.027
.046
.062
.091
.105
.130
.154
.176
.208
.239
.258
.296
.332
.366
.432
.508
.578
.704
.811
.899
.966
.029
.049
.066
.098
.113
.141
.167
.192
.226
.260
.280
.321
.360
.398
.470
.555
.627
.762
.873
.9651.026
.032
.054
.073
.107
.123
.153
.180
.207
.244
.280
.303
.347
.389
.429
.505
.594
.675
.818
.9351.0261.087
.037
.062
.084
.124
.142
.176
.208
.238
.281
.322
.349
.399
.448
.494
.581
.681
.773
.9311.0561.1441.193
.042
.071
.096
.140
.161
.200
.236
.270
.319
.366
.396
.453
.507
.559
.657
.769
.8711.0431.1711.2521.280
.045
.075
.100
.148
.170
.212
.250
.286
.338
.383
.419
.480
.538
.592
.696
.813
.9201.0961.2231.2951.306
.047
.079
.107
.157
.180
.224
.264
.302
.358
.410
.443
.508
.568
.626
.735
.858
.9691.1501.2761.3391.333
.052
.088
.119
.175
.200
.248
.293
.336
.397
.455
.492
.563
.630
.694
.813
.9481.0681.2591.3821.4271.386
.057
.097
.131
.192
.220
.273
.323
.370
.437
.501
.541
.619
.692
.762
.8921.0381.1651.3601.4701.4821.390
.063
.106
.143
.210
.241
.299
.353
.404
.477
.547
.591
.675
.755
.831
.9721.1281.2621.4621.5591.5381.382
.068
.115
.155
.228
.262
.325
.383
.439
.518
.594
.641
.733
.819
.9011.0521.2161.3551.5521.6201.5541.330
.074
.124
.168
.247
.283
.351
.414
.474
.560
.641
.692
.791
.884
.9711.1321.3071.4521.6461.6931.5701.248
.085
.143
.194
.284
.325
.404
.477
.546
.644
.737
.796
.9091.0141.1131.2931.4841.6351.8061.7761.507
.096
.162
.220
.322
.369
.458
.541
.619
.713
.835
.9021.0281.1461.2561.4531.6571.8091.9391.800
.108
.182
.246
.361
.414
.513
.606
.694
.818
.9351.0091.1491.2791.4001.6131.8251.9712.0401.756
.120
.202
.273
.401
.459
.570
.673
.770
.9071.0361.1171.2711.4131.5431.7701.8862.1202.1051.637
.156
.264
.357
.524
.599
.742
.8771.0031.1801.3441.4471.6401.8141.9702.2222.4162.4602.040
.195
.328
.445
.652
.747
.9251.0901.2461.4631.6631.7872.0162.2162.3872.6382.7602.635
7
Power Rating Tables - Standard Metric Timing Belts
Belt Width mm 3M Belt 6 9 15
0.60 1.00 1.89Power Ratings (kW) for 9mm wide 3M Belt
Power Ratings (kW) for 9mm wide 5M Belt
Power Ratings (kW) for 20mm wide 8M Belt
Belt Width mm 14M Belt
Width Factor
55 8540 115 170
1.44 2.32 3.21 4.821.00Power Ratings (kW) for 40mm wide 14M Belt
Width Factor
Belt Width mm 5M Belt 9 15 25
1.00 1.93 3.48Width Factor
72
Number of Teeth on Small Pulley
22
RPM
of S
mal
l Pul
ley
24 26 28 30 32 34 36 38 40 44 48 56 64 72 80
.35
.59
.80
.991.171.351.671.972.262.673.053.303.774.214.424.93
.39
.66
.891.101.301.491.852.192.512.963.393.664.184.664.905.45
.47
.791.071.331.571.802.232.633.013.564.074.395.005.585.856.49
.51
.861.161.441.701.952.422.863.273.864.414.765.426.046.337.027.64
.55
.931.261.561.842.112.623.093.544.174.765.145.856.516.827.548.198.75
Width Factor
85
4.77
.43
.72
.981.211.431.642.042.412.763.263.724.024.595.125.375.97
.591.001.351.671.982.272.813.323.804.485.115.526.276.977.308.068.739.31
.631.071.451.792.122.433.013.554.074.795.475.906.707.447.798.589.289.86
.681.141.541.912.262.593.213.794.345.115.836.287.137.918.279.109.81
10.40
.721.211.642.032.402.763.424.034.615.436.196.677.568.388.769.61
10.3310.92
.811.361.842.282.703.093.834.525.166.076.927.458.439.319.72
1.06211.3511.91
.901.512.042.532.993.434.255.015.726.737.658.239.30
10.2410.6711.6012.3212.82
1.081.812.463.053.604.125.106.016.878.059.149.81
11.0312.0712.5213.4614.08
1.272.132.883.574.224.835.987.048.039.40
10.6411.3912.7313.8314.2915.14
1.462.453.324.124.865.566.888.099.22
10.7612.1412.9714.3915.5015.93
1.652.783.774.675.516.317.799.16
10.4212.1313.6414.5216.0017.06
Number of Teeth on Small Pulley
28
RPM
of S
mal
l Pul
ley
29 30 32 34 36 38 40 44 48 52 56 60 64 68 72 80
2.424.085.526.858.099.27
10.3911.4713.5115.4218.0720.4821.9525.19
2.424.085.526.858.099.27
10.3911.4713.5115.4218.0720.4821.9525.19
2.534.255.767.148.449.67
10.8411.9614.0616.0718.8221.3122.8326.15
2.634.436.007.448.79
10.0711.2812.4514.6616.7219.5722.1423.7127.0929.6931.43
2.854.796.488.049.49
10.8712.1913.4515.8218.0321.0823.8125.4528.9631.5433.10
3.065.156.978.64
10.2111.6913.1014.4516.9919.3622.5925.4727.1930.7933.3134.63
3.285.517.479.26
10.9312.5114.0215.4618.1820.6924.1127.1328.9232.5834.9835.99
3.505.887.979.87
11.6613.3414.9516.4819.3722.0225.6328.7830.6334.3236.5637.19
3.726.258.47
10.5012.3914.1915.8917.5120.5623.3727.1630.4232.3236.0038.0338.19
4.177.019.50
11.7713.8915.8917.7919.6022.9826.0730.1833.6735.6439.19
4.637.78
10.5413.0615.4017.6219.7121.7125.4228.7833.2036.8638.8442.11
5.108.57
11.6014.3716.9419.3721.6723.8427.8831.5036.2039.9641.9244.70
5.579.36
12.6715.6918.5021.1523.6426.0030.3534.2239.1542.9644.8346.94
6.0510.1713.7617.0420.0822.9425.6328.1732.8236.9342.0545.8447.57
6.5410.9914.8718.4021.6824.7527.6430.3635.3139.6344.9048.6050.12
7.0311.8115.9819.7823.3026.5829.6632.5537.7942.3047.6751.2152.45
7.5312.6517.1121.1724.9228.4231.7034.7640.2744.9650.37
8.5414.3519.4123.9928.2232.1535.8039.1945.2050.1655.48
RPM
of S
mal
l Pul
ley
10
100200300500600800
100012001450175020002400280032004000500060008000
100001200014000
Number of Teeth on Small Pulley
12 14 15 16 18 20 21 22 24 26 28 30 32 36 40 44 48 60
.007
.013
.018
.026
.029
.038
.044
.051
.059
.069
.076
.087
.099
.109
.131
.156
.179
.222
.263
.302
.338
.008
.016
.021
.031
.036
.046
.054
.063
.073
.084
.092
.107
.121
.134
.159
.189
.217
.270
.318
.365
.406
.009
.018
.026
.038
.044
.054
.064
.074
.086
.099
.111
.127
.142
.159
.187
.222
.255
.317
.375
.426
.474
.009
.019
.028
.041
.048
.059
.068
.079
.092
.107
.119
.136
.154
.170
.202
.239
.275
.341
.401
.458
.507
.011
.021
.029
.044
.051
.064
.076
.086
.101
.116
.127
.147
.166
.184
.217
.257
.295
.366
.429
.489
.542
.013
.024
.034
.051
.058
.073
.086
.099
.114
.132
.147
.169
.189
.209
.249
.293
.335
.415
.486
.551
.607
.014
.028
.039
.058
.066
.083
.097
.112
.129
.149
.166
.190
.214
.235
.278
.328
.376
.463
.541
.610
.670
.014
.029
.041
.061
.069
.087
.102
.119
.136
.157
.174
.200
.225
.249
.293
.346
.396
.488
.567
.639
.700
.016
.031
.044
.064
.074
.092
.109
.126
.144
.167
.184
.212
.237
.262
.310
.365
.418
.512
.595
.668
.730
.018
.036
.049
.073
.083
.102
.121
.139
.161
.185
.204
.234
.262
.290
.341
.403
.459
.562
.652
.727
.790
.019
.039
.054
.079
.091
.109
.132
.152
.175
.204
.224
.257
.287
.318
.373
.439
.501
.610
.705
.781
.843
.021
.044
.059
.087
.099
.124
.146
.167
.192
.222
.245
.280
.313
.346
.406
.478
.542
.660
.758
.838
.898
.023
.048
.064
.094
.107
.134
.159
.182
.209
.240
.265
.303
.340
.375
.439
.516
.584
.708
.810
.888
.942
.026
.053
.071
.109
.117
.146
.172
.197
.227
.260
.287
.327
.366
.403
.473
.554
.627
.756
.861
.939
.989
.029
.061
.083
.119
.137
.169
.199
.227
.262
.300
.330
.376
.421
.463
.541
.630
.712
.849
.9541.0221.050
.034
.071
.096
.137
.157
.194
.227
.258
.297
.340
.375
.426
.476
.522
.610
.708
.798
.9441.0471.1051.112
.039
.081
.109
.156
.177
.219
.257
.292
.335
.381
.419
.478
.532
.584
.678
.786
.8811.0301.1231.1571.122
.046
.091
.122
.175
.199
.245
.287
.327
.373
.424
.466
.529
.589
.645
.748
.864
.9641.1171.2011.2101.133
.058
.116
.154
.222
.252
.308
.361
.411
.469
.534
.587
.665
.738
.806
.9311.0621.1701.3031.3141.186
100200300400500600700800
10001200150018002000250030003500
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
1
07
9 E
ma
il s
ale
s@
cr
os
sm
or
se
.c
om
CD Contents Catalogue Selection INDEX
8
Power Rating Tables - High Power& Panther Timing Belts
Belt Width mm 8H Belt
Number of Teeth on Small Pulley
22
RPM
of S
mal
l Pul
ley
24 26 28 30 32 34 36 38 40 44 48 56 64 72 80
Width Factor
20 30 50 85
1.00 1.58 2.74 4.77Power Ratings (kW) for 20mm wide Higher Power Plus 8H Belt
10205070
100200300500700
10001200150018002000250030003500400045005000
0.070.130.340.470.621.051.422.092.683.514.024.755.445.886.947.938.879.76
10.6111.42
0.070.150.370.520.691.161.572.302.963.874.435.235.996.487.648.739.76
10.7311.6512.53
0.080.160.400.560.751.271.722.523.244.234.845.726.557.088.359.53
10.6511.7012.6913.63
0.090.170.430.600.821.371.862.733.524.595.266.217.117.699.06
10.3411.5412.6713.7314.72
0.090.180.460.640.881.492.012.953.804.965.686.717.688.309.78
11.1512.4413.6414.7615.81
0.100.200.490.690.951.602.163.174.085.336.117.218.258.92
10.4911.9613.3314.6015.7916.88
0.100.210.520.731.021.712.323.404.375.716.547.718.839.54
11.2212.7714.2215.5716.8117.94
0.110.220.550.771.081.822.473.624.666.086.978.229.40
10.1611.9413.5915.1116.5217.8118.99
0.120.230.580.821.151.942.623.854.956.467.408.739.98
10.7812.6714.4016.0017.4718.8120.02
0.120.250.610.861.222.052.784.075.246.847.839.24
10.5611.4113.3915.2216.8918.4219.8021.02
0.130.270.670.941.352.283.094.535.837.618.71
10.2711.7412.6714.8516.8418.6520.2821.7322.98
0.150.290.741.031.472.513.415.006.438.389.59
11.3112.9113.9316.3118.4620.3922.1023.59
0.170.340.861.201.722.994.055.947.639.95
11.3813.4015.2916.4719.2221.6523.7825.60
0.200.390.981.371.963.474.706.898.86
11.5413.2015.5217.6719.0222.1024.7727.03
0.220.441.101.552.213.965.367.86
10.1013.1515.0317.6520.0621.5624.9427.79
0.250.491.231.722.454.456.048.84
11.3614.7816.8719.7922.4524.0927.73
Belt Width mm 14H Belt
Number of Teeth on Small Pulley
28
RPM
of S
mal
l Pul
ley
29 30 32 34 36 38 40 44 48 52 56 60 64 68 72 80
Width Factor
55 8540 115 170
1.44 2.32 3.21 4.821.00Power Ratings (kW) for 40mm wide Higher Power Plus 14H Belt
10205070
100200300500700
100012001500180020002500300035004000
0.390.781.962.743.926.879.31
13.6517.5422.8626.1530.7635.0537.7443.9349.3654.0057.84
0.410.812.032.844.067.169.70
14.2218.2823.8227.2432.0436.4939.3845.6751.2455.9659.79
0.420.842.102.944.207.45
10.1014.8019.0324.7928.3433.3237.9340.8247.4153.1157.8961.71
0.450.902.243.144.488.04
10.9015.9720.5226.7330.5535.8940.8243.9050.8756.8161.6865.41
0.480.952.383.334.768.64
11.7117.1522.0428.6932.7838.4843.7346.9954.3260.4665.36
0.501.012.523.535.049.24
12.5218.3523.5730.6735.0241.0946.6450.0857.7464.0468.91
0.531.062.663.725.329.85
13.3519.5525.1132.6637.2943.7149.5653.1761.1367.56
0.561.122.803.925.60
10.4614.1820.7726.6734.6739.5646.3452.4956.2564.5070.99
0.621.233.084.316.16
11.7115.8623.2329.8238.7344.1551.6258.3362.4071.10
0.671.343.364.706.72
12.9717.5825.7333.0242.8348.7856.9264.1668.4977.50
0.731.463.645.107.28
14.2619.3128.2736.2546.9853.4562.2369.9574.50
0.781.573.925.497.84
15.5621.0830.8439.5351.1658.1467.5475.6980.40
0.841.684.205.888.40
16.7922.8633.4442.8455.3762.8572.8381.3586.19
0.901.794.486.278.96
17.9124.6736.0746.1859.6067.5678.1086.9391.82
0.951.904.766.669.5219.0326.4938.7249.5463.8672.2983.3392.40
1.012.025.047.06
10.0820.1428.3341.4052.9468.1377.0188.51
1.122.245.607.84
11.2022.3832.0746.8259.7976.6986.4198.69
Belt Width mm 8P Belt
Number of Teeth on Small Pulley
22
RPM
of S
mal
l Pul
ley
24 26 28 30 32 34 36 38 40 44 48 56 64 72 80
Width Factor
20 30 50 85
1.00 1.50 2.50 4.25Power Ratings (kW) for 20mm wide RPP Gold 8P Belt
10205070
100200300500700
10001200150018002000250030003500400045005000
0.080.150.340.460.631.141.632.543.404.535.226.207.137.749.18
10.5511.8513.1014.2915.43
0.090.170.380.500.691.251.782.783.734.985.736.817.838.49
10.0711.5713.0014.3515.6516.89
0.100.180.410.550.751.361.943.024.055.436.257.428.549.26
10.9712.6014.1415.6117.0018.33
0.110.200.440.590.811.472.093.274.385.886.778.049.24
10.0211.8813.6315.2916.8618.3519.76
0.120.210.470.630.871.582.253.514.706.337.298.659.95
10.7912.7814.6616.4318.1119.6921.18
0.120.230.510.680.931.692.413.765.036.797.819.28
10.6711.5613.6915.6917.5719.3521.0222.59
0.130.240.540.720.991.802.574.005.367.248.349.90
11.3812.3314.6016.7218.7220.5922.3423.97
0.140.260.570.771.051.912.724.255.697.708.87
10.5212.1013.1115.5117.7519.8521.8223.6525.34
0.150.270.610.811.112.032.884.496.028.179.40
11.1512.8213.8816.4218.7820.9923.0424.9426.69
0.160.290.640.861.172.143.044.746.358.639.93
11.7813.5414.6617.3319.8122.1124.2526.2228.01
0.170.320.710.951.292.363.365.247.019.56
11.0013.0514.9916.2219.1521.8624.3526.6428.7230.59
0.190.350.771.041.412.593.685.737.68
10.5012.0814.3216.4417.7920.9723.8926.5628.9831.15
0.220.410.911.221.663.044.326.749.02
12.3914.2416.8719.3420.9124.5827.9030.8733.48
0.260.471.051.401.913.494.977.74
10.3614.3016.4319.4422.2624.0328.1531.8135.00
0.290.531.181.582.163.955.628.75
11.7116.2218.6222.0125.1627.1431.6735.59
0.330.591.321.772.414.416.279.77
13.0718.1520.8224.5828.0530.2135.10
Belt Width mm 14P Belt
Number of Teeth on Small Pulley
28
RPM
of S
mal
l Pul
ley
29 30 32 34 36 38 40 44 48 52 56 60 64 68 72 80
Width Factor
55 8540 115 170
1.37 2.12 2.87 4.251.00Power Ratings (kW) for 40mm wide RPP Gold 14P Belt
10205070
100200300500700
100012001500180020002500300035004000
0.671.232.783.745.139.47
13.5521.2928.6538.5844.7853.6762.1667.6180.5892.62
103.75113.94
0.691.282.883.885.329.83
14.0722.1029.7440.1146.5555.7964.5970.2583.6696.09
107.53117.96
0.721.332.994.025.52
10.1914.5822.9130.8341.6548.3357.9167.0372.8886.7599.55
111.29121.93
0.771.423.204.315.91
10.9115.6224.5433.0244.7351.9062.1671.9178.1692.91
106.44118.74129.75
0.821.523.414.606.30
11.6416.6626.1735.2147.8455.4966.4376.8183.4499.05
113.27126.07
0.871.613.634.896.70
12.3717.7127.8137.4150.9659.0970.7081.7288.73
105.17120.04133.28
0.921.713.845.187.10
13.1018.7629.4539.6254.1062.7275.0186.6394.02
111.26126.73
0.981.804.065.477.50
13.8419.8131.1041.8357.2566.3579.3291.5599.30
117.32133.34
1.082.004.496.058.30
15.3221.9234.4246.2763.6073.6687.96
101.37109.84129.31
1.192.194.936.649.10
16.8024.0537.7550.7469.9981.0196.62
111.18120.31141.08
1.292.395.377.239.91
18.3026.1941.0955.2176.4288.40
105.29120.95130.70
1.402.585.817.82
10.7219.8028.3344.4559.7182.8895.80
113.95130.65140.98
1.502.786.258.42
11.5421.3130.4947.8264.2189.36
103.22122.58140.28151.13
1.612.986.709.02
12.3622.8232.6551.2068.7295.87
110.64131.19149.81161.13
1.723.177.149.62
13.1924.3434.8354.6073.24
102.39118.07139.75159.23
1.833.377.59
10.2214.0225.8737.0158.0077.77
108.93125.48148.26
2.043.778.49
11.4415.6828.9441.3964.8286.83
122.02140.28165.08
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
1
07
9 E
ma
il s
ale
s@
cr
os
sm
or
se
.c
om
CD Contents Catalogue Selection INDEX
RPM
of S
mal
l Pul
ley
9
Belt Width Reference
Belt Width Factor
050 075 100
0.42 0.71 1.00
Power Rating Tables -Classical Timing BeltsPower Ratings (kW) for 3/8” wide XL Series Belts (1/5” Pitch)
Number of Teeth Small Pulley
10 11 12 14 15 16 18 20 21 22 24 26 28 30 32 36 40100200300400500600800
1000120014001500160017502000240028003000320035004000450050006000700080009000
10000
.004
.008
.012
.016
.020
.025
.034
.042
.050
.059
.062
.070
.076
.087
.004
.009
.014
.018
.023
.027
.036
.046
.055
.064
.070
.076
.081
.095
.112
.132
.140
.151
.165
.005
.010
.015
.020
.025
.030
.040
.050
.060
.071
.075
.084
.090
.102
.123
.144
.155
.165
.180
.205
.231
.257
.006
.011
.017
.023
.029
.035
.048
.060
.071
.084
.090
.096
.104
.119
.142
.167
.180
.190
.210
.240
.269
.297
.006
.012
.019
.025
.031
.037
.050
.065
.077
.090
.096
.102
.112
.130
.155
.180
.192
.200
.225
.288
.310
.380
.441
.007
.013
.020
.027
.033
.040
.054
.069
.081
.096
.102
.111
.120
.136
.165
.192
.205
.220
.239
.272
.306
.340
.405
.468
.007
.015
.022
.029
.037
.046
.063
.077
.091
.109
.115
.123
.134
.155
.184
.215
.230
.247
.268
.305
.343
.380
.451
.522
.589
.654
.713
.008
.016
.025
.033
.042
.050
.069
.086
.102
.119
.127
.136
.151
.171
.205
.240
.257
.272
.299
.340
.380
.420
.500
.575
.648
.713
.775
.009
.018
.026
.035
.044
.054
.071
.090
.108
.125
.134
.144
.157
.180
.215
.251
.267
.286
.312
.357
.400
.441
.522
.600
.675
.742
.802
.009
.019
.028
.037
.046
.056
.075
.094
.113
.132
.140
.150
.165
.188
.224
.263
.280
.299
.326
.372
.416
.460
.545
.625
.698
.769
.827
.010
.020
.030
.040
.050
.060
.084
.102
.123
.144
.155
.165
.179
.205
.247
.286
.305
.326
.355
.405
.453
.500
.589
.675
.750
.819
.880
.011
.022
.033
.044
.055
.066
.088
.110
.132
.155
.167
.177
.194
.222
.266
.309
.331
.352
.384
.436
.487
.537
.632
.719
.795
.863
.919
.012
.024
.036
.048
.060
.071
.096
.119
.142
.167
.180
.190
.210
.240
.286
.332
.357
.378
.413
.468
.522
.575
.675
.763
.840
.907
.959
.012
.025
.038
.050
.063
.077
.102
.130
.155
.180
.192
.205
.224
.257
.305
.357
.380
.405
.441
.500
.555
.610
.713
.802
.880
.942
.986
.013
.027
.040
.054
.069
.081
.111
.136
.165
.192
.205
.220
.239
.272
.326
.378
.405
.430
.468
.529
.589
.648
.750
.825
.915
.9781.030
.015
.029
.046
.063
.077
.091
.123
.155
.184
.215
.230
.247
.268
.305
.365
.423
.451
.479
.522
.589
.654
.713
.819
.898
.9781.035
.016
.033
.050
.069
.086
.102
.136
.171
.205
.240
.257
.272
.299
.340
.405
.468
.500
.529
.575
.648
.713
.775
.880
.9591.030
Belt Width Reference
Belt Width Factor
075 100 150 200 300
0.71 1.00 1.56 2.14 3.36
RPM
of S
mal
l Pul
ley
Power Ratings (kW) for 1” wide L Series Belts (3/8” Pitch)Number of Teeth Small Pulley
12 13 14 15 16 17 18 19 20 21 22 24 26 28 30 32 36 40100200300400500600700800
10001200140015001750200022002500280030003200350040004500500055006000
0.040.100.140.190.230.280.330.370.460.560.650.700.810.931.011.161.291.38
0.050.100.150.200.250.310.350.400.510.600.710.760.871.011.101.251.401.491.591.73
0.050.110.160.220.280.330.380.430.540.660.760.810.951.081.191.341.501.601.701.862.11
0.060.120.170.230.290.350.410.460.580.700.810.871.011.161.271.431.601.711.821.982.242.502.742.973.20
0.060.130.190.250.310.370.430.500.620.750.870.931.081.231.351.531.711.821.942.112.392.652.923.153.39
0.070.130.200.260.330.400.460.530.660.790.920.981.151.311.431.621.811.932.042.232.512.803.063.313.54
0.070.140.210.280.350.420.490.560.700.840.971.041.211.381.511.721.912.042.162.352.662.943.223.473.71
0.070.150.220.300.370.440.510.590.740.881.031.101.281.451.601.812.012.142.272.472.783.073.363.613.84
0.070.160.230.310.390.470.540.620.780.931.081.161.341.531.681.892.102.252.382.582.903.213.493.753.98
0.080.160.250.330.410.490.570.620.810.971.131.211.411.601.751.982.212.352.492.703.033.343.633.884.12
0.090.170.250.340.430.510.600.690.851.011.191.271.481.681.842.072.312.452.602.813.163.473.764.014.24
0.100.190.280.370.470.560.650.750.931.111.291.381.601.821.992.252.492.652.803.033.393.713.994.234.42
0.100.200.310.400.510.600.710.811.001.201.401.491.731.962.152.422.682.843.013.253.603.924.204.434.59
0.110.220.330.430.540.650.760.871.081.291.501.601.862.102.302.592.863.033.203.443.804.124.374.574.68
0.120.230.350.460.580.700.810.931.161.381.601.721.982.252.452.753.033.213.393.633.984.294.524.674.74
0.130.250.370.500.620.750.870.981.231.471.711.822.112.372.602.913.203.393.563.804.164.444.634.724.72
0.140.280.420.560.700.840.971.111.381.651.912.042.352.662.883.213.513.713.884.124.434.664.73
0.160.310.470.620.780.931.081.231.531.822.102.252.592.903.163.503.803.994.164.384.634.75
RPM
of S
mal
l Pul
ley
Power Ratings (kW) for 1” wide H Series Belts (1/2” Pitch)Number of Teeth Small Pulley
14 16 18 19 20 21 22 24 26 28 30 32 36 40 44 48100200300400500600700800900
10001100120014001500160017502000220025002800300032003600400044004800500054006000
0.190.370.550.740.931.111.291.481.661.842.03
0.210.430.630.841.051.271.481.691.892.102.312.522.943.153.363.664.18
0.240.480.720.951.191.421.661.892.132.362.602.833.303.543.774.124.685.145.826.486.927.35
0.250.500.751.001.251.511.752.002.252.502.752.993.483.733.984.334.945.426.126.827.277.738.459.35
0.260.530.791.051.321.581.842.102.362.632.893.153.663.924.184.565.195.696.437.157.638.099.009.88
10.7111.5011.8812.6013.57
0.280.550.831.111.391.661.932.212.482.763.033.303.844.114.384.785.455.976.747.497.988.479.41
10.3111.1711.9712.3513.0814.04
0.290.580.871.161.451.742.032.312.602.893.183.464.024.304.595.015.696.247.047.838.348.849.82
10.7411.6212.4412.8213.5514.50
0.310.630.951.271.581.892.212.522.833.153.463.774.384.684.995.456.186.777.638.479.019.54
10.5611.5212.4113.2113.5914.2715.12
0.340.691.031.371.722.052.392.733.073.413.744.074.745.075.395.886.687.308.229.119.68
10.2411.3012.2813.1813.9814.3514.99
0.370.741.111.481.842.212.572.943.303.664.034.395.105.455.806.317.167.838.809.74
10.3310.9112.0013.0013.8914.6715.01
0.400.791.191.581.982.362.763.153.543.924.304.695.455.826.196.747.648.349.35
10.3210.9411.5312.6413.6314.49
0.430.841.271.692.102.522.943.363.774.184.594.995.806.196.587.168.118.849.90
10.9011.5312.1413.2414.20
0.480.951.421.892.362.833.303.774.234.695.155.596.486.927.367.999.039.82
10.9512.0012.6513.2614.34
0.531.051.582.102.633.153.664.184.695.195.696.197.167.648.118.809.90
10.7411.9212.9913.6314.2215.20
0.581.161.742.312.893.464.034.595.145.696.246.777.838.348.849.58
10.7411.6212.8213.8814.4915.02
0.631.271.892.523.153.774.394.995.596.196.777.368.479.029.55
10.3211.5312.4313.6314.6415.20
Note: Shaded area indicates pulley speeds which can be used with a reduction in belt service life.
CROSS+MORSE
Power Transmission Solutions
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CD Contents Catalogue Selection INDEX
Timing Belt Drives - Installation
10
Cross+Morse Timing Belt Drives will give excellent performance andlong life provided they are correctly installed. Pulleys must be rigidlymounted and correctly aligned, and belts installed with a snug fit nothighly tensioned. One pulley should be flanged in all drives, and bothpulleys flanged on drives with vertical shafts.
Pulley Manufacture and ReboreStandard Pulleys are manufactured to high levels of concentricity.When plain bore pulleys are re-machined it is essential thatconcentricity between bore and pulley O.D. is kept within thefollowing:-
Pulleys up to 200mm diameter - 0.10mm total run-out.
Pulleys over 200mm diameter - 0.05/100mm dia. total run-outto maximum 0.20mm.
Also the bore of the pulley must be perpendicular to side faces within0.5mm/100mm dia. total run-out to a max. of 0.5mm.In manufacture pulleys of 200mm and above diameter are staticallybalanced to levels indicated below.
This level of balancing is adequate for the majority of applications, butwhere belt speeds exceed 30 m/s pulleys will need to be furtherdynamically balanced to 1.8 x 10-3 Nm. Cast Iron pulleys must neverbe run over 30 m/s belt speed.
Installation and Alignment of PulleysClean all oil, grease and dirt from pulleys, ensuring grooves and boreare clean and free from burrs. Pulleys should be assembled onto shaftsand rigidly locked in place by taper bush or close fit bore and key onparallel bore pulleys. Alignment of shafts and pulleys is essential asmisalignment will result in unequal belt tension and edge wear. Tocheck alignment place a straight edge against the outside edges of thepulleys and position pulleys so that the straight edge touches the twooutside and two inside edges of the pulleys. Alignment of pulleysshould be confirmed after installation of belt.Check the rigidity of the supporting framework. Shafts must be wellsupported to prevent distortion with resultant changes in centredistance which will result in belt slackness causing jumping of teethunder high starting or shock load conditions.
Timing Belt InstallationTiming belts are susceptible to kinking, and should never be forced orprised on to pulleys. Reduction of centre distance or removal oftensioning idler are normal methods to enable belt fitting. For fixedcentre drives without idler the belt must be fitted to pulley prior tomounting on shafts or support bearings. To enable correct fitting wherecentres can be adjusted, the centres must be able to be reduced by thevalue in the table below under “allowance for installation” andincreased by the tensioning allowance, from the nominal centre distance.
Belt TensionTiming Belt Drives do not require as much tension as other beltdrives that depend on friction to transmit the load. The belt shouldbe installed with a snug fit, neither taut or loose. The correct level oftension can be determined by measuring the force necessary todeflect the belt an amount equal to 1/64th of its span centres ‘S’.Values for measuring forces recorded on a spring balance appliedmid-span of the belt should be as shown in the table below. Thevalue recorded for a drive should be within 10% of these values.These measurements give correct tension for most drives, but forhigh shock load applications consult Cross+Morse Engineering.
High Power Metric and Open Ended BeltsThe correct tensioning of RPP Plus and RPP Gold High Power beltsincludes consideration of transmitted power, operating speeds, andnumber of teeth in pulleys.Open ended belts are normally tensioned according to max. linearload to be transmitted, to minimise any backlash on reversing drives.Advice on correct tensioning of those belts can be supplied byCross+Morse technical dept, as well as assistance in belt selection.
Belt StorageTo ensure correct functioning of the belts and prevent prematurefailure, belts must be protected against sharp bending or creasing.They should be stored in a cool, dry, well ventilated room withintemperature range 15-20˚C. It is preferable to keep polyurethanebelts in a darkened environment.
Use of IdlersInside or outside idlers used for tensioning or power take off shouldbe on the slack side of the belt. Inside idlers must be grooved unlessthe number of grooves is more than 40, when flat idlers can be used.Flat faced idlers must not be crowned, and all idlers should be equalto, or greater than the smallest drive pulley. Idlers must be of fixedtype, and positioned so that the arc of contact is kept to a minimum.
Pulley Face Widthmm
Up to 60 200-300301-600
610
3M063M093M155M095M155M258M208M308M508M85
14M4014M5514M8514M11514M170
.17
.29
.54
.42
.811.461.933.055.309.205.608.00
13.0018.0027.00
6T2.56T510T516T525T516T1025T1032T1050T10XL037XL050L050L075L100H100H150H200H300
0.070.180.300.480.750.901.401.802.800.300.400.61.01.43.14.86.610.4
61-99
200-300301-600
601-1000over 1000
10152030
100 and over
200-300301-600
601-1000over 1000
20304060
Pulley Diametermm
Max. Unbalancegm
Belt Size F kg Belt Size F kg
Belt SizeOne Pulley Flanged Both Pulleys Flanged
TensioningAllowance
Allowance for Installation
3M5M8M14MXLLHXH
T2.5AT5 &T5
AT10 & T10
12.419.626.543.315.919.122.045.015.317.021.5
20.832.242.366.927.431.736.269.027.930.035.0
2.02.53.04.00.61.01.52.00.50.81.0
d = s/64mm
Values for Measuring Force
Std. Metric BeltsClassical and
Polyurethane Belts
CROSS+MORSE
Power Transmission Solutions
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CD Contents Catalogue Selection INDEX
11
Metric Series Timing Belts
High Power Metric Belts (p 13)New RPP Plus Belts provide increased torque and powercapacity. Available 8mm (8H) and 14mm (14H) pitches, theyoperate on standard metric pulleys to transmit up to 470kW.Body of the belt is manufactured from reinforced polychloro-prenic compound with exceptional resistance to flex fatigue,ozone, heat, and mineral oils. The teeth are faced withgraphite impregnated nylon for high strength and low fric-tion. A high module resistant fibre cord gives high breakingstrength with reduced elasticity.
As with classical series belts, power is transmitted by a glassfibre tension member spirally wound across the width of thebelt. The glass fibre cord ensures length stability combinedwith high strength and resistance to failure under repeatedflexing. The tension member is bonded into a synthetic rub-ber body moulded integral with the drive teeth. The rubbercompound selected has complete absence of age deformationand high resistance to mineral lubricating oils, heat, ozoneand flex fatigue. A tough nylon fabric is bonded to the driveface of the belt, which by a patented treatment is self lubricat-ing, for low coefficient of friction with exceptional resistanceto abrasion and shear, for high drive efficiency with long beltand pulley life.
Standard Metric Belts (pp 12)The Megadyne RPP series of belts provide the ideal solutionfor most drives. Totally interchangeable with other deep pro-file belts, they are available in 4 pitch sizes; 3mm (3M), 5mm(5M); 8mm (8M), and 14mm (14M). Standard drives are suit-able for applications from fractional kW up to 250kW powerrating.In order to transmit higher powers tooth contact between beltand pulley has to be increased. To achieve this a parabolictooth form with contact angle increasing from tooth base totip was adopted, enabling a deeper tooth form than classicalbelts. The improved level of meshing, combined withsmoother engagement of drive, increased resistance to toothshear and tooth jumping enabled higher torque transmissionwith reduced installation tension. Megadyne belts have anindentation at the top of the tooth to further improve meshingbetween belt and pulley by deformation of the tooth tip allow-ing precise moulding of tooth to pulley contours, reducingfrictional wear. The indentation also allows air to escape, fur-ther reducing noise levels.
Standard High Torque Metric Timing Belt DrivesTo provide optimum performance with a standard range ofMetric High Torque Drive Pulleys, Cross+Morse selected theMegadyne deep profile. RPP series belts.The RPP belts are, combined with a standard range of pulleyto provide “off the shelf” drives in 4 pitches; 3mm (3M) 5mm(5M), 8mm (8M), and 14mm (14M), able to transmit up to700kW, or drive shafts to 15,000 r.p.m.
The pulleys are available with 3 methods of shaft connection;Pilot bored, pp 15-18, for finishing with sized bore, keywayand setscrews can, optionally be supplied finished; taperbored for fitting standard taper bushes pp 21-22; and for opti-mum connection the Avante system, pp 19-20, for connectionwith shaft clamping elements.
For even higher powered drives, up to 700kW, the RPP Goldseries belts, were developed in 8mm (8P) and 14mm (14P)pitches. These use Aramid reinforced polychloroprene for thebody of the belt with double layer graphite impregnatednylon facing for the teeth. The tension cables are in Kevlar formaximum strength with flexibility. The belts provide all theadvantages of RPP Plus with additional load capacity, excel-lent anti-static properties, and ability to use idlers on the backof the belt.
Anti Static BeltsBelts conforming to BS2050 standards can be supplied for the8M and 14M belt sizes. These belts are for application within chemical plants, oil refineries, and in mines.
The RPP Plus & RPP Gold high power belts have anti-staticproperties as standard.
Anti Static BeltsBelts conforming to BS2050 standards can be supplied for the8M and 14M belt sizes. These belts are for application within chemical plants, oil refineries, and in mines.
Double sided Belts (p14)To enable power to be taken from both sides of the belt totransfer direction of drive. Available in 5M and 14M toothform to operate on standard Metric pulleys.
These belts have moulded teeth on both sides with nylonjacket, to enable full torque transmission. Ideal for Serpentinedrives, and multi shaft arrangements.
‘TIL’ Long length BeltsSpecial manufacturing method enables extra long length end-less belts to be manufactured.
Ideal for long centre distance drives where full torque trans-mission is required.
‘TIL’ Long length BeltsSpecial manufacturing method enables extra long length end-less belts to be manufactured.
Open Ended Metric Belts (pp23-26)Long length (up to 150 Metres) open ended belts are availablein both standard neoprene rubber construction, and in Polyurethane with RPP tooth form.Standard construction belts are available in 3M and 5M forms in widths 9,12 or 15mm; 5M and 8M form in widths 20 & 25mm and 8M form 30mm wide.For increased Power capacity the “Green Belt” is available as an alternate/replacement, these being Polyurethane belts
manufactured to tight tolerance with standard RPP tooth pro-file for maximum power transmission.The teeth are faced with green nylon fabric giving reducednoise and friction. High strength steel tension member giveshigh breaking strengths with extremely low elongation. Thebelts are available in 5mm, 8mm, and 14mm pitch for lineardrive applications, and are particularly suitable in drives withfrequent speed change.
CROSS+MORSE
Power Transmission Solutions
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CD Contents Catalogue Selection INDEX
90-3M15105-3M15129-3M15141-3M15144-3M15147-3M15150-3M15159-3M15168-3M15174-3M15177-3M15180-3M15186-3M15195-3M15201-3M15204-3M15210-3M15213-3M15225-3M15231-3M15240-3M15243-3M15246-3M15252-3M15255-3M15264-3M15267-3M15270-3M15
89
101011111112121313141415161718181919192020
12
Metric Series Timing Belts
5mm Pitch Standard Metric Belts Type 5MBelt
Lengthmm
No.Teeth
9mm Wide Belt 15mm Wide Belt 25mm Wide Belt
Cat. No. Cat. No. Cat. No.
180225235245255265270285295300305325345350375400420425450455460465475
3645474951535457596061656970758084859091929395
180-5M9225-5M9235-5M9245-5M9255-5M9265-5M9270-5M9285-5M9295-5M9300-5M9305-5M9325-5M9345-5M9350-5M9375-5M9400-5M9420-5M9425-5M9450-5M9455-5M9460-5M9465-5M9475-5M9
1316161718191920212121232425262829303232323333
180-5M15225-5M15235-5M15245-5M15255-5M15265-5M15270-5M15285-5M15295-5M15300-5M15305-5M15325-5M15345-5M15350-5M15375-5M15400-5M15420-5M15425-5M15450-5M15455-5M15460-5M15465-5M15475-5M15
180-5M25225-5M25235-5M25245-5M25255-5M25265-5M25270-5M25285-5M25295-5M25300-5M25305-5M25325-5M25345-5M25350-5M25375-5M25400-5M25420-5M25425-5M25450-5M25455-5M25460-5M25465-5M25475-5M25
3mm Pitch Standard Metric Belts Type 3MBelt
Lengthmm
No.Teeth
6mm Wide Belt 9mm Wide Belt 15mm Wide Belt
Cat. No. Wt gms Cat. No. Cat. No.
90105129141144147150159168174177180186195201204210213225231240243246252255264267270
30354347484950535658596062656768707175778081828485888990
2233333334444444445555555566
90-3M6105-3M6129-3M6141-3M6144-3M6147-3M6150-3M6159-3M6168-3M6174-3M6177-3M6180-3M6186-3M6195-3M6201-3M6204-3M6210-3M6213-3M6225-3M6231-3M6240-3M6243-3M6246-3M6252-3M6255-3M6264-3M6267-3M6270-3M6
3344455555566666677778888888
557778889999
10101011111112121213131313141414
90-3M9105-3M9129-3M9141-3M9144-3M9147-3M9150-3M9159-3M9168-3M9174-3M9177-3M9180-3M9186-3M9195-3M9201-3M9204-3M9210-3M9213-3M9225-3M9231-3M9240-3M9243-3M9246-3M9252-3M9255-3M9264-3M9267-3M9270-3M9
Wt gms
Wt gms
Wtgms
Wtgms
510-3M15513-3M15522-3M15531-3M15537-3M15564-3M15570-3M15576-3M15579-3M15597-3M15600-3M15633-3M15648-3M15669-3M15711-3M15735-3M15738-3M15756-3M15804-3M15882-3M15945-3M15
1062-3M151125-3M151245-3M151263-3M151500-3M151530-3M151863-3M15
No.Teeth
6mm Wide Belt 9mm Wide Belt 15mm Wide Belt
Cat. No. Wt gms Cat. No. Cat. No.
510513522531537564570576579597600633648669711735738756804882945
1062112512451263150015301863
170171174177179188190192193199200211216223237245246252268294315354375415421500510621
11111111111212121212121313141515151617181922232626313238
510-3M6513-3M6522-3M6531-3M6537-3M6564-3M6570-3M6576-3M6579-3M6597-3M6600-3M6633-3M6648-3M6669-3M6711-3M6735-3M6738-3M6756-3M6804-3M6882-3M6945-3M6
1062-3M61125-3M61245-3M61263-3M61500-3M61530-3M61863-3M6
16161616171718181818192020212223232325272933353839464758
26262727282929303031313333343738383941454955586465777996
Wt gms
Wt gms
510-3M9513-3M9522-3M9531-3M9537-3M9564-3M9570-3M9576-3M9579-3M9597-3M9600-3M9633-3M9648-3M9669-3M9711-3M9735-3M9738-3M9756-3M9804-3M9882-3M9945-3M9
1062-3M91125-3M91245-3M91263-3M91500-3M91530-3M91863-3M9
BeltLength
mm
BeltLength
mmNo.
Teeth
6mm Wide Belt 9mm Wide Belt 15mm Wide Belt
Cat. No. Wt gms Cat. No. Cat. No.
276285288291297300312318327330336339345357363375384390393405420432447474480486489501
9295969799
100104106109110112113115119121125128130131135140144149158160162163167
666666677777777888889991010101010
276-3M6285-3M6288-3M6291-3M6297-3M6300-3M6312-3M6318-3M6327-3M6330-3M6336-3M6339-3M6345-3M6357-3M6363-3M6375-3M6384-3M6390-3M6393-3M6405-3M6420-3M6432-3M6447-3M6474-3M6480-3M6486-3M6489-3M6501-3M6
999999
10101010101011111112121212131313141515151515
14151515151516161717171718181919202020212222232425252526
Wt gms
Wt gms
276-3M9285-3M9288-3M9291-3M9297-3M9300-3M9312-3M9318-3M9327-3M9330-3M9336-3M9339-3M9345-3M9357-3M9363-3M9375-3M9384-3M9390-3M9393-3M9405-3M9420-3M9432-3M9447-3M9474-3M9480-3M9486-3M9489-3M9501-3M9
276-3M15285-3M15288-3M15291-3M15297-3M15300-3M15312-3M15318-3M15327-3M15330-3M15336-3M15339-3M15345-3M15357-3M15363-3M15375-3M15384-3M15390-3M15393-3M15405-3M15420-3M15432-3M15447-3M15474-3M15480-3M15486-3M15489-3M15501-3M15
25mm Wide BeltNo.Teeth
9mm Wide Belt 15mm Wide Belt
Cat. No. Cat. No. Cat. No.
900-5M9935-5M9940-5M9950-5M9980-5M9
1000-5M91050-5M91100-5M91125-5M91195-5M91200-5M91240-5M91270-5M91420-5M91595-5M91690-5M91790-5M91800-5M91895-5M92000-5M92250-5M92525-5M9
180187188190196200210220225239240248254284319338358360379400450505
383939404142444647505052536067417576808495
106
900-5M15935-5M15940-5M15950-5M15980-5M15
1000-5M151050-5M151100-5M151125-5M151195-5M151200-5M151240-5M151270-5M151420-5M151595-5M151690-5M151790-5M151800-5M151895-5M152000-5M152250-5M152525-5M15
6365666769707477798484878999
112118125126133140158177
900-5M25935-5M25940-5M25950-5M25980-5M25
1000-5M251050-5M251100-5M251125-5M251195-5M251200-5M251240-5M251270-5M251420-5M251595-5M251690-5M251790-5M251800-5M251895-5M252000-5M252250-5M252525-5M25
106109110111115117123129132140140145149166187198209211222234263295
Wtgms
Wtgms
Wtgms
900935940950980
10001050110011251195120012401270142015951690179018001895200022502525
BeltLength
mmWtgms
2126272930313233353536384041444749505353545456
8mm Pitch Standard Metric Belts Type 8MBelt
Lengthmm
No.Teeth
20mm Wide Belt 30mm Wide Belt 50mm Wide Belt
Cat. No. Wt kg Cat. No. Wt kg Cat. No. Wt kg
320480536560600632640680720800840880920960
104010801120
320-8M20480-8M20536-8M20560-8M20600-8M20632-8M20640-8M20680-8M20720-8M20800-8M20840-8M20880-8M20920-8M20960-8M20
1040-8M201080-8M201120-8M20
406067707579808590
100105110115120130135140
0.0360.0540.0610.0630.0680.0710.0720.0770.0810.0900.0950.0990.1040.1080.1180.1220.127
320-8M30480-8M30536-8M30560-8M30600-8M30632-8M30640-8M30680-8M30720-8M30800-8M30840-8M30880-8M30920-8M30960-8M30
1040-8M301080-8M301120-8M30
0.0540.0810.0910.0950.1020.1070.1080.1150.1220.1360.1420.1490.1560.1630.1760.1830.190
320-8M50480-8M50536-8M50560-8M50600-8M50632-8M50640-8M50680-8M50720-8M50800-8M50840-8M50880-8M50920-8M50960-8M50
1040-8M501080-8M501120-8M50
0.0900.1360.1510.1580.1700.1790.1810.1920.2030.2260.2370.2490.2600.2710.2940.3050.316
320-8M85480-8M85536-8M85560-8M85600-8M85632-8M85640-8M85680-8M85720-8M85800-8M85840-8M85880-8M85920-8M85960-8M85
1040-8M851080-8M851120-8M85
0.1540.2310.2570.2690.2880.3040.3070.3270.3460.3840.4030.4230.4420.4610.4990.5190.538
85mm Wide Belt
Cat. No. Wt kg
14mm Pitch Standard Metric Belts Type 14MBelt
Lengthmm
No.Teeth
40mm Wide Belt 55mm Wide Belt 85mm Wide Belt
Cat. No. Wt kg Cat. No. Wt kg Cat. No. Wt kg
966119014001610176417781890210023102450259028003150336035003850432645784956
966-14M401190-14M401400-14M401610-14M401764-14M401778-14M401890-14M402100-14M402310-14M402450-14M402590-14M402800-14M403150-14M403360-14M403500-14M403850-14M404326-14M404578-14M404956-14M40
6985
100115126127135150165175185200225240250275309327354
0.380.470.550.630.700.700.740.830.910.971.021.101.241.321.381.521.701.801.95
966-14M551190-14M551400-14M551610-14M551764-14M551778-14M551890-14M552100-14M552310-14M552450-14M552590-14M552800-14M553150-14M553360-14M553500-14M553850-14M554326-14M554578-14M554956-14M55
0.520.640.760.870.960.961.021.141.251.331.401.521.711.821.902.092.342.482.68
966-14M851190-14M851400-14M851610-14M851764-14M851778-14M851890-14M852100-14M852310-14M852450-14M852590-14M852800-14M853150-14M853360-14M853500-14M853850-14M854326-14M854578-14M854956-14M85
0.811.001.171.351.481.491.581.761.932.052.172.342.642.812.933.223.623.834.15
966-14M1151190-14M1151400-14M1151610-14M1151764-14M1151778-14M1151890-14M1152100-14M1152310-14M1152450-14M1152590-14M1152800-14M1153150-14M1153360-14M1153500-14M1153850-14M1154326-14M1154578-14M1154956-14M115
1.091.351.591.822.002.012.142.382.622.782.933.173.573.813.964.364.905.195.61
966-14M1701190-14M1701400-14M1701610-14M1701764-14M1701778-14M1701890-14M1702100-14M1702310-14M1702450-14M1702590-14M1702800-14M1703150-14M1703360-14M1703500-14M1703850-14M1704326-14M1704578-14M1704956-14M170
1.621.992.342.702.952.983.163.523.874.104.344.695.275.635.866.457.247.678.30
115mm Wide Belt 170mm Wide Belt
Cat. No. Wt kg Cat. No. Wt kg
BeltLength
mmNo.
Teeth
20mm Wide Belt 30mm Wide Belt 50mm Wide Belt
Cat. No. Wt kg Cat. No. Wt kg Cat. No. Wt kg
12001224128013521440146416001760180020002400260028003048328036004400
1200-8M201224-8M201280-8M201352-8M201440-8M201464-8M201600-8M201760-8M201800-8M202000-8M202400-8M202600-8M202800-8M203048-8M203280-8M203600-8M204400-8M20
150153160169180183200220225250300325350381410450550
0.1360.1380.1450.1530.1630.1650.1810.1990.2030.2260.2710.2940.3160.3440.3710.4070.497
1200-8M301224-8M301280-8M301352-8M301440-8M301464-8M301600-8M301760-8M301800-8M302000-8M302400-8M302600-8M302800-8M303048-8M303280-8M303600-8M304400-8M30
0.2030.2070.2170.2290.2440.2480.2710.2960.3050.3390.4070.4410.4750.5170.5560.6100.746
1200-8M501224-8M501280-8M501352-8M501440-8M501464-8M501600-8M501760-8M501800-8M502000-8M502400-8M502600-8M502800-8M503048-8M503280-8M503600-8M504400-8M50
0.3390.3460.3620.3820.4070.4140.4520.4970.5090.5650.6780.7350.7910.8610.9271.0171.243
1200-8M851224-8M851280-8M851352-8M851440-8M851464-8M851600-8M851760-8M851800-8M852000-8M852400-8M852600-8M852800-8M853048-8M853280-8M853600-8M854400-8M85
0.5760.5880.6150.6490.6920.7030.7680.8450.8640.9611.1531.2491.3451.4641.5751.7292.113
85mm Wide Belt
Cat. No. Wt kg
500525535565575580600610635640670675700705710725740750755800835850890
BeltLength
mmNo.
Teeth
9mm Wide Belt 15mm Wide Belt 25mm Wide Belt
Cat. No. Cat. No. Cat. No.
500-5M9525-5M9535-5M9565-5M9575-5M9580-5M9600-5M9610-5M9635-5M9640-5M9670-5M9675-5M9700-5M9705-5M9710-5M9725-5M9740-5M9750-5M9755-5M9800-5M9835-5M9850-5M9890-5M9
100105107113115116120122127128134135140141142145148150151160167170178
2122222424242526272728282930303031313234353637
500-5M15525-5M15535-5M15565-5M15575-5M15580-5M15600-5M15610-5M15635-5M15640-5M15670-5M15675-5M15700-5M15705-5M15710-5M15725-5M15740-5M15750-5M15755-5M15800-5M15835-5M15850-5M15890-5M15
3537374040414243444547474949505152525356586062
500-5M25525-5M25535-5M25565-5M25575-5M25580-5M25600-5M25610-5M25635-5M25640-5M25670-5M25675-5M25700-5M25705-5M25710-5M25725-5M25740-5M25750-5M25755-5M25800-5M25835-5M25850-5M25890-5M25
59616366676870717475787982828385878788949899104
Wtgms
Wtgms
Wtgms
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
Te
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44
1
21
3
60
0
15
5 F
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+
44
1
21
3
25
1
07
9 E
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CD Contents Catalogue Selection INDEX
9661092119014001610176417781890210023102450259028003150336035003850432645784956
10801120120012241280135214401464160017601800200022002400260028003048328036004400
288320352384408480536544560600632640680720800840880920960
1040
13
High Power Metric Timing Belts
High Power RPP Plus and RPP Gold BeltsThe improved design RPP Plus and RPP Gold Belts can transmit higher torques whilst still operating on standard HTD pulleys.Replacing a standard metric belt with the equivalent RPP Plus belt can enable up to 100% more torque transmission, whilst theequivalent RPP Gold belt provides up to 200% more. Both are available in 8mm and 14mm pitch.
8mm Pitch RPP Plus High Power Belts Type 8HBelt
Lengthmm
No.Teeth
20mm Wide Belt
Cat. No. Wt kg
30mm Wide Belt
Cat. No. Wt kg
50mm Wide Belt
Cat. No. Wt kg
85mm Wide Belt
Cat. No. Wt kg
288-8H20320-8H20352-8H20384-8H20408-8H20480-8H20536-8H20544-8H20560-8H20600-8H20632-8H20640-8H20680-8H20720-8H20800-8H20840-8H20880-8H20920-8H20960-8H20
1040-8H20
3640444851606768707579808590
100105110115120130
0.0330.0360.0400.0430.0460.0540.0610.0610.0630.0680.0710.0720.0770.0810.0900.0950.0990.1040.1080.118
288-8H30320-8H30352-8H30384-8H30408-8H30480-8H30536-8H30544-8H30560-8H30600-8H30632-8H30640-8H30680-8H30720-8H30800-8H30840-8H30880-8H30920-8H30960-8H30
1040-8H30
0.0490.0540.0600.0650.0690.0810.0910.0920.0950.1020.1070.1080.1150.1220.1360.1420.1490.1560.1630.176
288-8H50320-8H50352-8H50384-8H50408-8H50480-8H50536-8H50544-8H50560-8H50600-8H50632-8H50640-8H50680-8H50720-8H50800-8H50840-8H50880-8H50920-8H50960-8H50
1040-8H50
0.0810.0900.0990.1080.1150.1360.1510.1540.1580.1700.1790.1810.1920.2030.2260.2370.2490.2600.2710.294
288-8H85320-8H85352-8H85384-8H85408-8H85480-8H85536-8H85544-8H85560-8H85600-8H85632-8H85640-8H85680-8H85720-8H85800-8H85840-8H85880-8H85920-8H85960-8H85
1040-8H85
0.1360.1540.1690.1840.1960.2310.2570.2610.2690.2880.3040.3070.3270.3460.3840.4030.4230.4420.4610.499
BeltLength
mmNo.
Teeth20mm Wide Belt
Cat. No. Wt kg
30mm Wide Belt
Cat. No. Wt kg
50mm Wide Belt
Cat. No. Wt kg
85mm Wide Belt
Cat. No. Wt kg
1080-8H201120-8H201200-8H201224-8H201280-8H201352-8H201440-8H201464-8H201600-8H201760-8H201800-8H202000-8H202200-8H202400-8H202600-8H202800-8H203048-8H203280-8H203600-8H204400-8H20
135140150153160169180183200220225250275300325350381410450550
0.1220.1270.1360.1380.1450.1530.1630.1650.1810.1990.2030.2260.2490.2710.2940.3160.3440.3710.4070.497
1080-8H301120-8H301200-8H301224-8H301280-8H301352-8H301440-8H301464-8H301600-8H301760-8H301800-8H302000-8H302200-8H302400-8H302600-8H302800-8H303048-8H303280-8H303600-8H304400-8H30
0.1830.1900.2030.2070.2170.2290.2440.2480.2710.2980.3050.3390.3730.4070.4410.4750.5170.5560.6100.746
1080-8H501120-8H501200-8H501224-8H501280-8H501352-8H501440-8H501464-8H501600-8H501760-8H501800-8H502000-8H502200-8H502400-8H502600-8H502800-8H503048-8H503280-8H503600-8H504400-8H50
0.3050.3160.3390.3460.3620.3820.4070.4140.4520.4970.5090.5650.6220.6780.7350.7910.8610.9271.0171.243
1080-8H851120-8H851200-8H851224-8H851280-8H851352-8H851440-8H851464-8H851600-8H851760-8H851800-8H852000-8H852200-8H852400-8H852600-8H852800-8H853048-8H853280-8H853600-8H854400-8H85
0.5190.5380.5760.5880.6150.6490.6920.7030.7680.8450.8640.9611.0571.1531.2491.3451.4641.5751.7292.113
BeltLength
mmNo.
Teeth40mm Wide Belt
Cat. No. Wt kg
55mm Wide Belt
Cat. No. Wt kg
85mm Wide Belt
Cat. No. Wt kg
115mm Wide Belt 170mm Wide Belt
Cat. No. Wt kg
966-14P401092-14P401190-14P401400-14P401610-14P401764-14P401778-14P401890-14P402100-14P402310-14P402450-14P402590-14P402800-14P403150-14P403360-14P403500-14P403850-14P404326-14P404578-14P404956-14P40
697885
100115126127135150165175185200225240250275309327354
0.380.430.470.550.630.700.700.740.830.910.971.021.101.241.321.381.521.701.801.95
966-14P551092-14P551190-14P551400-14P551610-14P551764-14P551778-14P551890-14P552100-14P552310-14P552450-14P552590-14P552800-14P553150-14P553360-14P553500-14P553850-14P554326-14P554578-14P554956-14P55
0.520.590.640.760.870.960.961.021.141.251.331.401.521.711.821.902.092.342.482.68
966-14P851092-14P851190-14P851400-14P851610-14P851764-14P851778-14P851890-14P852100-14P852310-14P852450-14P852590-14P852800-14P853150-14P853360-14P853500-14P853850-14P854326-14P854578-14P854956-14P85
0.810.911.001.171.351.481.491.581.761.932.052.172.342.642.812.933.223.623.834.15
966-14P1151092-14P1151190-14P1151400-14P1151610-14P1151764-14P1151778-14P1151890-14P1152100-14P1152310-14P1152450-14P1152590-14P1152800-14P1153150-14P1153360-14P1153500-14P1153850-14P1154326-14P1154578-14P1154956-14P115
1.091.241.351.591.822.002.012.142.382.622.782.933.173.573.813.964.364.905.195.61
966-14P1701092-14P1701190-14P1701400-14P1701610-14P1701764-14P1701778-14P1701890-14P1702100-14P1702310-14P1702450-14P1702590-14P1702800-14P1703150-14P1703360-14P1703500-14P1703850-14P1704326-14P1704578-14P1704956-14P170
1.621.831.992.342.702.952.983.163.523.874.104.344.695.275.635.866.457.247.678.30
Cat. No. Wt kg
1.091.241.351.591.822.002.012.142.382.622.782.933.173.573.813.964.364.905.195.61
9661092119014001610176417781890210023102450259028003150336035003850432645784956
14mm Pitch RPP Plus High Power Belts Type 14HBelt
Lengthmm
No.Teeth
40mm Wide Belt
Cat. No. Wt kg
55mm Wide Belt
Cat. No. Wt kg
85mm Wide Belt
Cat. No. Wt kg
115mm Wide Belt 170mm Wide Belt
Cat. No. Wt kg
966-14H401092-14H401190-14H401400-14H401610-14H401764-14H401778-14H401890-14H402100-14H402310-14H402450-14H402590-14H402800-14H403150-14H403360-14H403500-14H403850-14H404326-14H404578-14H404956-14H40
697885
100115126127135150165175185200225240250275309327354
0.380.430.470.550.630.700.700.740.830.910.971.021.101.241.321.381.521.701.801.95
966-14H551092-14H551190-14H551400-14H551610-14H551764-14H551778-14H551890-14H552100-14H552310-14H552450-14H552590-14H552800-14H553150-14H553360-14H553500-14H553850-14H554326-14H554578-14H554956-14H55
0.520.590.640.760.870.960.961.021.141.251.331.401.521.711.821.902.092.342.482.68
966-14H851092-14H851190-14H851400-14H851610-14H851764-14H851778-14H851890-14H852100-14H852310-14H852450-14H852590-14H852800-14H853150-14H853360-14H853500-14H853850-14H854326-14H854578-14H854956-14H85
0.810.911.001.171.351.481.491.581.761.932.052.172.342.642.812.933.223.623.834.15
966-14H1151092-14H1151190-14H1151400-14H1151610-14H1151764-14H1151778-14H1151890-14H1152100-14H1152310-14H1152450-14H1152590-14H1152800-14H1153150-14H1153360-14H1153500-14H1153850-14H1154326-14H1154578-14H1154956-14H115
Cat. No. Wt kg
966-14H1701092-14H1701190-14H1701400-14H1701610-14H1701764-14H1701778-14H1701890-14H1702100-14H1702310-14H1702450-14H1702590-14H1702800-14H1703150-14H1703360-14H1703500-14H1703850-14H1704326-14H1704578-14H1704956-14H170
1.621.831.992.342.702.952.983.163.523.874.104.344.695.275.635.866.457.247.678.30
10801120120012241280135214401464160017601800200022002400260028003048328036004400
288320352384408480536544560600632640680720800840880920960
1040
8mm Pitch RPP Gold High Power Belts Type 8PBelt
Lengthmm
No.Teeth
20mm Wide Belt
Cat. No. Wt kg
30mm Wide Belt
Cat. No. Wt kg
50mm Wide Belt
Cat. No. Wt kg
85mm Wide Belt
Cat. No. Wt kg
288-8P20320-8P20352-8P20384-8P20408-8P20480-8P20536-8P20544-8P20560-8P20600-8P20632-8P20640-8P20680-8P20720-8P20800-8P20840-8P20880-8P20920-8P20960-8P20
1040-8P20
3640444851606768707579808590
100105110115120130
0.0330.0360.0400.0430.0460.0540.0610.0610.0630.0680.0710.0720.0770.0810.0900.0950.0990.1040.1080.118
288-8P30320-8P30352-8P30384-8P30408-8P30480-8P30536-8P30544-8P30560-8P30600-8P30632-8P30640-8P30680-8P30720-8P30800-8P30840-8P30880-8P30920-8P30960-8P30
1040-8P30
0.0490.0540.0600.0650.0690.0810.0910.0920.0950.1020.1070.1080.1150.1220.1360.1420.1490.1560.1630.176
288-8P50320-8P50352-8P50384-8P50408-8P50480-8P50536-8P50544-8P50560-8P50600-8P50632-8P50640-8P50680-8P50720-8P50800-8P50840-8P50880-8P50920-8P50960-8P50
1040-8P50
0.0810.0900.0990.1080.1150.1360.1510.1540.1580.1700.1790.1810.1920.2030.2260.2370.2490.2600.2710.294
288-8P85320-8P85352-8P85384-8P85408-8P85480-8P85536-8P85544-8P85560-8P85600-8P85632-8P85640-8P85680-8P85720-8P85800-8P85840-8P85880-8P85920-8P85960-8P85
1040-8P85
0.1360.1540.1690.1840.1960.2310.2570.2610.2690.2880.3040.3070.3270.3460.3840.4030.4230.4420.4610.499
14mm Pitch RPP Gold High Power Belts Type 14P
BeltLength
mmNo.
Teeth20mm Wide Belt
Cat. No. Wt kg
30mm Wide Belt
Cat. No. Wt kg
50mm Wide Belt
Cat. No. Wt kg
85mm Wide Belt
Cat. No. Wt kg
1080-8P201120-8P201200-8P201224-8P201280-8P201352-8P201440-8P201464-8P201600-8P201760-8P201800-8P202000-8P202200-8P202400-8P202600-8P202800-8P203048-8P203280-8P203600-8P204400-8P20
135140150153160169180183200220225250275300325350381410450550
0.1220.1270.1360.1380.1450.1530.1630.1650.1810.1990.2030.2260.2490.2710.2940.3160.3440.3710.4070.497
1080-8P301120-8P301200-8P301224-8P301280-8P301352-8P301440-8P301464-8P301600-8P301760-8P301800-8P302000-8P302200-8P302400-8P302600-8P302800-8P303048-8P303280-8P303600-8P304400-8P30
0.1830.1900.2030.2070.2170.2290.2440.2480.2710.2980.3050.3390.3730.4070.4410.4750.5170.5560.6100.746
1080-8P501120-8P501200-8P501224-8P501280-8P501352-8P501440-8P501464-8P501600-8P501760-8P501800-8P502000-8P502200-8P502400-8P502600-8P502800-8P503048-8P503280-8P503600-8P504400-8P50
0.3050.3160.3390.3460.3620.3820.4070.4140.4520.4970.5090.5650.6220.6780.7350.7910.8610.9271.0171.243
1080-8H851120-8H851200-8H851224-8H851280-8H851352-8H851440-8H851464-8H851600-8H851760-8H851800-8H852000-8H852200-8H852400-8H852600-8H852800-8H853048-8H853280-8H853600-8H854400-8P85
0.5190.5380.5760.5880.6150.6490.6920.7030.7680.8450.8640.9611.0571.1531.2491.3451.4641.5751.7292.113
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
1
07
9 E
ma
il s
ale
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cr
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CD Contents Catalogue Selection INDEX
Wt kg
115mm Wide Belt85mm Wide Belt40mm Wide Belt
9661190140016101778189021002310245025902800315035003850432645784956
6985
100115127135150165175185200225250275309327354
14mm Pitch Double-sided Metric Belts Type 14M - DD
Cat. No.
BeltLength
mmNo.
Teeth Cat. No.
55mm Wide Belt
Cat. No.Wt kg Wt kg Wt kg Cat. No.
966-14M40DD1190-14M40DD1400-14M40DD1610-14M40DD1778-14M40DD1890-14M40DD2100-14M40DD2310-14M40DD2450-14M40DD2590-14M40DD2800-14M40DD3150-14M40DD3500-14M40DD3850-14M40DD4326-14M40DD4578-14M40DD4956-14M40DD
0.350.430.510.580.640.690.760.840.890.941.021.141.271.401.571.661.80
966-14M55DD1190-14M55DD1400-14M55DD1610-14M55DD1778-14M55DD1890-14M55DD2100-14M55DD2310-14M55DD2450-14M55DD2590-14M55DD2800-14M55DD3150-14M55DD3500-14M55DD3850-14M55DD4326-14M55DD4578-14M55DD4956-14M55DD
0.480.600.700.800.890.941.051.151.221.291.401.571.751.922.162.282.47
966-14M85DD1190-14M85DD1400-14M85DD1610-14M85DD1778-14M85DD1890-14M85DD2100-14M85DD2310-14M85DD2450-14M85DD2590-14M85DD2800-14M85DD3150-14M85DD3500-14M85DD3850-14M85DD4326-14M85DD4578-14M85DD4956-14M85DD
0.750.921.081.241.371.461.621.781.892.002.162.432.702.973.343.533.82
966-14M115DD1190-14M115DD1400-14M115DD1610-14M115DD1778-14M115DD1890-14M115DD2100-14M115DD2310-14M115DD2450-14M115DD2590-14M115DD2800-14M115DD3150-14M115DD3500-14M115DD3850-14M115DD4326-14M115DD4578-14M115DD4956-14M115DD
1.011.241.461.681.851.972.192.412.562.702.923.293.654.024.524.785.18
966-14M170DD1190-14M170DD1400-14M170DD1610-14M170DD1778-14M170DD1890-14M170DD2100-14M170DD2310-14M170DD2450-14M170DD2590-14M170DD2800-14M170DD3150-14M170DD3500-14M170DD3850-14M170DD4326-14M170DD4578-14M170DD4956-14M170DD
1.491.842.162.482.742.923.243.563.784.004.324.865.405.946.687.067.64
Wt kg
170mm Wide Belt
Cat. No.
635-5M25DD640-5M25DD675-5M25DD700-5M25DD705-5M25DD710-5M25DD725-5M25DD740-5M25DD755-5M25DD800-5M25DD850-5M25DD890-5M25DD935-5M25DD940-5M25DD950-5M25DD980-5M25DD
1000-5M25DD1050-5M25DD1125-5M25DD1195-5M25DD1240-5M25DD1270-5M25DD1420-5M25DD1595-5M25DD1690-5M25DD1790-5M25DD1800-5M25DD1895-5M25DD
45454749495051525356606265666769707479848789
100112118125126133
635-5M15DD640-5M15DD675-5M15DD700-5M15DD705-5M15DD710-5M15DD725-5M15DD740-5M15DD755-5M15DD800-5M15DD850-5M15DD890-5M15DD935-5M15DD940-5M15DD950-5M15DD980-5M15DD
1000-5M15DD1050-5M15DD1125-5M15DD1195-5M15DD1240-5M15DD1270-5M15DD1420-5M15DD1595-5M15DD1690-5M15DD1790-5M15DD1800-5M15DD1895-5M15DD
635640675700705710725740755800850890935940950980
100010501125119512401270142015951690179018001895
Metric Series Timing Belt Drives
14
Double Sided Metric BeltsDouble-sided belts have teeth equally constructed on each side of the belt, which enables them to mesh with toothed pulleys onboth the inside and outside. The construction of the belts is basically the same as standard Metric belts, except that the nylon facing is also on the backing teeth, enabling full torque transmission from each side of the belt.
Double sided belts enable:-
• Reverse motion between internal and external pulleys. • Require only one belt to drive a series of pulleys.
• Simplified design layouts and weight reduction.
Standard Double sided belts are available in three sizes, 5M, 8M, and 14M, all operating on standard HTD pulleys.
5mm Pitch Double Sided Metric Belts Type 5M-DDBelt
Lengthmm
No.Teeth Cat. No.
635-5M9DD640-5M9DD675-5M9DD700-5M9DD705-5M9DD710-5M9DD725-5M9DD740-5M9DD755-5M9DD800-5M9DD850-5M9DD890-5M9DD935-5M9DD940-5M9DD950-5M9DD980-5M9DD
1000-5M9DD1050-5M9DD1125-5M9DD1195-5M9DD1240-5M9DD1270-5M9DD1420-5M9DD1595-5M9DD1690-5M9DD1790-5M9DD1800-5M9DD1895-5M9DD
127128135140141142145148151160170178187188190196200210225239248254284319338358360379
27272829303030313134363739404041424447505253606771757680
9mm Wide Belt 15mm Wide Belt
Cat. No. WtgmsWtgms
7475798182838586889399
104108110111114117123131140145148166186197209210221
25mm Wide Belt
Cat. No. Wtgms
8mm Pitch Double Sided Metric Belts Type 8M-DD
Cat. No.
.180
.189
.192
.204
.216
.240
.252
.264
.276
.288
.312
.336
.360
.367
.384
.405
.432
.480
.528
.540
.600
.720
.780
.840
.912
.9851.0801.320
600-8M50DD632-8M50DD640-8M50DD680-8M50DD720-8M50DD800-8M50DD840-8M50DD880-8M50DD920-8M50DD960-8M50DD
1040-8M50DD1120-8M50DD1200-8M50DD1224-8M50DD1280-8M50DD1352-8M50DD1440-8M50DD1600-8M50DD1760-8M50DD1800-8M50DD2000-8M50DD2400-8M50DD2600-8M50DD2800-8M50DD3048-8M50DD3280-8M50DD3600-8M50DD4400-8M50DD
.108
.113
.115
.122
.130
.144
.151
.158
.165
.173
.187
.202
.216
.220
.230
.242
.259
.288
.317
.324
.360
.432
.468
.504
.549
.590
.648
.792
600632640680720800840880920960
104011201200122412801352144016001760180020002400260028003048328036004400
BeltLength
mmNo.
Teeth Cat. No.
600-8M20DD632-8M20DD640-8M20DD680-8M20DD720-8M20DD800-8M20DD840-8M20DD880-8M20DD920-8M20DD960-8M20DD
1040-8M20DD1120-8M20DD1200-8M20DD1224-8M20DD1280-8M20DD1352-8M20DD1440-8M20DD1600-8M20DD1760-8M20DD1800-8M20DD2000-8M20DD2400-8M20DD2600-8M20DD2800-8M20DD3048-8M20DD3280-8M20DD3600-8M20DD4400-8M20DD
7579808590
100105110115120130140150153160169180200220225250300325350381410450550
.072
.076
.077
.082
.086
.096
.101
.106
.111
.115
.125
.134
.144
.147
.154
.163
.173
.192
.211
.216
.240
.288
.312
.336
.365
.394
.432
.528
20mm Wide Belt 30mm Wide Belt
Cat. No.Wt kg
50mm Wide Belt
600-8M30DD632-8M30DD640-8M30DD680-8M30DD720-8M30DD800-8M30DD840-8M30DD880-8M30DD920-8M30DD960-8M30DD
1040-8M30DD1120-8M30DD1200-8M30DD1224-8M30DD1280-8M30DD1352-8M30DD1440-8M30DD1600-8M30DD1760-8M30DD1800-8M30DD2000-8M30DD2400-8M30DD2600-8M30DD2800-8M30DD3048-8M30DD3280-8M30DD3600-8M30DD4400-8M30DD
Wt kg Wt kg
85mm Wide Belt
Cat. No. Wt kg
.306
.322
.326
.347
.367
.408
.428
.449
.469
.490
.530
.571
.612
.625
.653
.690
.734
.816
.898
.9181.0201.2241.3261.4281.5511.6751.8362.244
600-8M85DD632-8M85DD640-8M85DD680-8M85DD720-8M85DD800-8M85DD840-8M85DD880-8M85DD920-8M85DD960-8M85DD
1040-8M85DD1120-8M85DD1200-8M85DD1224-8M85DD1280-8M85DD1352-8M85DD1440-8M85DD1600-8M85DD1760-8M85DD1800-8M85DD2000-8M85DD2400-8M85DD2600-8M85DD2800-8M85DD3048-8M85DD3280-8M85DD3600-8M85DD4400-8M85DD
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
1
07
9 E
ma
il s
ale
s@
cr
os
sm
or
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om
CD Contents Catalogue Selection INDEX
.006
.008
.010
.012
.010
.012
.014
.016
.018
.020
.027
.030
.038
.045
.060
.075
.095
.103
.150
.210
PulleyType
CatalogueNo.
No.Teeth
Z
Pitch CircleDiameter
dp
15
HTD Timing Pulleys - 3M Belts
Cross+Morse HTD Pulleys are manufactured to close tolerances to ensure concentric running, and have precision generated gearteeth to match the high power and speed capabilities of HTD drive belts. Only high quality materials are used for pulley manufacture; aluminium being selected for 3M and larger 5M pulleys to keep weight and inertia low; all other pulleys machinedfrom medium carbon steel bar or 260 Grade cast iron and finished with zinc phosphate for corrosion protection.Standard pulleys are offered with a large range of tooth sizes in widths to suit all standard HTD belts. Pulleys for 5M, 8M and14M drives are available with parallel pilot bore for reworking to customers requirements , bored for shaft clamping elements, orwith taper bore to be combined with stock taper brushes for the complete off- the Shelf drive. Pulleys of non-standard widths or numbers of teeth can be supplied to order, or teeth can be generated on customers own blanks.Smaller pulleys are fitted with two flanges to retain the drive belt, these being identified in tables by suffix ‘F’ on pulley type. Theflanges are pressed onto pulley body and retained by spin rivetting.Dimensions over and between flanges are provided in table below.
EF
Belt Size
Belt Width mm
3M
9 15 9 15 25
5M 8M 14M
20 30 50 85 40 55 85 115 170
10.213.4
1720
11.914.5
17.920.5
27.930.5
2328
3338
5560
9095
4754
6370
95102
126133
180187
Min.Bore
d
MaxBore
d
OutsideDiameter
do
FlangeDiameter
A
PulleyWidth
F
BoreLength
L
HubDiameter
M
Approx.Weight
kg
3mm Pitch Pulleys for 9mm wide Belts. Ref. 3M09
10-3M-0912-3M-0914-3M-0915-3M-0916-3M-0918-3M-0920-3M-0921-3M-0922-3M-0924-3M-0926-3M-0928-3M-0930-3M-0932-3M-0936-3M-0940-3M-0944-3M-0948-3M-0960-3M-0972-3M-09
1012141516182021222426283032364044486072
0F0F0F0F1F1F1F1F1F1F1F1F1F1F1F1F1F111
9.5511.4613.3714.3215.2817.1919.1020.0521.0122.9224.8326.7428.6530.5534.3838.2042.0245.8457.3068.75
____
4.06.06.06.06.06.06.06.06.06.06.06.06.08.08.08.0
4.06.07.08.06.57.08.08.58.58.5
10.511.512.714.017.018.522.522.522.522.5
13.015.016.017.517.520.023.025.025.025.028.032.032.036.039.042.048.0_
__
10.210.210.210.212.812.812.812.812.812.812.812.812.812.813.413.413.413.413.413.4
3mm Pitch Pulleys for 15mm wide Belts. Ref. 3M15
8.810.712.613.614.516.418.319.320.322.224.126.027.929.833.637.441.345.156.568.0
17.517.517.517.520.620.620.620.620.620.620.620.620.620.622.222.222.222.222.222.2
13.015.016.017.510.011.013.014.014.014.016.018.020.022.026.028.033.033.033.033.0
.004
.006
.007
.008
.007
.008
.010
.013
.014
.016
.018
.024
.028
.032
.045
.055
.074
.074
.106
.145
10-3M-1512-3M-1514-3M-1515-3M-1516-3M-1518-3M-1520-3M-1521-3M-1522-3M-1524-3M-1526-3M-1528-3M-1530-3M-1532-3M-1536-3M-1540-3M-1544-3M-1548-3M-1560-3M-1572-3M-15
1012141516182021222426283032364044486072
0F0F0F0F1F1F1F1F1F1F1F1F1F1F1F1F1F111
9.5511.4613.3714.3215.2817.1919.1020.0521.0122.9224.8326.7428.6530.5534.3838.2042.0245.8457.3068.75
____
4.06.06.06.06.06.06.06.06.06.06.06.06.08.08.08.0
4.06.07.08.06.57.08.08.58.58.5
10.511.512.714.017.018.522.522.522.522.5
8.810.712.613.614.516.418.319.320.322.224.126.027.929.833.637.441.345.156.568.0
13.015.016.017.517.520.023.025.025.025.028.032.032.036.039.042.048.0_
__
13.015.016.017.510.011.013.014.014.014.016.018.020.022.026.028.033.033.033.033.0
17.017.017.017.019.519.519.519.519.519.519.519.519.519.520.020.020.020.020.020.0
26.026.026.026.026.026.026.026.026.026.026.026.026.026.030.030.030.030.030.030.0
Type 1Material: Aluminium
Type 0FMaterial: Aluminium
dp do
F
d MA
L
d Mdp do
F
L
F
E
L
F
d MA dp do
Type 1FMaterial: Aluminium
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
1
07
9 E
ma
il s
ale
s@
cr
os
sm
or
se
.c
om
CD Contents Catalogue Selection INDEX
16
HTD Timing Pulleys - 5M Belts
Pulley TypesPulley types referred to in tables areas drawings below. The suffix ‘F’indicates pulley flanges
Pulley InstallationCorrect and accurate installation of Timing Drives is essential. Pulley alignment and shaft parallelism is very important as misalignment ofthe drive will cause unequal loading across the belt width and edge wear of belt on flanges. Pulley alignment can be checked by placing astraight edge against the outside edge of the pulleys and adjusting so contact made evenly across both pulleys.The shaft should be located within a rigid framework, as any distortion under load could result in a reduction of centre distance which willcause jumping of belt on pulley teeth. If idlers are used they must be locked firmly into position after correct belt tensioning. Refer to page 9 for additional on drive installation.
12-5M-2514-5M-2515-5M-2516-5M-2518-5M-2520-5M-2521-5M-2522-5M-2524-5M-2526-5M-2528-5M-2530-5M-2532-5M-2536-5M-2540-5M-25
44-5M-2548-5M-2560-5M-2572-5M-25
121415161820212224262830323640
44486072
19.1022.2823.8725.4628.6531.8333.4235.0138.2041.3844.5647.7550.9357.3063.66
70.0376.3995.49
114.59
_
6.06.06.06.06.06.06.06.06.06.06.08.08.08.0
8.08.08.08.0
1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F
2222
88
10111314151618202024262626
26263434
18.021.122.724.327.530.732.333.937.140.243.446.649.856.262.5
68.975.394.4
113.5
20.520.520.520.520.520.520.520.520.520.520.520.520.520.520.5
20.520.520.520.5
26.026.026.026.026.026.026.026.028.028.028.028.028.028.028.0
30.030.030.030.0
13.013.016.016.520.023.024.025.527.030.030.535.038.038.038.0
38.038.050.050.0
_______________
587490
100
.034
.046
.056
.064
.086
.112
.130
.140
.180
.220
.250
.300
.350
.426
.520
.225
.187
.305
.375
23.025.028.028.032.036.038.039.042.044.048.051.054.060.071.0
____
12-5M-1514-5M-1515-5M-1516-5M-1518-5M-1520-5M-1521-5M-1522-5M-1524-5M-1526-5M-1528-5M-1530-5M-1532-5M-1536-5M-1540-5M-15
44-5M-1548-5M-1560-5M-1572-5M-15
CatalogueNo.
12-5M-0914-5M-0915-5M-0916-5M-0918-5M-0920-5M-0921-5M-0922-5M-0924-5M-0926-5M-0928-5M-0930-5M-0932-5M-0936-5M-0940-5M-09
44-5M-0948-5M-0960-5M-0972-5M-09
All dimensions in mm. Other sizes of Pulleys can be supplied on short delivery. Pulleys can be supplied bored and keywayed.For Taper Bore Pulleys see page 21, and Avante pulleys pages 19-20
No.Teeth
ZPulleyType
Pitch CircleDiameter
dp
Min.Bore
d
MaxBore
d
OutsideDiameter
do
FlangeDiameter
A
PulleyWidth
F
BoreLength
L
HubDiameter
M
Approx.Weight
kg
RimDiameter
N
5mm Pitch Pulleys for 9mm wide Belts. Ref. 5M09
5mm Pitch Pulleys for 15mm wide Belts. Ref. 5M15
121415161820212224262830323640
44486072
19.1022.2823.8725.4628.6531.8333.4235.0138.2041.3844.5647.7550.9357.3063.66
70.0376.3995.49
114.59
4.06.06.06.06.06.06.06.06.06.06.06.08.08.08.0
8.08.08.08.0
23.025.028.028.032.036.038.039.042.044.048.051.054.060.071.0
____
1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F
2222
88
10111314151618202024262626
26263030
18.021.122.724.327.530.732.333.937.140.243.446.649.856.262.5
68.975.394.4
113.5
14.514.514.514.514.514.514.514.514.514.514.514.514.514.514.5
14.514.514.514.5
20.020.020.020.020.022.522.522.522.522.522.522.522.522.522.5
25.525.525.525.5
13.013.016.016.520.023.024.025.527.030.030.535.038.038.038.0
38.045.045.045.0
_______________
587490
100
.028
.034
.042
.050
.070
.094
.110
.118
.145
.170
.200
.236
.270
.324
.400
.170
.182
.230
.270
5mm Pitch Pulleys for 25mm wide Belts. Ref. 5M25
121415161820212224262830323640
44486072
19.1022.2823.8725.4628.6531.8333.4235.0138.2041.3844.5647.7550.9357.3063.66
70.0376.3995.49
114.59
_
6.06.06.06.06.06.06.06.06.06.06.08.08.08.0
8.08.08.08.0
1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F
1222
88
10111314151618202024262626
26263434
18.021.122.724.327.530.732.333.937.140.243.446.649.856.262.5
68.975.394.4
113.5
30.530.530.530.530.530.530.530.530.530.530.530.530.530.530.5
30.530.530.530.5
36.036.036.036.036.036.038.038.038.038.038.038.038.038.038.0
40.040.040.040.0
13.013.016.016.520.023.024.025.527.030.030.535.038.038.038.0
38.038.050.050.0
_______________
_
7490
100
0.500.700.80.100.120.160.180.210.250.300.350.420.485.595.745
.320
.275
.435
.525
23.025.028.028.032.036.038.039.042.044.048.051.054.060.071.0
____
L
Type 1Material: Aluminium
F
d MA dp do d Mdo
FL
dp
FL
dodp N d M
Type 2Material: Aluminium
Type 1FMaterial: Steel
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
1
07
9 E
ma
il s
ale
s@
cr
os
sm
or
se
.c
om
CD Contents Catalogue Selection INDEX
*Non-stock items, manufactured to customer order only. All dimensions in mm.Standard Pulleys can be reworked to customers bore and keyway requirements
105105105105105105105105105105105105105
9595
959595959595
P22-8M-50P24-8M-50P26-8M-50P28-8M-50P30-8M-50P32-8M-50P34-8M-50P36-8M-50P38-8M-50P40-8M-50P44-8M-50P48-8M-50P56-8M-50P64-8M-50P72-8M-50
P80-8M-50P90-8M-50
P112-8M-50P144-8M-50P168-8M-50P192-8M-50
P22-8M-85P24-8M-85P26-8M-85P28-8M-85P30-8M-85P32-8M-85P34-8M-85P36-8M-85P38-8M-85P40-8M-85P44-8M-85P48-8M-85P56-8M-85P64-8M-85P72-8M-85
P80-8M-85P90-8M-85
P112-8M-85P144-8M-85P168-8M-85P192-8M-85
Approx.Weight
kg
P22-8M-20P24-8M-20P26-8M-20P28-8M-20P30-8M-20P32-8M-20P34-8M-20P36-8M-20P38-8M-20P40-8M-20P44-8M-20P48-8M-20P56-8M-20P64-8M-20P72-8M-20
P80-8M-20P90-8M-20
*P112-8M-20*P144-8M-20*P168-8M-20*P192-8M-20
CatalogueNo.
17
Plain Bore Pulleys 8M Belts
Pulley TypesThe Pulley types referred to in tables are as drawings below. Suffix ‘F’ indicates pulley has flanges. Pulley below dividing line in tables are manufactured in cast iron. Pulleys 112 teeth(80 teeth on 8M-85) and aboveincorporate lightening holes indesign.
No.Teeth
Z
PulleyType
PitchCircle
Diameterdp
Min.Bore
d
MaxBore
d
OutsideDiameter
do
FlangeDiameter
A
PulleyWidth
F
BoreLength
L
HubDiameter
M
RimDiameter
N
222426283032343638404448566472
8090
112144168192
1F1F1F1F1F1F1F1F1F1F1F1F2F2F2F
222222
56.0261.1266.2171.3076.3981.4986.5891.6796.77
101.86112.05122.23142.60162.97183.35
203.72229.18285.21366.69427.81488.92
121212151515151515151515151515
151518202020
293032343640444650505050545454
545454546060
293032343640444650505050545454
545454546060
54.759.864.970.175.180.285.290.395.4
100.5110.7120.9141.2161.6182.0
202.4227.8283.8365.3426.4487.6
6066707582879197
102106120128150168192
––––––
383838383838383838383838383838
383838383838
282828282828282828282828282828
282828282828
434548505560667075757575808080
90909090
100100
____________
116137158
180204254336400460
0.540.650.800.871.021.201.401.551.651.742.102.682.883.303.85
4.164.886.208.40
10.2013.30
222426283032343638404448566472
8090
112144168192
1F1F1F1F1F1F1F1F1F1F1F1F2F2F2F
222222
56.0261.1266.2171.3076.3981.4986.5891.6796.77
101.86112.05122.23142.60162.97183.35
203.72229.18285.21366.69427.81488.92
121212151515151515151515151515
151518202020
293032343640444650505050606063
606060606060
54.759.864.970.175.180.285.290.395.4
100.5110.7120.9141.2161.6182.0
202.4227.8283.8365.3426.4487.6
6066707582879197
102106120128150168192
––––––
383838383838383838383838383838
383838383838
434548505560667075757575909095
100100100100100100
____________
116137158
180204254336400460
0.690.841.001.121.321.531.801.992.232.402.803.204.044.575.46
5.736.577.809.78
12.4715.00
P22-8M-30P24-8M-30P26-8M-30P28-8M-30P30-8M-30P32-8M-30P34-8M-30P36-8M-30P38-8M-30P40-8M-30P44-8M-30P48-8M-30P56-8M-30P64-8M-30P72-8M-30
P80-8M-30P90-8M-30
P112-8M-30P144-8M-30P168-8M-30P192-8M-30
484848484848484848484848484848
484848484848
222426283032343638404448566472
8090
112144168192
1F1F1F1F1F1F1F1F1F1F1F1F3F3F3F
333333
56.0261.1266.2171.3076.3981.4986.5891.6796.77
101.86112.05122.23142.60162.97183.35
203.72229.18285.21366.69427.81488.92
293032343640444650505054606767
666666667278
54.759.864.970.175.180.285.290.395.4
100.5110.7120.9141.2161.6182.0
202.4227.8283.8365.3426.4487.6
6066707582879197
102106120128150168192
––––––
606060606060606060606060606060
606060606060
707070707070707070707070606060
606060606060
____________
181818
181818202020
43454850556066707575758090
100100
110110110110120130
____________
116137158
180204254336400460
1.001.231.501.671.972.272.692.973.233.503.904.305.576.958.00
8.909.90
12.3215.9518.0322.00
222426283032343638404448566472
8090
112144168192
56.0261.1266.2171.3076.3981.4986.5891.6796.77
101.86112.05122.23142.60162.97183.35
203.72229.18285.21366.69427.81488.92
293032343640444650505054546774
666666727278
54.759.864.970.175.180.285.290.395.4
100.5110.7120.9141.2161.6182.0
202.4227.8283.8365.3426.4487.6
6066707582879197
102106120128150168192
––––––
959595959595959595959595959595
959595959595
____________
202020
202024242424
43454850556066707575758090
100110
110110110120120130
_____________
137158
180204254336400460
1.551.902.252.553.003.574.004.504.905.206.607.609.80
11.7214.57
12.7214.2719.4022.5026.0029.00
1F1F1F1F1F1F1F1F1F1F1F1F1F3F3F
333333
8mm Pitch Pulleys for 85mm wide Belts. Ref. 8M85
8mm Pitch Pulleys for 50mm wide Belts. Ref. 8M50
8mm Pitch Pulleys for 30mm wide Belts. Ref. 8M30
8mm Pitch Pulleys for 20mm wide Belts. Ref. 8M20
Type 3/3FMaterial: Steel or Cast Iron
Type 1FMaterial: Steel
L
F
d MA dodp
F/L
d MA dodp NType 2/2F
Material: Steel or Cast Iron
L
F
d MA dodp N
CD Contents Catalogue Selection INDEX
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
1
07
9 E
ma
il s
ale
s@
cr
os
sm
or
se
.c
om
NEXTBACKINDEXTiming Belts :
283032343638404864
8090
112144192
5.105.836.607.368.138.869.90
11.04
11.8813.4615.8415.9317.3619.4723.7729.8034.6039.60
18
CatalogueNo.
No.Teeth
ZPulleyType
PitchCircle
Dia. dp
Max.Bore
d
OutsideDiameter
do
FlangeDiameter
A
PulleyWidth
F
BoreLength
L
HubDiameter
M
RimDiameter
N
ApproxWeight
kg
P28-14M-40P30-14M-40P32-14M-40P34-14M-40P36-14M-40P38-14M-40P40-14M-40P44-14M-40
P48-14M-40P56-14M-40P64-14M-40P72-14M-40P80-14M-40P90-14M-40
P112-14M-40*P144-14M-40*P168-14M-40*P192-14M-40
Min.Bore
d
14mm Pitch Pulleys for 40mm Wide Belts. Ref. 14M40
14mm Pitch Pulleys for 55mm Wide Belts. Ref. 14M55
2830323436384044
485664728090
112144168192
1F1F1F1F1F1F1F1F
2F2F2F2222222
124.78133.69142.60151.52160.43169.34178.25196.08
213.90249.55285.21320.86356.51401.07499.11641.71748.66855.62
2424242424242424
24282828282828282828
6767676767808080
82828282828282828282
122.1131.0139.9148.8157.7166.6175.5193.3
211.1246.8282.4318.1353.7398.3496.3638.9745.9852.8
128138154160168183188211
226256296_______
5454545454545454
54545454545454545454
6969696969696969
69696969696969696969
100100100100100120120120
135135135135135135135135135135
________
170207240278314358456600706813
P28-14M-55P30-14M-55P32-14M-55P34-14M-55P36-14M-55P38-14M-55P40-14M-55P44-14M-55
P48-14M-55P56-14M-55P64-14M-55P72-14M-55P80-14M-55P90-14M-55
P112-14M-55P144-14M-55P168-14M-55P192-14M-55
2830323436384044
485664728090
112144188192
1F1F1F1F1F1F1F1F
3F3F3F3333333
124.78133.69142.60151.52160.43169.34178.25196.08
213.90249.55285.21320.86356.51401.07499.11641.71748.66855.62
2424242424242424
24282828282828282828
6767676767808080
82828282828282828282
122.1131.0139.9148.8157.7166.6175.5193.3
211.1246.8282.4318.1353.7398.3496.3638.9745.9852.8
128138154160168183188211226
256296_______
7070707070707070
70707070707070707070
8585858585858585
70707070707070707070
100100100100100120120120
135135135135135135135135135135
________
170207240278314358456600706813
5.997.068.139.20
10.2711.5511.9813.37
13.5715.4318.2018.2220.1222.8528.2037.3047.0085.00
14mm Pitch Pulleys for 85mm Wide Belts. Ref. 14M85
P28-14M-85P30-14M-85P32-14M-85P34-14M-85P36-14M-85P38-14M-85P40-14M-85P44-14M-85P48-14M-85
P56-14M-85P64-14M-85P72-14M-85P80-14M-85P90-14M-85
P112-14M-85P144-14M-85P168-14M-85P192-14M-85
283032343638404448
5664728090
112144168192
1F1F1F1F1F1F1F1F1F
3F3F3333333
124.78133.69142.60151.52160.43169.34178.25196.08213.90
249.55285.21320.86356.51401.07499.11641.71748.66855.62
6767676767809090
100
9090909090909090
100
_________
323232323232323232
_________
207240278314358456600706813
8.839.73
11.2312.7314.1216.2918.2924.9326.75
24.0425.2027.3129.5532.7040.5052.2065.0085.00
122.1131.0139.9148.8157.7166.6175.5193.3211.1
246.8282.4318.1353.7398.3496.3638.9745.9852.8
128138154160168183188211
226256296_______
102102102102102102102102102
102102102102102102102102102
117117117117117117117117117
102102102102102102102102102
100100100100100120135135150
150150150150150150150150165
14mm Pitch Pulleys for 115mm Wide Belts. Ref. 14M115
128138154160168183188211226256
296_______
P28-14M-115P30-14M-115P32-14M-115P34-14M-115P36-14M-115P38-14M-115P40-14M-115P44-14M-115P48-14M-115P56-14M-115
P64-14M-115P72-14M-115P80-14M-115P90-14M-115
P112-14M-115P144-14M-115P168-14M-115P192-14M-115
28303234363840444856
64728090
112144168192
1F1F1F1F1F1F1F1F1F1F
3F3333333
124.78133.69142.60151.52160.43169.34178.25196.08213.90249.55
285.21320.86356.51401.07499.11641.71748.66855.62
6767676780809094
100100
9090909090
100100100
__________
3232323232323232
122.1131.0139.9148.8157.7166.6175.5193.3211.1246.8
282.4318.1353.7398.3496.3638.9745.9852.8
133133133133133133133133133133
133133133133133133133133
148148148148148148148148148148
133133133133133133133133
100100100100120120135140150150
150150150150150165165165
__________
240278314358456600706813
10.8011.9814.1015.8317.7620.5422.0023.4626.7529.42
34.7035.7038.2042.0053.0073.0084.50
102.00
14mm Pitch Pulleys for 170mm Wide Belts. Ref. 14M170
128138154160168183188226296_____
1F1F1F1F1F1F1F1F1F
33333
124.78133.69142.60151.52160.43169.34178.25213.90285.21
356.51401.07499.11641.71855.62
67676767809094
107120
108108108108108
_________
3238383838
122.1131.0139.9148.8157.7166.6175.5211.1282.4
353.7398.3496.3638.9852.8
187187187187187187187187187
187187187187187
202202202202202202202202202
187187187187187
100100100100120135140160180
180180200220220
_________
314358456600813
14.8016.7019.4021.8525.2028.4032.2639.5054.00
69.4071.3088.00
113.00140.00
P28-14M-170P30-14M-170P32-14M-170P34-14M-170P36-14M-170P38-14M-170P40-14M-170
* P48-14M-170* P64-14M-170
P80-14M-170P90-14M-170
P112-14M-170P144-14M-170
*P192-14M-170
Plain Bore Pulleys 14M Belts
Pulley TypesThe pulley types referred to intables are as drawings below.Suffix ‘F’ indicates pulley hasflanges. Pulleys below dividing line in tables are manufactured in cast iron, unflanged pulleysincorporate lightening holes indesign, except P80-14M-170.Std. Pulleys can be reworked tocustomers bore and keywayrequirements.
*Non-stock items, manufactured to customer order only. All dimensions in mm.Standard Pulleys can be reworked to customers bore and keyway requirements.
Type 1FMaterial: Steel
L
F
d MA dodp
Type 2/2FMaterial: Steel or Cast Iron
L
F
d MA dodp N
F/L
Type 3/3FMaterial: Cast Iron
d MA dodp N
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
1
07
9 E
ma
il s
ale
s@
cr
os
sm
or
se
.c
om
CD Contents Catalogue Selection INDEX
Type 4/4FMaterial: Steel or Cast Iron
A dp do
F
db
Pulley TypesPulley types referred to in tables are as drawings below. Suffix ‘F’ indicates pulley has flanges. Pulley below dividing line in tables are manufactured in cast iron. Pulleys over 250mm dia. incorporate lightening holes in design.
Standard Avante HTD Pulleys dimensionsPitch
Circle dp
Outside
do
Avante Pulleys forHtd Size 5M & 8M Belts
Type 3/3FMaterial: Steel or Cast Iron
19
The Avante drive system combines the advantages of Shaft Clamping Elements with a standard range of Timing Belt Pulleys, providing a uniquezero backlash connection between shafting and Timing Belt drive. Each HTD belt Pulley is finish bored to suit one size of Clamping Element ofthe ACE81 series, each of which is available with several metric bore sizes.The combination eliminates the need for keys, circlips or stepped shafts for Pulley location, and permits timing of the finished drive, and simpleadjustment to the timing at latter times. The total lack of either rotary or axial free play makes the drives well suited to torque reversal and timingapplications. Simple synchronisation of drives is achieved and the design enables quick easy assembly and removal of Pulleys on the shafting.
ApproxWeight
kg
Dimensions mmClampingElement
Size
Avante Clamping Element dimensions
ACE81 -x26ACE81 -x38ACE81 -x38HACE81 -x52ACE81 -x72
d max
SurfacePressure
HubN/mm2
Clamping Screws
No Torque
Nm
Size
AxialStrength
FkND D2 L L1 L3 X
2030304260
2638385272
40.557.057.070.596.5
31.539525268
1414272737
27.533464660
1218181818
14.5223344105
100104817999
646810
M4M6M6M6M8
517171741
0.220.320.400.601.50
*The Clamping Element part No. combinesthe unit size with the bore size replacing the dash. e.g. a 24mm bored size 38H unit has part No. ACE81-24x38H and will fit all pulleys showing bush ref. -x38H
dT
ACE81 -x26 mmNm
1180
1287
14102
15108
16116
18130
19138
20145
dT
ACE81 -x38 mmNm
19210
20220
22242
24265
25276
28309
30331
dT
ACE81 -x38H mmNm
19314
20331
22364
24397
25413
28465
30497
dT
ACE81 -x52 mmNm
24529
25552
28618
30662
32706
35772
38839
40883
42926
dT
ACE81 -x72 mmNm
281462
301567
321671
351828
381985
402089
422194
452350
482506
502611
552872
603133
Standard bore sizes, with transmittable torques ‘T’
CatalogueNo.
No.Teeth
Z
PulleyType
ACE81BushRef.
PulleyWidth
F
Flange
A
Hub
db
Rim
N
C/Bore
C
C/BoreDepth
E
Approx.Weight
kg
A24-5M-09A26-5M-09A28-5M-09A30-5M-09A32-5M-09A36-5M-09A40-5M-09
A44-5M-09A48-5M-09A60-5M-09A72-5M-09
24262830323640
44486072
4F4F4F4F4F4F4F
4444
-x26-x26-x26-x26-x38-x38-x38
-x38-x38-x38-x38
38.2041.3844.5647.7550.9357.3063.66
70.0376.3995.49
114.59
37.140.243.446.649.856.262.5
68.975.394.4
113.5
43444851566070____
14.514.514.514.514.514.514.5
14.514.514.514.5
26262626383838
38383838
_______
____
_______
____
_______
____
_______
____
0.060.080.110.130.090.150.22
0.270.350.630.98
A24-5M-15A26-5M-15A28-5M-15A30-5M-15A32-5M-15A36-5M-15A40-5M-15
A44-5M-15A48-5M-15A60-5M-15A72-5M-15
24262830323640
44486072
4F4F4F4F4F4F4F
4444
-x26-x26-x26-x26-x38-x38-x38
-x38-x38-x38-x38
38.2041.3844.5647.7550.9357.3063.66
70.0376.3995.49
114.59
37.140.243.446.649.856.262.5
68.975.394.4
113.5
43444851566070____
20.520.520.520.520.520.520.5
20.520.520.520.5
26262626383838
38383838
_______
____
_______
____
_______
____
_______
____
0.080.110.150.180.120.210.30
0.380.500.901.39
5mm Pitch Pulleys for 25mm Wide Belts. Ref. 5M25
A24-5M-25A26-5M-25A28-5M-25A30-5M-25A32-5M-25A36-5M-25A40-5M-25
A44-5M-25A48-5M-25A60-5M-25A72-5M-25
24262830323640
44486072
4F4F4F4F4F4F4F
4444
-x26-x26-x26-x26-x38H-x38H-x38H
-x38H-x38H-x38H-x38H
38.2041.3844.5647.7550.9357.3063.66
70.0376.3995.49
114.59
37.140.243.446.649.856.262.5
68.975.394.4
113.5
43444851566070____
30.530.530.530.530.530.530.5
30.530.530.530.5
26262626383838
38383838
_______
____
_______
____
_______
____
_______
____
0.120.160.210.260.170.300.44
0.570.741.332.07
8mm Pitch Pulleys for 20mm Wide Belts. Ref. 8M20
A22-8M-20A24-8M-20A26-8M-20A28-8M-20A30-8M-20A32-8M-20A34-8M-20A36-8M-20A38-8M-20A40-8M-20A44-8M-20A48-8M-20A56-8M-20A64-8M-20A72-8M-20
A80-8M-20A90-8M-20
A112-8M-20
222426283032343638404448566472
8090
112
4F4F4F4F4F4F4F4F4F4F4F4F3F3F3F
333
-x38H-x38H-x38H-x38H-x52-x52-x52-x52-x52-x52-x52-x52-x52-x52-x52
-x52-x52-x52
56.0261.1266.2171.3076.3981.4986.5891.6796.77
101.86112.05122.23142.60162.97183.35
203.72229.18285.21
54.759.864.970.175.180.285.290.395.4
100.5110.7120.9141.2161.6182.0
202.4227.8283.8
6266717582879198
102110120128150168192___
28.028.028.028.028.028.028.028.028.028.028.028.028.028.028.0
28.028.028.0
383838385252525252525252525252
525252
____________
808080
909090
____________
116137158
180204254
_______________
___
_______________
___
0.230.330.430.550.450.590.730.881.041.211.571.972.272.863.52
4.305.365.55
L
d D
L3L1
D2
PulleyBore
db
d MA dodp N
5mm Pitch Pulleys for 9mm Wide Belts. Ref. 5M09
5mm Pitch Pulleys for 15mm Wide Belts. Ref. 5M15
F
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
1
07
9 E
ma
il s
ale
s@
cr
os
sm
or
se
.c
om
CD Contents Catalogue Selection INDEX
A22-8M-50A24-8M-50A26-8M-50A28-8M-50A30-8M-50A32-8M-50A34-8M-50A36-8M-50A38-8M-50A40-8M-50A44-8M-50A48-8M-50A56-8M-50A64-8M-50A72-8M-50
A80-8M-50A90-8M-50
A112-8M-50
-x72-x72-x72-x72-x72-x72-x72-x72
-x72-x72-x72-x72-x72-x72-x72
-x72-x72-x72-x72-x72-x72-x72-x72
-x72-x72-x72-x72-x72-x72-x72
Pulley TypesThe pulley types referred to in tables are as drawings below. Suffix ‘F’ indicates pulley has flanges. Pulley below dividing line in tables are manufactured in cast iron, pulleys over 250mm dia incorporate lightening holes in design.
Type 15/15FMaterial: Steel or Cast Iron
Type 16FMaterial: Cast Iron
Pulley InstallationSlacken screws in clamping element by two turns, removing one completely and fit into empty thread release hole tighteningthis screw so as to keep the inner and outer cones apart. Ensure all contact surfaces are clean, and lightly oiled with clean thinunmodified oil. Insert clamping element in hub and fit on shaft. Remove screw from release hole and refit in original hole.Position Pulley and tighten all screws finger tight so pulley can still be moved on shaft. Correct and accurate installation ofTiming Drives is essential. Pulley alignment and shaft parallelism are important to ensure even loading across belt width, andavoid edge wear of belts on flanges. Pulley alignment can be checked by placing a straight edge against the outside edge of the pulleys and adjusting so contact is even across both pulleys. When the pulleys are correctly aligned they can be locked tothe shafts by tightening all clamping screws evenly in a diametrically opposite sequence using torque wrench set initially at half catalogue clamping screw torque, then 3/4 value, and finally full torque. No movement of pulleys will occur during clamping.
Avante Pulleys for HTD Size 8M & 14M Belts
20
A28-14M-85A30-14M-85A32-14M-85A34-14M-85A36-14M-85A38-14M-85A40-14M-85A44-14M-85
A48-14M-85A56-14M-85
909095
100100100
____________
ACE81BushRef.
8mm Pitch Pulleys for 30mm Wide Belts. Ref. 8M30
CatalogueNo.
No.Teeth
Z
PulleyType
PitchCircle
dp
Outside
do
PulleyWidth
F
PulleyBore
db
Flange
A
Hub
M
Rim
N
C/Bore
C
C/BoreDepth
E
Approx.Weight
kg
A22-8M-30A24-8M-30A26-8M-30A28-8M-30A30-8M-30A32-8M-30A34-8M-30A36-8M-30A38-8M-30A40-8M-30A44-8M-30A48-8M-30A56-8M-30A64-8M-30A72-8M-30
A80-8M-30A90-8M-30
A112-8M-30
8mm Pitch Pulleys for 50mm Wide Belts. Ref. 8M50
222426283032343638404448566472
8090
112
4F4F4F4F4F4F4F4F4F4F4F4F3F3F3F
333
-x38H-x38H-x38H-x38H-x52-x52-x52-x52-x52-x72-x72-x72-x72-x72-x72
-x72-x72-x72
56.0261.1266.2171.3076.3981.4986.5891.6796.77
101.86112.05122.23142.60162.97183.35
203.72229.18285.21
54.759.864.970.175.180.285.290.395.4
100.5110.7120.9141.2161.6182.0
202.4227.8283.8
6266717582879198
102110120128150168192___
38.038.038.038.038.038.038.038.038.038.038.038.038.038.038.0
38.038.038.0
116137158
180204254
____________
_______________
___
_______________
___
0.310.440.580.740.610.790.981.181.401.041.542.082.553.234.11
4.956.186.79
383838385252525252727272727272
727272
222426283032343638404448566472
8090
112
4F4F4F4F4F4F4F4F4F4F4F6F
15F15F15F
151515
-x38H-x38H-x38H-x38H-x52-x52-x52-x52-x72-x72-x72-x72-x72-x72-x72
-x72-x72-x72
56.0261.1266.2171.3076.3981.4986.5891.6796.77
101.86112.05122.23142.60162.97183.35
203.72229.18285.21
54.759.864.970.175.180.285.290.395.4
100.5110.7120.9141.2161.6182.0
202.4227.8283.8
6266717582879198
102110120128150168192___
60.060.060.060.060.060.060.060.060.060.060.060.060.060.060.0
60.060.060.0
90100100
110110110
____________ 99
999999
999999
383838385252525272727272727272
727272
116137158
180204254
____________
___________
22.522.522.522.5
22.522.522.5
___________
0.470.680.901.150.951.231.531.851.271.632.412.623.825.246.31
7.829.59
10.68
14mm Pitch Pulleys for 40mm Wide Belts. Ref. 14M40
A28-14M-40A30-14M-40A32-14M-40A34-14M-40A36-14M-40A38-14M-40A40-14M-40A44-14M-40
A48-14M-40A56-14M-40A64-14M-40A72-14M-40A80-14M-40A90-14M-40
A112-14M-40
2830323436384044
485664728090
112
4F4F4F4F4F4F4F4F
3F3F3F3333
124.78133.69142.60151.52160.43169.34178.25196.08
213.90249.55285.21320.86356.51401.07499.11
122.1131.0139.9148.8157.7166.6175.5193.3
211.1246.8282.4318.1353.7398.3496.3
128140156159168183192211
226256296____
54.054.054.054.054.054.054.054.0
54.054.054.054.054.054.054.0
7272727272727272
72727272727272
135135135135135135135
170207240278314358456
2.83.54.35.16.06.97.9
10.0
9.912.114.914.015.818.424.6
14mm Pitch Pulleys for 55mm Wide Belts. Ref. 14M55
A28-14M-55A30-14M-55A32-14M-55A34-14M-55A36-14M-55A38-14M-55A40-14M-55A44-14M-55
A48-14M-55A56-14M-55A64-14M-55A72-14M-55A80-14M-55A90-14M-55
A112-14M-55
2830323436384044
485664728090
112
6F6F6F6F6F6F6F6F
15F15F15F15151515
124.78133.69142.60151.52160.43169.34178.25196.08
213.90249.55285.21320.86356.51401.07499.11
122.1131.0139.9148.8157.7166.6175.5193.3
211.1246.8282.4318.1353.7398.3496.3
128140156159168183192211
226256296____
70.070.070.070.070.070.070.070.0
70.070.070.070.070.070.070.0
7272727272727272
72727272727272
135135135135135135135
170207240278314358456
9999999999999999
99999999999999
22.522.522.522.522.522.522.522.5
22.522.522.522.522.522.522.5
3.03.94.96.07.18.39.6
12.3
12.014.617.917.519.823.231.3
14mm Pitch Pulleys for 85mm Wide Belts. Ref. 14M85
14F14F14F14F14F14F14F14F
14F16F
-x72-x72-x72-x72-x72-x72-x72-x72
-x72-x72
124.78133.69142.60151.52160.43169.34178.25196.08
213.90249.55
122.1131.0139.9148.8157.7166.6175.5193.3
211.1246.8
128140156159168183192211
226256
7272727272727272
7272
102.0102.0102.0102.0102.0102.0102.0102.0
102.0102.0 150 207
9999999999999999
9999
32.032.032.032.032.032.032.032.0
32.032.0
3.44.86.27.89.4
11.213.017.0
21.422.2
2830323436384044
4856
do
F
E
dpA db C
dodpA db NC M
E
dodpA db NC M
F
EE
do
F
E
dpA db C
E
F
Type 6FMaterial: Steel
Type 14FMaterial: Steel or Cast Iron
________
_______
________
_______
________
_______
________
________
________
________
________
________
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
1
07
9 E
ma
il s
ale
s@
cr
os
sm
or
se
.c
om
CD Contents Catalogue Selection INDEX
21
Taper Bore Pulleys forHTD Size 5M & 8M Belts
Pulley TypesThe pulley types referred to intables are as drawingsfollowing. Suffix ‘F’ indicatespulley has flanges. Pulleysbelow dividing lines in tablesare manufactured in Cast Iron,and pulleys over 300mmdiameter generally havelightening holes in web.
CatalogueNo.
5mm Pitch Pulleys for 15mm Wide Belt Ref. 5M15
8mm Pitch Pulleys for 20mm Wide Belt Ref. 8M20
8mm Pitch Pulleys for 30mm Wide Belt Ref. 8M30
8mm Pitch Pulleys for 50mm Wide Belt Ref. 8M50
8mm Pitch Pulleys for 85mm Wide Belt Ref. 8M85
No.Teeth
ZPulleyType
PitchCircle
Dia. dp
TaperBushRef.
Max.Bore
d
OutsideDiameter
do
FlangeDiameter
A
PulleyWidth
F
BoreLength
L
HubDiameter
M
RimDiameter
N
ApproxWeight
kg
34-5M-1536-5M-1538-5M-1540-5M-1544-5M-1548-5M-1556-5M-1564-5M-1572-5M-1580-5M-1590-5M-15
112-5M-15136-5M-15
3436384044485664728090
112136
9F9F9F9F9F8F8F8F88887
54.1157.3060.4863.6670.0376.3989.13
101.86114.59127.32143.24178.25216.45
53.056.259.462.568.975.387.4
100.7113.5126.2142.1177.1215.3
1008110811081108110812101210121016101610161020122012
25282828283232324242425050
22222222222222222222222020
22222222222525252525253232
–––––597080929292
110110
––––––––––––
199
0.230.230.290.380.480.500.660.851.251.702.253.203.60
57606771758393
106–––––
22-8M-2024-8M-2026-8M-2028-8M-2030-8M-2032-8M-2034-8M-2036-8M-2038-8M-2040-8M-2044-8M-2048-8M-2056-8M-2064-8M-2072-8M-20
222426283032343638404448566472
5F5F5F5F5F5F5F5F5F5F8F8F8F
11F11F
56.0261.1266.2171.3076.3981.4986.5891.6796.77
101.86112.05122.23142.60162.97183.35
54.759.864.970.175.180.285.290.395.4
100.5110.7120.9141.2161.6182.0
100811081108110811081610161016101610161020122012201220122012
252828282842424242425050505050
282828282828282828282828282828
222222222225252525253232323232
––––––––––9296
110110110
37444550586364687276–––
137158
0.260.330.390.480.580.460.600.740.871.091.301.742.682.983.52
6066707583879197
102106120128150168192
80-8M-2090-8M-20
8090
1111
203.72229.18
202.4227.8
20122012
5050
2828
3232
110110
180204
3.604.26
––
28-8M-5030-8M-5032-8M-5034-8M-5036-8M-5038-8M-5040-8M-5044-8M-5048-8M-5056-8M-5064-8M-5072-8M-50
283032343638404448566472
5F5F5F5F5F5F
13F13F13F13F13F12F
71.3076.3981.4986.5891.6796.77
101.86112.05122.23142.60162.97183.35
70.175.180.285.290.395.4
100.5110.7120.9141.2161.6182.0
121016151615161516151615201220122012251725172517
324242424242505050606060
606060606060606060606060
253838383838323232454545
–––––––––––
125
505863656872808695
116136158
0.830.710.891.161.421.751.311.862.503.705.456.22
7583879197
102106120128150168192
80-8M-5090-8M-50
112-8M-50144-8M-50168-8M-50192-8M-50
8090
112144168192
13121212
77
203.72229.18285.21366.69427.81488.92
202.4227.8283.8365.3426.4487.6
302030203020302035253525
757575759090
606060606060
515151516565
–160170170198198
180204254336395455
8.388.43
12.7516.0019.0023.00
––––––
34-8M-8536-8M-8538-8M-8540-8M-8544-8M-8548-8M-8556-8M-8564-8M-8572-8M-85
343638404448566472
13F13F13F13F13F13F13F13F13F
86.5891.6796.77
101.86112.05122.23142.60162.97183.35
85.290.395.4
100.5110.7120.9141.2161.6182.0
161516151615201220122517251725173020
424242505060606075
959595959595959595
383838323245454551
–––––––––
656872808697
116136150
1.562.042.401.952.512.904.856.768.72
9197
102106120128150168192
80-8M-8590-8M-85
112-8M-85144-8M-85168-8M-85192-8M-85
8090
112144168192
131312121212
203.72229.18285.21366.69427.81488.92
202.4227.8283.8365.3426.4487.6
302030203020352535253525
757575909090
959595959595
515151656565
––
170198198198
180204254336395455
9.8011.7413.1517.5021.0028.00
––––––
For bore sizes of Taper Bushes for above pulleys refer to page 23. Pulleys are also available with pilotbore ref. pp 16-17, and Avante Clamping Elements pp 19-20. All dimensions in mm.
22-8M-3024-8M-3026-8M-3028-8M-3030-8M-3032-8M-3034-8M-3036-8M-3038-8M-3040-8M-3044-8M-3048-8M-3056-8M-3064-8M-3072-8M-30
222426283032343638404448566472
5F5F5F5F9F9F9F9F9F9F5F5F5F8F
11F
56.0261.1266.2171.3076.3981.4986.5891.6796.77
101.86112.05122.23142.60162.97183.35
54.759.864.970.175.180.285.290.395.4
100.5110.7120.9141.2161.6182.0
100811081108121016151615161516151615161520122012201225172517
252828324242424242425050506060
383838383838383838383838383838
222222253838383838383232324545
–––––––––––––
125125
37444450––––––8690
110–
158
0.320.420.490.600.490.640.841.051.251.461.451.944.094.584.74
6066707583879197
102106120128150168192
80-8M-3090-8M-30
112-8M-30144-8M-30
8090
112144
11111111
203.72229.18285.21366.69
202.4227.8283.8365.3
2517251725172517
60606060
38383838
45454545
125125125125
180204254336
4.895.558.569.55
––––
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
1
07
9 E
ma
il s
ale
s@
cr
os
sm
or
se
.c
om
CD Contents Catalogue Selection INDEX
Type 11/11F
dp do
L
F
A M N
dp do
F/L
M N
dp do
L
F
A M N
do
F
L
A AN
*Non-stock items, manufactured to customer order only. All dimensions in mm.For 14M170 belt drives a standard range of pilot bore pulleys is available, ref page 18, alternativelytaper bore sprockets can be manufactured to order, for details of recommended dimensions contactCross+Morse Technical Department. For bore sizes of Taper Bushes refer to page 23
949898
108110120130138155170
208240280315360457600706813920
ApproxWeight
kg
RimDiameter
N
Taper Bore Pulleys forHTD Size 14M Belts
22
Pulley TypesThe pulley types referred to intables are as drawings following. Suffix ‘F’ indicates pulley has flanges. Pulleys below dividing lines in tables are manufactured in Cast iron, and pulleys over 350mmdiameter generally havelightening holes in web.
28-14M-85*29-14M-8530-14M-8532-14M-8534-14M-8536-14M-8538-14M-8540-14M-8544-14M-8548-14M-85
56-14M-8564-14M-8572-14M-8580-14M-8590-14M-85
112-14M-85144-14M-85168-14M-85192-14M-85216-14M-85
28-14M-40*29-14M-40
30-14M-4032-14M-4034-14M-4036-14M-4038-14M-4040-14M-4044-14M-4048-14M-40
*56-14M-40*64-14M-40
72-14M-4080-14M-4090-14M-40
112-14M-40144-14M-40168-14M-40192-14M-40
*216-14M-40
CatalogueNo.
No.Teeth
ZPulleyType
PitchCircle
Dia. dp
Max.Bore
d
OutsideDiameter
do
FlangeDiameter
A
PulleyWidth
F
BoreLength
L
HubDiameter
M
TaperBushRef.
14mm Pitch Pulleys for 40mm Wide Belts. Ref. 14M40
14mm Pitch Pulleys for 55mm Wide Belts. Ref. 14M55
28293032343638404448
5664728090
112144168192216
13F13F13F13F13F13F13F13F13F13F
13F12F1212121212121212
124.78129.23133.69142.60151.52160.43169.34178.25196.08213.90
249.55285.21320.86356.51401.07499.11641.71748.66855.62962.57
2012201220122012251725172517251730203020
3020302030203020302030203020302030203020
50505050606060607575
75757575757575757575
122.1126.6131.0139.9148.8157.7166.6175.5193.3211.1
246.8282.4318.1353.7398.3496.3638.9745.9852.8959.8
128138138154160168183188211226
256296________
54545454545454545454
54545454545454545454
2.182.502.903.714.225.235.906.548.009.80
13.5013.2014.7615.4617.0322.2031.0038.5046.8055.80
32323232454545455151
51515151515151515151
__________
_
170170170170170170170170170
28-14M-55*29-14M-5530-14M-5532-14M-5534-14M-5536-14M-5538-14M-5540-14M-5544-14M-5548-14M-55
56-14M-5564-14M-5572-14M-5580-14M-5590-14M-55
112-14M-55144-14M-55168-14M-55192-14M-55
*216-14M-55
28293032343638404448
5664728090
112144168192216
13F13F13F13F13F13F13F13F13F13F
13F12F12121212121212
7
124.78129.23133.69142.60151.52160.43169.34178.25196.08213.90
249.55285.21320.86356.51401.07499.11641.71748.66855.62962.57
2012201225172517251725172517251730203020
3020302030203020302030203020302030203535
50506060606060607575
75757575757575757590
122.1126.6131.0139.9148.8157.7166.6175.5193.3211.1
246.8282.4318.1353.7398.3496.3638.9745.9852.8959.8
128138138154160168183188211226
256296________
70707070707070707070
70707070707070707070
32324545454545455151
51515151515151515189
__________
_
170170170170170170170170190
94100100108110120130138155170
208240280315360457600706813920
2.402.802.953.994.965.676.767.639.37
11.26
15.0015.1816.8817.7420.4925.8236.7045.3054.9068.50
14mm Pitch Pulleys for 85mm Wide Belts. Ref. 14M85
28293032343638404448
5664728090
112144168192216
13F13F13F13F13F13F13F13F13F13F
13F12F1212121212121010
124.78129.23133.69142.60151.52160.43169.34178.25196.08213.90
249.55285.21320.86356.51401.07499.11641.71748.66855.62962.57
2517251725172517251730203020302030303030
3525352535253525352535253525352540404040
60606060607575757575
9090909090909090
100100
122.1126.6131.0139.9148.8157.7166.6175.5193.3211.1
246.8282.4318.1353.7398.3496.3638.9745.9852.8959.8
128138138154160168183188211226
256296________
102102102102102102102102102102
102102102102102102102102102102
45454545455151517676
6565656565656565
102102
___________
190190190190190190190230230
98100100108110125130138155170
210240280315360457600706813920
2.943.454.095.236.546.337.428.72
13.1216.46
18.0720.2722.1524.1726.9434.2045.5058.4092.00
105.00
14mm Pitch Pulleys for 115mm Wide Belts. Ref. 14M115
28-14M-115*29-14M-115
30-14M-11532-14M-11534-14M-11536-14M-11538-14M-11540-14M-11544-14M-11548-14M-115
56-14M-115*64-14M-115*72-14M-115
80-14M-11590-14M-115
112-14M-115144-14M-115168-14M-115192-14M-115
*216-14M-115
28293032343638404448
5664728090
112144168192216
13F13F13F13F13F13F13F13F13F13F
13F12F1212121212121212
124.78129.23133.69142.60151.52160.43169.34178.25196.08213.90
249.55285.21320.86356.51401.07499.11641.71748.66855.62962.57
2517251725172517251730203020302030303030
3535353535353535353535354040404040404040
60606060607575757575
909090909090
100100100100
122.1126.6131.0139.9148.8157.7166.6175.5193.3211.1
246.8282.4318.1353.7398.3496.3638.9745.9852.8959.8
128138138154160168183188211226
256296________
133133133133133133133133133133
133133133133133133133133133133
45454545455151517676
898989898989
102102102102
___________
190190190190190230230230230
98100100108110125130138155170
210240280315360457600706813920
4.104.655.456.238.007.188.85
10.1014.6018.20
26.3027.5029.7032.1035.7045.4062.5075.50
102.00115.00
Type 13/13F
Type 12/12F
Type 10
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
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CD Contents Catalogue Selection INDEX
5050 14 127 178 3
7/8”x
21/2” B.S.W.
17
70 7580 8590 95
100 105 110115 120 125
20 4.9 23/4 3 3/41/4
22 5.4 31/4 31/27/8
5/16
25 5.4 33/4 4 1 3/8
28 6.4 41/4 41/2 43/4 11/47/16
32 7.4 5 11/45/16*
23
Taper BushesBush Dimensions
BushNo.
Approx.Weight
kg
Bush Dimensions
Lengthmm
o.d.large endof taper
mm No. Screw SizeKeySIzemm
Grub Screws
Metric Bore Bushes Imperial Bore Sizes
Bore sizesavailable
mm Width Depth atCentre
Bore sizesavailable
inches
KeywayInches
Width Depth atSide
Keyway mm
1008 0.11 22.2 35 2
1108 0.12 22.2 38 2
1210 0.23 25.4
1215 0.35 38.1
1310 0.28 25.4
1610 0.35 25.4
1615 0.45 38.1
2012 0.68 31.8
2517 1.5 44.5
2525 1.9 63
3020 2.7 50.8
3030 3.6 76
3525 4.0 63
3535 5.0 89
4030 6.5 76
4040 7.7 102
4535 8 89
4545 10 114
5040 12 102
48 2
51 2
57 2
70 2
86 2
108 2
127 3
146 3
162 3
1/4”x
1/2” B.S.W.
1/4”x
1/2” B.S.W.
3/8”x
5/8” B.S.W.
7/16”x
7/8” B.S.W.
3/8”x
5/8” B.S.W.
3/8”x
5/8” B.S.W.
1/2”x
1” B.S.W.
5/8”x
11/4” B.S.W.
1/2”x
11/4” B.S.W.
5/8”x
13/4” B.S.W.
3/4”x
2” B.S.W.
3
3
5
5
5
6
6
8
10
12
14
9 1011 12
14 1618 19 20 22
24 25
9 1011 12
14 1618 19 20 22
24 2528
11 1214 1618 19 20 2224 25 28 30
32
14 1618 19 20 2224 25 28 303235
14 1618 19 20 2224 25 28 3032 35 38
40 42(1615 only) 42
14 15 1618 19 20 2224 25 28 3032 35 38
40 4245 48 50
19 20 2224 25 28 3032 35 38
40 4245 48 50
5560 65†
25 28 3032 35 38
40 4245 48 50
5560 6570 75
32 35 3840 42
45 48 5055
60 6570 7580 85
90
40 4245 48 50
5560 6570 7580 8590 95
100
5560 6570 7580 8590 95
100 105 110
3 1.4 3/81/2
1/81/16
4 1.8 5/83/4
3/163/32
5 2.3 7/81/4
1/8
6 2.8 1 1/41/16*
8 1.3**
3 1.4 3/81/2
1/81/16
4 1.8 5/83/4
3/163/32
5 2.3 7/8 1 1/41/8
6 2.8 11/85/16
5/64*8 3.38 1.3**
4 1.8 1/21/8
1/16
5 2.3 5/83/4
3/163/32
6 2.8 7/8 1 1/41/8
8 3.3 11/8 11/45/16
1/8
10 3.3
5 2.3 1/21/8
1/16
6 2.8 5/83/4
3/163/32
8 3.3 7/8 1 1/41/8
10 3.3 11/8 11/45/16
1/8
10 1.3** 13/83/8
1/8
5 2.3 1/21/8
1/16
6 2.8 5/83/4
3/163/32
8 3.3 7/8 1 1/41/8
10 3.3 11/8 11/45/16
1/8
12 3.3 13/8 11/23/8
1/8
12 1.3** 15/87/16
1/8*
5 2.3 3/43/16
3/32
6 2.8 7/8 1 1/41/8
8 3.3 11/8 11/45/16
1/8
10 3.3 13/8 11/23/8
1/8
12 3.3 15/8 13/47/16
5/32
14 3.8 17/8 2 1/25/32
6 2.8 7/8 1 1/41/8
8 3.3 11/8 11/45/16
1/8
10 3.3 13/8 11/23/8
1/8
12 3.8 15/8 13/47/16
5/32
14 3.8 17/8 2 1/25/32
16 4.3 21/45/8
7/32
18 4.4 23/8 21/25/8
3/16
8 3.3 11/45/16
1/8
10 3.3 13/8 11/23/8
1/8
12 3.3 15/8 13/47/16
5/32
14 3.8 17/8 2 1/25/32
16 4.3 21/4 23/8 21/25/8
7/32
18 4.4 25/8 23/4 3 3/41/4
20 4.9
10 3.3 11/23/8
1/8
12 3.3 15/8 13/47/16
5/32
14 3.8 2 1/25/32
16 4.3 21/4 23/8 21/25/8
7/32
18 4.4 23/4 3 3/41/4
20 4.9 31/4 33/87/8
5/16
22 5.4 31/27/8
1/4*25 5.412 3.3 13/4
7/165/32
14 3.8 2 1/25/32
16 4.3 21/4 23/8 21/25/8
7/32
18 4.4 23/4 3 3/41/4
20 4.9 31/4 31/27/8
5/16
22 5.4 33/4 4 1 1/4*25 5.428 6.416 4.3 21/4 23/8 21/2
5/87/32
18 4.4 23/4 3 3/41/4
20 4.9 31/4 31/27/8
5/16
22 5.4 33/4 4 1 3/8
25 5.4 41/4 41/2 11/41/4*
28 6.4
†Bore size 65mm has keyway 2.3mm deep on 2525 Bush * Shallow Key not to B.S. 46 Part 1.**Shallow Key not to B.S. 4235 Part 1.
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
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CD Contents Catalogue Selection INDEX
Minimum numberof teeth on pulley Z min
Minimum Diameterof outside idler di
Polyurethanecase
Steel Tension Members
Special ToothForm
Green Belt linear Drives
24
Green Power Polyurethane Metric BeltsThe Green Power Polyurethane Timing Belt offers a highlyefficient, high strength system for the transmission oflinear power in transfer systems.Utilising the Megadyne RPP tooth form the belts can beusedwith standard pulleys to metric pitches 5mm (5M), 8mm(8M) and 14mm(4M) with standard width belts able to handle loads up to 3,700kg with speeds up to 80m/sec.The body of the belt is Polyurethane with a hardness of 85 Shore A to provide good tooth strength to resist thehigh shock and surge loads encountered in reciprocatingdrives. High strength steel tension members provide highbreaking strength combined with low elasticity.The teeth are faced with a green nylon fabric which increases tooth strength; reduces the coefficient of frictionbetween belt and pulley, improving meshing with the pulley and reducing noise levels. The nylon has good wearproperties and ensures a clean drive media.Extensive development has resulted in a homogeneouscombination of all components, the cohesive bond imparting superior load carrying capacity giving the GreenPower Belts the ability to exceed the performance of otherbelts already in the market place.The parabolic profile of the Standard Green Power Belts hasa contact angle which increases from the base of the toothto the top, permitting an increased tooth profile comparedto other metric belts. The parabolic shape and tooth depthprovide the following advantages:-
" Reduced interference between belt and pulley improving meshing characteristics.
" Reduced noise levels." Increased resistance to tooth jumping." Increased shear strength." Increased torque capacity." Reduced installation tension. " Controlled deformation of the softer top section of the
tooth.
The belts are manufactured in a continuous process withthe steel tensile member parallel to belt edge. The openended belts are available in 50-100 metre rolls, but can be
Belt Size
U5MU8M
HPU8MU14M
Pitchmm
Tooth LengthA
mm
Tooth HeightB
mm
Belt Thick.C
mm
Tol. Thickness
mm
Min.NumberPulley Teeth
Z min
Min.DiameterOutside Idler
di mm588
14
3.355.505.509.50
23.23.2
6
3.85.45.410
+_ 0.200.300.300.40
+_+_+_
12182232
60100150250
Green Power Belt Dimensions
Standard Green Power Belt Dimensions
Cat. No Widthmm
Width Tol.mm
Working LoadFm Max. N
Breaking LoadN
Elasticitymm/m/1000N
Weightkg/m
U5M10EU5M15EU5M25EU5M30EU5M50E
U8M10EU8M15EU8M20EU8M30EU8M50EU8M85E
U8M100E
HPU8M10EHPU8M20EHPU8M30EHPU8M50EHPU8M85E
HPU8M100E
U14M40EU14M55EU14M85E
U14M115E
PitchP
mm
55555
8888888
888888
14141414
1015253050
101520305085
100
1020305085
100
405585
115
1015253050
101520305085
100
1020305085
100
405585
115
0.50.50.50.50.5
0.50.50.50.50.50.50.5
0.50.50.50.50.50.5
1.01.01.01.0
+_+_+_+_
+_+_+_+_+_+_+_
+_+_+_+_+_
+_+_+_+_+_+_
+_+_+_+_
8751330170023754750
14602190302044807100
1265015800
2000365059709370
1696019850
12300167502850036500
2680402072308050
15000
54608190
1092017290309405360063995
82501815026400462007755090750
4920067650
104550144525
4.503.001.651.450.83
2.501.951.350.850.550.320.24
2.001.050.670.430.240.21
0.320.240.140.11
0.03910.05860.09770.11720.1953
0.06570.09850.13130.19700.32830.55800.6565
0.07070.14170.21220.35280.60220.7085
0.47100.64701.00001.3553
A
Pitch p
B C
Mechanical Features ofGreen Power Linear Belts" Dimensional consistency." Low pre-tension requirement." Low noise levels." High abrasion resistance." No maintenance." High flexibility. " Linear speeds up to 80m/sec" High positional accuracy
Chemical Features of Green Power Linear Belts" Working temperatures -30°C to +85°C and up to
+110°C for short periods." High resistance to Oils and Greases." Moderate resistance to Acids and Alkaline solutions." Resistant to Ozone, UVA rays, Hydrolysis and Ageing." Non flaking, non- toxic, suitable for food and clean
room applications." The PU body is suitable for joining with other
thermoplastic materials.
Endless BeltsEndless Belts can be produced by welding open endedlengths, a multi-finger connection being used to minimisestrength loss.Also a limited range of endless manufactured bolts is available from 1.9 metre length for power transmission applications. These can be provided backed with Linatex,Tenax and softer PU compounds.
ZZ
CROSS+MORSE
Power Transmission Solutions
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CD Contents Catalogue Selection INDEX
A Green Belt used for linear application can be selected either by consideration of the loads and accelerativeforces applied to the belt, or by the power applied to the driving pulley and the speed of rotation.
Green Belt Selection Procedure
For vertical drivesCorrected value Fp = (M+ MB + Mc) a + 9.807M + FF...NIf significantly changed recheck belt width - section 6.The belt can then be specified by type - width x length e.g.
U5M 20E x 1500 - 1500mm length belt
Terms and Definitions :-a = acceleration m/secA = centre distance pulley shafts mmb = belt width cmd = bore of pulley mmdo = outside diameter of pulley mmdp = pitch diameter of pulley mmF = total force seen by belt NFF = friction forces seen by belt NFm = max. acceptable force for belt (table p23) NFp = linear driving force NFs = tooth shear resistance (see table below) N/cmFT = total force seen by belt NFx = fitting tension for belt (see p25) NL = length of belt mmLc = length of moving carriage mmLm= distance moved by carriage mmmB = unit weight of belt ( table p23) gm/mM = weight of moving components (carriage) kgMB = weight of belt length
= mB x L kgMc = compensated weight for pulley
= Mp 1+ d2
2 do2
Mp= weight of idler pulley kgN = shaft speed r.p.mp = belt pitch mmP = drive power KWV = belt/carriage linear speed m/secZ = number of teeth on pulleyZm= number of teeth in mesh with belt =12 max
(
In order to select the Green Belt it is first necessary to compiletogether, dependant on method of selection, the following relevant design parameters.
a) Is drive horizontal or verticalb) The mass of all moving parts to be moved by the belt.c) Maximum Belt velocityd) Maximum rate of acceleratione) Frictional forces due to load being movedf) Desired Pulley, diametersg) Pulley Centres/Total length of movement required h) Driving Motor Poweri) Driving Pulley speed (r.p.m.)j) Any width constrictions
Selection of Belt Considering Motor Power1) Use Power and Pulley speed to select size (pitch) of belt
from graph 1 opposite. 2) Considering the desired pulley diameter determine number
of teeth in pulley No. Teeth Z = dp x#
p 3) From Tooth Shear Resistance table against Pulley Speed
‘N’ determine value for Fs for selected belt size.4) Determine numbers of pulley teeth in mesh Zm, normally
equals z/2, Zm has a maximum Value of 125) Then Belt Width b = P x 12 x 106 mm
Fs x Zm x Z x NSelect next larger standard width to width calculated
6) Belt length L = 2A + Zxp mmWhere centre distance not specified but carriage motiondistance is, the min. pulley centre can be determined as:-
Amin = Lm + Lc + dp. mmThe belt can then be specified by type - width x length e.g.
U8M 50E X 2600 - 2600mm length belt.
Selection of Belt considering loads and accelerative forces
1) Calculate the linear drive force FpFor Horizontal drives Fp = M x a + FF NFor Vertical drives Fp = M (9.807+a)+ FF NFrom table below select size of belt for the application
2) Considering the desired pulley diameter determine numberof teeth in pulley
3) Determine Pulley speed, r.p.m. from linear speed of belt V.N = 60V x1000 r.p.m
Zxp4) From Tooth Shear Resistance table against Pulley Speed ‘N’,
determine value for Fs for selected belt size.5) Determine number of pulley teeth in mesh Zm, normally
equals Z/2. Zm has a maximum value of 12.6) Then belt width b = Fp mm
Fs x ZmSelect next larger standard width to width calculated.
7) Belt Length L = 2A + Zxp mmWhere Centre distance not specified but carriage motion distance is, the min. pulley centre distance can be determined as:-A min. = Lm + Lc +dp mm
0 - 920 500 - 3650500 - 3800
1000 - 9000
25
Drive Load RangeNSize of Belt Max Rate acceleration
m/sec2
U5MU8M
HPU8MU14M
80606040
No. Teeth Z = dp x #p
Value for Teeth Shear Resistance Fs N/cm by belt sizePulley SpeedN r.p.m U5M
020406080
100200300400500600700800900
10001100120013001400150016001700180020002200240026002800300032003400360038004000450050005500600065007000750080009000
10000
U8M HPU8M UI4M
Tooth Shear Resistance
8) Having determined a belt size and length the calculationfor linear drive force can be recalculated incorporating thebelt weight and idler pulley (the drive pulley inertia doesnot effect the belt forces, for horizontal drives.)Corrected value Fp = (M + MB + Mc) a + FF... N
(36.7036.3636.0235.6835.3435.0032.8531.5030.4529.5528.5827.7827.1026.5226.0025.5425.1324.7524.4024.0823.7823.5023.2422.7522.3121.9121.5421.1920.8620.5420.2419.9619.6819.4118.7618.1417.5316.9416.3415.7515.1514.5413.2811.97
75.7174.7273.7372.7471.7570.7665.1062.0059.7557.3555.5053.6452.0850.7349.5448.5047.5646.7045.9245.2044.5343.9043.3142.2441.2740.4039.5838.8338.1237.4436.8036.1935.6235.0433.6832.3931.1529.9328.7427.5326.3325.1122.6220.04
75.7174.7273.7372.7471.7570.7665.1062.0059.7557.3555.5053.6452.0750.7249.5448.4947.5446.6945.9045.1844.5143.8843.2942.2141.2440.3539.5338.7738.0537.3736.7236.0935.5034.9133.5232.2030.9229.6628.4127.1525.8924.6222.0019.27
139.65137.37135.03132.81130.53128.24118.00111.00105.00100.5196.0492.3989.3186.6484.2882.1780.2578.4976.8675.3473.9072.5471.2568.8166.5464.3862.3060.2958.3256.3854.4652.5450.6248.6943.8138.7733.5328.0722.34_
____
Thus for our example B to get a tension of 2,500N we must extend the belt by 215 x 0.55 = 1.375 mm/m.As the existing centres are 2500 mm the total extension will be2.5 x 1.375 = 3.44 mm.Under working conditions the total load seen by either strand of the belt equals the fitting tension + working load.
Total Load FT = Fp + Fx NFor our example FT = 2061 + 2500 = 4561N
It is imperative this load does not exceed the maximum working load FM max shown in table bottom of page 24
FM ≥ FT For U8M50E belt FM = 7100N so selection in example is o.k.,otherwise a wider belt would have been required.
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
Te
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1
21
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15
5 F
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CD Contents Catalogue Selection INDEX
U14M
U5M
U8M & HPU 8M
B) Carriage to be moved vertically by belt on 2500 mm pulley centres, Weight of carriage 100kg moves max velocity 3m/sec with max acceleration 10m/sec2 , Frictional loss 50N with pulleys to be approx 75 mm diameter.
1) Calculate driving force Fp = M(9.807+ a) + FF N
= 100(9.807+10) + 50 = 2030.7NFrom table p23 belt size should be U8M
2) Calc No. Teeth Pulley Z = dp x # = 75#=29.45 " 30 teethp 8
For 30 tooth pulley actual dp = 76.4 mm3) Determine pulley speed N = 60 V .1000 = 750 r.p.m
Z x p4) From Tooth Sheer Resistance table, p25, determine value Fs
@ 800 r.p.m = 52.085) Determine teeth in mesh Zm = z/2 = 30/2 = 15 but 12 is max6) Determine belt width b = Fp = 2030.7 = 3.25 cm
Fs x Zm 52.08 x 12 Next larger standard width is 50 mm
7) Belt length L = 2A + Z x p mm = 5240 mm8) Check corrected value for Fp including belt weight
Corrected Fp = (M + MB + Mc) a + 9.807M + FF N= (100 + 1.85 + 1.15) 10 + 9.807 x 100 + 50 N= 1030 + 981 + 50 = 2061 N
Change to original figure minimal so belt selection stands.Thus belt specification is U8M50E x 5240
Belt Selection examplesA) Belt required to drive oscillating table powered by 0.2kw motor
gearbox driving pulley at 270 r.p.m. The belt is required to havepulley centres 2000mm and pulley diameters approx 25mm.
1) By consideration of the Power and Speed values in table abovewe will select a U5M belt.
2) Considering the pulley diameter (25mm) we can determineNo.Teeth Z = dp x # = 25# = 15.7 " 16 Teeth
p 5
For 16 tooth pulley actual dp = 25.46mm.3) From Tooth Shear Resistance table, p24, determine value Fs for
pulley speed (use table values next above).@ 300r.p.m Fs = 31.50
4) Determine no teeth in mesh. As this is a conveyor with equalpulleys :- Zm = z/2 = 8
5) Belt width is from equation b = p x 12 x 106
Fs x Zm x Z x N= 0.2 x 12 x 10
31.50 x 8 x 16 x 270= 2.2 cm
next largest belt standard width = 25 mm6) Belt length L = 2A + Z x p mm
= 4080 mmThus belt specification is U5M25Ex 4080
6
Belt TensioningThe belt tension is determined by the value of the driving force Fp. The fitting tension Fx must ensure that both strands of thebelt run without sagging, as otherwise the accuracy of transmission and belt life would be compromised. Thus the fittingtension should always exceed the maximum driving force, and isapplied to both strands of the belt.
F x > FpThus in example B where Fp max is 2061N a sensible belt tension could be 2,500 N.Determining the fitting tension is simple, in that the centre distance of the pulleys is increased to a level equal to the elasticstretch of the belt under this load. Values for elasticity of belts isprovided in Std Belt Dimensions table. (Page 24)
Shaft Speed RPM min -1
Des
ign
pow
er k
w
Green Belt Selection and Application
0.01
Green Belt Selection Table
1
10
100
1000
0.1
10,0001,000100101
26
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The belts are standard construction stock length and width sizes. Other pitches, widths, and special constructions can be supplied to order. Special Constructions include: Ground-back Belts, Static Conductive, Oil Resistant, High Temperature Resistant andDouble Sided Construction. For further details contact Cross+Morse Technical Department.
3/8‚‚ Wide Belt
Classical Series Timing Belts
Classical Series Timing Belts are manufactured in 5 pitch sizes,XL (1/5), L (3/8”), H (1/2”), XH (7/8”) and XXH (11/4”). Standard stocklengths and widths are shown below, the XH and XXH Seriesbeing available to order. Although in many designs ClassicalBelts have been replaced by the new Parabolic Belts they arestill preferred on some drives due to lower cost, larger selectionstock belts and pulleys and their suitability for low torque highspeed applications.
Standard Stock Timing Belt Sizes
XL Series - 1/5” Pitch
Timing Belt ConstructionThe classical timing belt consists of four components.Cable Tension Member: A continuous helically wound glass fibrecable is the load carrying element at the heart of the belt. Thistension member provides the belt with enormous tensilestrength with a high level of flexibility.Polychloroprene Backing: A thin, strong, wear resistant polychloroprene rubber sleeve is bonded to the tension cable toprovide a flexible protection. Polychloroprene Teeth: Moulded integral with the polychloro-prene backing, made of moderately hard, shear resistant rubber compound, the teeth are accurately formed and preciselyspaced pulley engagement.Nylon Facing: A tough, wear resistant nylon duck, with lowcoefficient of friction, protects the wearing surface of the teethin the same manner as case hardening protects the surface ofsteel.
Special Construction BeltsBelts for special applications can be produced to order in minimum batch sizes.Anti- Static Belts: Belts conforming to BS 2050 Standard can be provided on all standard belt sizes. These belts are for applications where static discharges must be avoided, such aschemical plants, mines and oil refineries. High Temperature Belts: For applications in confined areas with elevated temperatures, these belts can operate at up to 120˚C.Oil Resistance Belts: For areas where belts could be subject to frequent contact with lubricating oils.
Belts with a combination of these features can also be offered.Ground Back Belts: All belts supplied by Cross+Morse have groundbacks and uniform tension member to ensure smooth running. For very sensitive drives the belt thickness tolerance can be tightened from the standard ± 0.6mm to ± 0.25mm (Class 2) or even ± 0.15mm (Class 1). These belts provide improved accuracy of drive on positioning applications.Other Pitch and Widths of Belts: Belts can also be provided in 2mmpitch MXL, 7/8 inch pitch XH and 11/4 inch pitch XXH, for replacement purposes. Widths up to mould turn (approx 400mm) can be supplied.
27
Belt LengthCode
54XL60XL70XL80XL90XL98XL
100XL102XL106XL110XL120XL130XL140XL150XL156XL160XL170XL180XL182XL190XL198XL200XL202XL210XL212XL214XL
PitchLength
mm
No.Teeth
N
1/4‚‚ Wide Belt
Cat. No Wt.gms Cat. No Wt.gms
137.16152.40177.80203.20228.60248.92254.00259.08269.24279.40304.80330.20355.60381.00396.24406.40431.80457.20462.28482.60502.92508.00513.08533.40538.48543.56
273035404549505153556065707578808590919599
100101105106107
54XL 02560XL 02570XL 02580XL 02590XL 02598XL 025
100XL 025102XL 025106XL 025110XL 025120XL 025130XL 025140XL 025150XL 025156XL 025160XL 025170XL 025180XL 025182XL 025190XL 025198XL 025200XL 025202XL 025210XL 025212XL 025214XL 025
2.02.32.62.93.33.63.73.73.94.04.44.85.15.55.75.96.26.66.77.07.37.37.47.77.87.9
54XL 03760XL 03770XL 03780XL 03790XL 03798XL 037
100XL 037102XL 037106XL 037110XL 037120XL 037130XL 037140XL 037150XL 037156XL 037160XL 037170XL 037180XL 037182XL 037190XL 037198XL 037200XL 037202XL 037210XL 037212XL 037214XL 037
2.93.33.84.44.95.35.55.65.86.06.57.07.68.28.58.79.39.8
10.010.410.911.011.111.511.711.8
TensionMember
Nylon Facing
Polychloroprene Teeth
Polychloroprene Backing
3/8‚‚ Wide BeltBelt
LengthCode
220XL228XL230XL234XL240XL250XL260XL270XL276XL290XL310XL316XL320XL330XL344XL352XL364XL380XL384XL390XL392XL434XL530XL600XL710XL
PitchLength
mm
No.Teeth
N
1/4‚‚ Wide Belt
Cat. No Wt.gms Cat. No Wt.gms
558.80579.12584.20594.36609.60635.00660.40685.80701.04736.60787.40802.64812.80838.20873.76894.08924.56965.20975.36990.60995.68
1102.361346.201524.001803.40
110114115117120125130135138145155158160165172176182190192195196217265300355
220XL 025228XL 025230XL 025234XL 025240XL 025250XL 025260XL 025270XL 025276XL 025290XL 025310XL 025316XL 025320XL 025330XL 025334XL 025352XL 025364XL 025380XL 025384XL 025390XL 025392XL 025434XL 025530XL 025600XL 025710XL 025
8.18.48.48.68.89.29.59.9
10.110.611.411.611.712.112.612.913.313.914.114.314.415.919.422.026.0
220XL 037228XL 037230XL 037234XL 037240XL 037250XL 037260XL 037270XL 037276XL 037290XL 037310XL 037316XL 037320XL 037330XL 037344XL 037352XL 037364XL 037380XL 037384XL 037390XL 037392XL 037434XL 037530XL 037600XL 037710XL 037
12.112.512.612.913.213.714.314.815.215.917.117.417.618.118.919.420.020.921.121.421.623.929.133.039.1
CROSS+MORSE
Power Transmission Solutions
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28
Classical Series Timing Belts
L Series - 3/8” Pitch
BeltLengthCode
PitchLength
mm
No.Teeth
N
1/2” Wide Belt 3/4” Wide Belt 1” Wide Belt
Cat. No. Wt. kg. Cat. No. Wt. kg. Cat. No. Wt. kg.
124L135L150L173L187L202L210L225L240L255L270L285L300L322L345L367L390L405L412L420L450L480L510L540L600L728L817L
240H270H300H330H360H390H420H450H480H510H540H570H600H630H660H700H725H750H800H850H900H
1000H1100H1120H1140H1150H1250H1400H1700H
240H 075 270H 075 300H 075330H 075360H 075390H 075420H 075450H 075480H 075510H 075540H 075570H 075600H 075630H 075660H 075700H 075725H 075750H 075800H 075850H 075900H 075
1000H 0751100H 0751120H 0751140H 0751150H 0751250H 0751400H 0751700H 075
609.60685.80762.00838.20914.40990.60
1066.801143.001219.201295.401371.601447.801524.001600.201676.401778.001841.501905.002032.002159.002286.002540.002794.002844.802895.602921.003175.003556.004318.00
485460667278849096
102108114120126132140145150160170180200220224228230250280340
.052
.058
.065
.071
.078
.084
.091
.097
.104
.110
.116
.122
.129
.135
.142
.151
.156
.161
.172
.183
.194
.215
.237
.241
.246
.248
.269
.301
.366
240H 100270H 100300H 100330H 100360H 100390H 100420H 100450H 100480H 100510H 100540H 100570H 100600H 100630H 100660H 100700H 100725H 100750H 100800H 100850H 100900H 100
1000H 1001100H 1001120H 1001140H 1001150H 1001250H 1001400H 1001700H 100
.069
.077
.088
.096
.104
.114
.120
.129
.138
.146
.155
.163
.171
.180
.189
.200
.208
.215
.229
.243
.258
.286
.315
.321
.326
.329
.358
.401
.487
240H 150270H 150300H 150330H 150360H 150390H 150420H 150450H 150480H 150510H 150540H 150570H 150600H 150630H 150660H 150700H 150725H 150750H 150800H 150850H 150900H 150
1000H 1501100H 1501120H 1501140H 1501150H 1501250H 1501400H 1501700H 150
.103
.116
.131
.142
.155
.167
.180
.193
.206
.219
.232
.245
.258
.270
.284
.301
.311
.322
.343
.365
.386
.429
.472
.481
.489
.493
.537
.601
.730
240H 200270H 200300H 200330H 200360H 200390H 200420H 200450H 200480H 200510H 200540H 200570H 200600H 200630H 200660H 200700H 200725H 200750H 200800H 200850H 200900H 200
1000H 2001100H 2001120H 2001140H 2001150H 2001250H 2001400H 2001700H 200
.137
.154
.175
.193
.207
.228
.240
.258
.275
.292
.309
.326
.343
.360
.378
.400
.415
.430
.458
.487
.515
.572
.630
.641
.653
.659
.716
.801
.973
240H 300270H 300300H 300330H 300360H 300390H 300420H 300450H 300480H 300510H 300540H 300570H 300600H 300630H 300660H 300700H 300725H 300750H 300800H 300850H 300900H 300
1000H 3001100H 3001120H 3001140H 3001150H 3001250H 3001400H 3001700H 300
.206
.231
.263
.289
.311
.341
.360
.386
.412
.438
.464
.489
.515
.540
.567
.601
.623
.644
.687
.730
.773
.859
.944
.961
.978
.9871.0731.2011.460
124 L050135 L050150 L050173 L050187 L050202 L050210 L050225 L050240 L050255 L050270 L050285 L050300 L050322 L050345 L050367 L050390 L050405 L050412 L050420 L050450 L050480 L050510 L050540 L050600 L050728 L050817 L050
124 L075135 L075150 L075173 L075187 L075202 L075210 L075225 L075240 L075255 L075270 L075285 L075300 L075322 L075345 L075367 L075390 L075405 L075412 L075420 L075450 L075480 L075510 L075540 L075600 L075728 L075817 L075
124L 100135L 100150L 100173L 100187L 100202L 100210L 100225L 100240L 100255L 100270L 100285L 100300L 100322L 100345L 100367L 100390L 100405L 100412L 100420L 100450L 100480L 100510L 100540L 100600L 100728L 100817L 100
314.33342.90381.00438.15476.25514.35533.40571.50609.60647.70685.80723.90762.00819.15876.30932.18990.60
1028.701047.751066.801143.001219.201295.401371.601524.001847.852076.45
33364046505456606468727680869298
104108110112120128136144160194218
.015
.017
.019
.020
.022
.023
.025
.026
.028
.030
.032
.034
.035
.038
.040
.043
.046
.047
.048
.049
.054
.058
.062
.065
.070
.085
.095
BeltLengthCode
Pitch Lengthmm
No.Teeth
N
1/2” Wide Belt 11/2” Wide Belt1” Wide Belt 2” Wide Belt 3” Wide Belt
Cat. No. Wt. kg. Cat. No. Wt. kg. Cat. No. Wt. kg. Cat. No. Wt. kg. Cat. No. Wt. kg.
.023
.023
.026
.030
.034
.035
.038
.039
.042
.045
.047
.049
.053
.056
.060
.063
.068
.071
.072
.074
.078
.083
.089
.093
.105
.128
.142
.031
.034
.038
.039
.044
.046
.051
.052
.056
.060
.063
.068
.070
.075
.081
.085
.091
.095
.096
.098
.105
.116
.120
.130
.139
.170
.190
Standard Stock Timing Belt Sizes
The belts are standard construction stock length and width sizes. Other pitches, widths, and special constructions can be suppliedto order. Special Constructions include: Ground-back Belts, Static Conductive, Oil Resistant, High Temperature Resistant. For further details contact Cross+Morse Technical Department. Standard Belts to XH and XXH formats can be supplied on short delivery time.
Open Ended Classical Series BeltsOpen ended classical belts are available all sizes of classical belts for application on reciprocating drives, etc. All belts operate onstandard pulleys and can be secured by clamping plates ( page 44).
Cat. No Belt Type Pitch mm Width mm No. Teeth/Metre Wt/Metre gms Std. Length
XL025EXL031EXL037EL050EL075EL100EH050EH075EH100E
XL025XL031XL037L050L075L100H050H075H100
5.085.085.089.539.539.53
12.7012.7012.70
6.47.99.5
12.719.125.412.719.125.4
196.8196.8196.8105.0105.0105.078.778.778.7
14.418.021.645.768.491.556.584.8
113.0
110m90m70m90m70m50m70m70m70m
H Series - 1/2” Pitch
CROSS+MORSE
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29
Classical Series Timing Belts
Double Sided Classical Belts Construction of these belts same as standard Classical Belts, but with teeth on both sides of the belt. Both faces of belt have nylonfacing for wear resistance. These belts enable driving of pulleys by both sides of belt.
XL Series Double Sided Belts - 1/5” Pitch
L Series Double Sided Belts - 3/8” Pitch
H Series Double Sided Belts - 1/2” Pitch
BeltLengthCode
PitchLength
mm
No.Teeth
N
1/4” Wide Belt 3/8” Wide Belt
Cat. No. Wt. kg. Cat. No. Wt. kg.
BeltLengthCode
PitchLength
mm
No.Teeth
N
1/2” Wide Belt 3/4” Wide Belt 1” Wide Belt
Cat. No. Wt. kg. Cat. No. Wt. kg. Cat. No. Wt. kg.
120XL130XL140XL150XL156XL160XL170XL180XL182XL190XL198XL200XL202XL210XL212XL214XL220XL228XL230XL234XL
304.80330.20355.60381.00396.24406.40431.80457.20462.28482.60502.92508.00513.08533.40538.48543.56558.80579.12584.20594.36
6065707578808590919599
100101105106107110114115117
124L135L150L173L187L202L210L225L240L255L270L285L300L322L345L367L390L405L412L420L450L480L510L540L600L728L817L
240H270H300H330H360H390H420H450H480H510H540H570H600H630H660H700H725H750H800H850H900H
1000H1100H1120H1140H1150H1250H1400H1700H
240H075DD270H075DD300H075DD330H075DD360H075DD390H075DD420H075DD450H075DD480H075DD510H075DD540H075DD570H075DD600H075DD630H075DD660H075DD700H075DD725H075DD750H075DD800H075DD850H075DD900H075DD
1000H075DD1100H075DD1120H075DD1140H075DD1150H075DD1250H075DD1400H075DD1700H075DD
609.60685.80762.00838.20914.40990.60
1066.801143.001219.201295.401371.601447.801524.001600.201676.401778.001841.501905.002032.002159.002286.002540.002794.002844.802895.602921.003175.003556.004318.00
485460667278849096
102108114120126132140145150160170180200220224228230250280340
.052
.058
.065
.071
.078
.084
.091
.097
.104
.110
.116
.122
.129
.135
.142
.151
.156
.161
.172
.183
.194
.215
.237
.241
.246
.248
.269
.301
.366
240H100DD270H100DD300H100DD330H100DD360H100DD390H100DD420H100DD450H100DD480H100DD510H100DD540H100DD570H100DD600H100DD630H100DD660H100DD700H100DD725H100DD750H100DD800H100DD850H100DD900H100DD
1000H100DD1100H100DD1120H100DD1140H100DD1150H100DD1250H100DD1400H100DD1700H100DD
.069
.077
.088
.096
.104
.114
.120
.129
.138
.146
.155
.163
.171
.180
.189
.200
.208
.215
.229
.243
.258
.286
.315
.321
.326
.329
.358
.401
.487
240H150DD270H150DD300H150DD330H150DD360H150DD390H150DD420H150DD450H150DD480H150DD510H150DD540H150DD570H150DD600H150DD630H150DD660H150DD700H150DD725H150DD750H150DD800H150DD850H150DD900H150DD
1000H150DD1100H150DD1120H150DD1140H150DD1150H150DD1250H150DD1400H150DD1700H150DD
.103
.116
.131
.142
.155
.167
.180
.193
.206
.219
.232
.245
.258
.270
.284
.301
.311
.322
.343
.365
.386
.429
.472
.481
.489
.493
.537
.601
.730
240H200DD270H200DD300H200DD330H200DD360H200DD390H200DD420H200DD450H200DD480H200DD510H200DD540H200DD570H200DD600H200DD630H200DD660H200DD700H200DD725H200DD750H200DD800H200DD850H200DD900H200DD
1000H200DD1100H200DD1120H200DD1140H200DD1150H200DD1250H200DD1400H200DD1700H200DD
.137
.154
.175
.193
.207
.228
.240
.258
.275
.292
.309
.326
.343
.360
.378
.400
.415
.430
.458
.487
.515
.572
.630
.641
.653
.659
.716
.801
.973
240H300DD270H300DD300H300DD330H300DD360H300DD390H300DD420H300DD450H300DD480H300DD510H300DD540H300DD570H300DD600H300DD630H300DD660H300DD700H300DD725H300DD750H300DD800H300DD850H300DD900H300DD
1000H300DD1100H300DD1120H300DD1140H300DD1150H300DD1250H300DD1400H300DD1700H300DD
.206
.231
.263
.289
.311
.341
.360
.386
.412
.438
.464
.489
.515
.540
.567
.601
.623
.644
.687
.730
.773
.859
.944
.961
.978
.9871.0731.2011.460
124L050DD135L050DD150L050DD173L050DD187L050DD202L050DD210L050DD225L050DD240L050DD255L050DD270L050DD285L050DD300L050DD322L050DD345L050DD367L050DD390L050DD405L050DD412L050DD420L050DD450L050DD480L050DD510L050DD540L050DD600L050DD728L050DD817L050DD
124L075DD135L075DD150L075DD173L075DD187L075DD202L075DD210L075DD225L075DD240L075DD255L075DD270L075DD285L075DD300L075DD322L075DD345L075DD367L075DD390L075DD405L075DD412L075DD420L075DD450L075DD480L075DD510L075DD540L075DD600L075DD728L075DD817L075DD
124L100DD135L100DD150L100DD173L100DD187L100DD202L100DD210L100DD225L100DD240L100DD255L100DD270L100DD285L100DD300L100DD322L100DD345L100DD367L100DD390L100DD405L100DD412L100DD420L100DD450L100DD480L100DD510L100DD540L100DD600L100DD728L100DD817L100DD
314.33342.90381.00438.15476.25514.35533.40571.50609.60647.70685.80723.90762.00819.15876.30932.18990.60
1028.701047.751066.801143.001219.201295.401371.601524.001847.852076.45
33364046505456606468727680869298
104108110112120128136144160194218
.015
.017
.019
.020
.022
.023
.025
.026
.028
.030
.032
.034
.035
.038
.040
.043
.046
.047
.048
.049
.054
.058
.062
.065
.070
.085
.095
BeltLengthCode
Pitch Lengthmm
No.Teeth
N
1/2” Wide Belt 11/2” Wide Belt1” Wide Belt 2” Wide Belt 3” Wide Belt
Cat. No. Wt. kg. Cat. No. Wt. kg. Cat. No. Wt. kg. Cat. No. Wt. kg. Cat. No. Wt. kg.
.022
.024
.026
.030
.034
.035
.038
.039
.042
.045
.047
.049
.053
.056
.060
.063
.068
.071
.072
.074
.078
.083
.089
.093
.105
.128
.142
.031
.034
.038
.039
.044
.046
.051
.052
.056
.060
.063
.068
.070
.075
.081
.085
.091
.095
.096
.098
.105
.116
.120
.130
.139
.170
.190
4.44.85.15.55.75.96.26.66.77.07.37.37.47.77.87.98.18.48.48.6
6.57.07.68.28.58.79.39.8
10.010.410.911.011.111.511.711.812.112.512.612.9
120XL025DD130XL025DD140XL025DD150XL025DD156XL025DD160XL025DD170XL025DD180XL025DD182XL025DD190XL025DD198XL025DD200XL025DD202XL025DD210XL025DD212XL025DD214XL025DD220XL025DD228XL025DD230XL025DD234XL025DD
120XL025DD130XL037DD140XL037DD150XL037DD156XL037DD160XL037DD170XL037DD180XL037DD182XL037DD190XL037DD198XL037DD200XL037DD202XL037DD210XL037DD212XL037DD214XL037DD220XL037DD228XL037DD230XL037DD234XL037DD
BeltLengthCode
PitchLength
mm
No.Teeth
N
1/4” Wide Belt 3/8” Wide Belt
Cat. No. Wt. kg. Cat. No. Wt. kg.
240XL250XL260XL270XL276XL290XL310XL316XL320XL330XL344XL352XL364XL380XL384XL390XL392XL434XL530XL600XL
609.60635.00660.40685.80701.04736.60787.40802.64812.80838.20873.76894.08924.26965.20975.36990.60995.68
1102.361346.201524.00
120125130135138145155158160165172176182190192195196217265300
8.89.29.59.9
10.110.611.411.611.712.112.612.913.313.914.114.314.415.919.422.0
13.213.714.314.815.215.917.117.417.618.118.919.420.020.921.121.421.623.929.133.0
240XL025DD250XL025DD260XL025DD270XL025DD276XL025DD290XL025DD310XL025DD316XL025DD320XL025DD330XL025DD344XL025DD352XL025DD364XL025DD380XL025DD384XL025DD390XL025DD392XL025DD434XL025DD530XL025DD600XL025DD
240XL037DD250XL037DD260XL037DD270XL037DD276XL037DD290XL037DD310XL037DD316XL037DD320XL037DD330XL037DD344XL037DD352XL037DD364XL037DD380XL037DD384XL037DD390XL037DD392XL037DD434XL037DD530XL037DD600XL037DD
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
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CD Contents Catalogue Selection INDEX
F
E
Classical Timing Belt Pulleys have evenly spaced grooves cut in their periphery, to make correct, positive engagement with themating teeth of the belt. Cross+Morse pulleys are manufactured with involute groove form to enable the teeth to enter and leavethe pulley with negligible friction and minimum backlash.Pulleys are available in a number of stock widths and large selection of numbers of teeth to provide maximum versatility in driveselection. Pulleys for 3/8” pitch ‘L’, and 1/2” pitch ‘H’, drives are available with pilot bore for reworking to customers requirementsor with taper bush for the complete off the shelf drive. All pulleys are precision manufactured to close tolerances to ensure concentric running, and it is important when reworking stock pulleys to accurately locate on the outside diameter to maintainconcentricity.Pulleys of non-standard widths or numbers of teeth can be supplied to order, or alternately teeth can be cut on customers blanks.All pulleys are manufactured in good quality steel except for larger pulleys where cast iron is used (1/5” pitch ‘XL’, aluminium castings). Generally pulleys up to 48 teeth are supplied with two flanges to retain the timing belt. These flanges are accuratelymachined, pressed onto the pulley bodies and retained by spin rivetting. Dimensions over and between flanges for standard pulleys are indicated below. The dimension over the flanges is generally the same as recommended width of tooth for unflanged pulleys.
ApproxWeight
kg
RimDiameter
N
Classical Timing Belt Pulleys
30
Catalogue No.No.
TeethZ
PulleyType
PitchCircle
Dia. dp
Max.Bore
d
OutsideDiameter
do
FlangeDiameter
A
PulleyWidth
F
BoreLength
L
HubDiameter
M
10XL03711XL03712XL03714XL03715XL03716XL03718XL03720XL03721XL03722XL03724XL03726XL03728XL03730XL037
32XL03736XL03740XL03742XL03744XL03748XL03760XL03772XL037
Pulley Types
Min.Bore
d
1/5” Pitch Pulleys for 3/8” Wide Belts. Ref. XL037
Belt Size
Belt Width Ref.
Belt Width
E
F min.
(1/5”) XL
XL0373/8”
10.7
14.3
L0501/2”
14.3
19.0
L0753/4”
20.8
25.5
L100
1”
27.0
32.0
H1001”
27.0
32.0
H150
11/2”
40.0
45.0
H200
2”
53.0
58.0
H300
3”
79.0
84.0
(3/8”) L (1/2”) H
Standard Pulleys for XL (1/5” pitch) Belts
1011121415161820212224262830
3236404244486072
1F1F1F1F1F1F1F1F1F1F1F1F1F1F
11122222
16.1717.7919.4022.6424.2625.8729.1132.3433.9635.5738.8142.0445.2848.51
51.7458.2164.6867.9171.1577.6297.02
116.43
4.04.04.06.06.06.06.06.06.06.06.06.06.06.0
8.08.08.08.08.08.08.08.0
6789
11121315151618202024
2525252525252525
15.717.318.922.123.825.428.631.833.535.138.341.544.848.0
51.257.764.267.470.677.196.5
115.9
2323252828323538384144485154________
14.314.314.314.314.314.314.314.314.314.314.314.314.314.3
14.314.314.314.314.314.314.314.3
19.819.819.819.819.819.819.822.222.222.222.222.222.222.2
25.425.425.425.425.425.425.425.4
9.511.012.714.315.917.520.623.823.825.427.030.030.234.9
38.038.038.038.038.038.038.038.0
______________
___
58606682
100
0.010.020.020.030.040.050.060.080.090.100.120.140.160.19
0.110.130.170.130.140.150.180.27
All dimensions in mm.Pulleys of 32 teeth and above manufactured in aluminium. Smaller pulleys in steel.All pulleys provided with 2 setscrews of 90°, 10T-12T size M3, all others M4.
L
F
d MA dp do d Mdo
FL
dp
FL
dodp N d M
Type 1(Aluminium)
Type 2(Aluminium)
Type 1F(Steel)
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
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CD Contents Catalogue Selection INDEX
L
F
d MA dp do
Type 1FMaterial: Steel
Type 2Material: Cast Iron
Webs have lightening holes
FL
dodp N d M
P10L050P12L050P13L050P14L050P15L050P16L050P17L050P18L050P19L050P20L050P21L050P22L050P24L050P26L050P28L050P30L050P32L050P36L050P40L050P44L050P48L050
P60L050P72L050P84L050P96L050
101213141516171819202122242628303236404448
60728496
30.3236.3839.4142.4545.4848.5151.5454.5757.6160.6463.6766.7072.7778.8384.8990.9697.02
109.15121.28133.40145.53
181.91218.30254.68291.06
888888
101010101010101111111111111111
14141414
1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F
2222
131519192324242727273030363838464646464646
45454545
29.635.638.741.744.747.850.853.856.859.962.965.972.078.184.190.296.3
108.4120.5132.6144.8
181.2217.5253.9290.3
37434448515457606466.5707579869197
102115128142150
____
191919191919191919191919191919191919191919
19191919
283030303032323232323232323232323232323232
42424242
202428283436364040404545555858707070707070
75757575
_____________________
163199236272
0.120.160.190.220.290.340.380.420.460.500.570.610.810.911.031.271.351.651.702.352.68
1.902.422.863.30
CatalogueNo.
31
Plain Bore Pulleys for‘L’ Series Timing Belts
Pulley TypesThe Pulley types referred to in tables are as drawings below. Suffix ‘F’ indicates pulley has flanges. Pulley below dividing line in tables are manufactured in cast iron. Std.Pulleys can be reworked tocustomers bore and keywayrequirements.
No.Teeth
Z
PulleyType
PitchCircle
Diameterdp
Min.Bore
d
MaxBore
d
OutsideDiameter
do
FlangeDiameter
A
PulleyWidth
F
BoreLength
L
HubDiameter
M
RimDiameter
N
3/8” Pitch Pulleys for 1/2” wide Belts. Ref. L050
Approx.Weight
kg
3/8” Pitch Pulleys for 3/4” wide Belts. Ref. L075
P12L075P13L075P14L075P15L075P16L075P17L075P18L075P19L075P20L075P21L075P22L075P24L075P26L075P28L075P30L075P32L075P36L075P40L075P44L075P48L075
P60L075P72L075P84L075P96L075
1213141516171819202122242628303236404448
60728496
36.3839.4142.4545.4848.5151.5454.5757.6160.6463.6766.7072.7778.8384.8990.9697.02
109.15121.28133.40145.53
181.91218.30254.68291.06
88
111111111111111111111111111111111111
14141414
1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F
2222
1519192324242727273030363838464646464646
45454545
35.638.741.744.747.850.853.856.859.962.965.972.078.184.190.296.3
108.4120.5132.6144.8
181.2217.5253.9290.3
434448515457606466.5707579869197
102115128142150
____
2525252525252525252525252525252525252525
25252525
3838383838383838383838383838383838383838
45454545
2428283436364040404545555858707070707070
75757575
____________________
163199236272
0.220.250.270.340.430.470.510.550.590.640.770.971.081.201.371.542.102.553.053.55
2.632.843.423.85
3/8” Pitch Pulleys for 1” wide Belts. Ref. L100
P12L100P13L100P14L100P15L100P16L100P17L100P18L100P19L100P20L100P21L100P22L100P24L100P26L100P28L100P30L100P32L100P36L100P40L100P44L100P48L100
P60L100P72L100P84L100P96L100
36.3839.4142.4545.4848.5151.5454.5757.6160.6463.6766.7072.7778.8384.8990.9697.02
109.15121.28133.40145.53
181.91218.30254.68291.06
88
111111111111111111111111111111111111
14141414
1519192324242727273030363838464646464646
45454545
35.638.741.744.747.850.853.856.859.962.965.972.078.184.190.296.3
108.4120.5132.6144.8
181.2217.5253.9290.3
3232323232323232323232323232323232323232
32323232
4545454545454545454545454545454545454545
45454545
2428283436364040404545555858707070707070
75757575
____________________
163199236272
0.260.300.340.410.480.550.620.700.720.770.881.161.441.561.882.082.562.683.774.32
2.903.143.704.20
434448515457606466.5707579869197
102115128142150
____
1213141516171819202122242628303236404448
60728496
1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F
2222
All dimensions in mm.Other sizes of Pulleys can be supplied on short delivery.All Pulleys can be supplied finish bored and keywayed.
Parallel bore pulleys can bemachined and fitted with bearings for idler pulleys. When using pulleys as inside idlers it is recommended that number of teeth of idler should be more than that of smaller drive pulley.
Pulley InstallationCorrect and accurate installation of Timing Drives is essential. Pulley alignment and shaft parallelism is very important as misalignment ofthe drive will cause unequal loading across the belt width and edge wear of belt on flanges. Pulley alignment can be checked by placing astraight edge against the outside edge of the pulleys and adjusting so contact made evenly across both pulleys.The shaft should be located within a rigid framework, as any distortion under load could result in a reduction of centre distance which willcause jumping of belt on pulley teeth. If idlers are used they must be locked firmly into position after correct belt tensioning. Refer to page 10 for additional information on drive installation.
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
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CD Contents Catalogue Selection INDEX
P14H100P16H100P18H100P19H100P20H100P21H100P22H100P24H100P26H100P28H100P30H100P32H100P36H100P40H100
P44H100P48H100P60H100P72H100P84H100P96H100
P120H100
d MA dp do
L
F
N
L
F
d MA dp do
Type 1FMaterial: Steel
Type 2Material: Cast Iron
FL
dodp N d M
______________
150170216263312360458
1.401.892.552.903.243.564.004.805.786.547.008.66
10.9213.50
8.069.67
13.3015.7017.1020.4027.80
8686868686868686868686868686
86868686868686
64707982.5879194
102112120128135150168
_______
2830364041434547545454545454
48547070707070
56.6064.6872.7776.8180.8584.8988.9497.02105.11113.19121.28129.36145.53161.70
177.87194.04242.55291.06339.57388.08485.10
______________
24242428282828
1F1F1F1F1F1F1F1F1F1F1F1F1F1F
2222222
No.Teeth
Z
Other sizes of Pulleys can be supplied on short delivery. All dimensions in mm.All Pulleys can be supplied finish bored and keywayed.
ApproxWeight
kg
RimDiameter
N
Plain Bore Pulleys for‘H’ Series Timing Belts
32
CatalogueNo.
PulleyType
PitchCircle
Dia. dp
Max.Bore
d
OutsideDiameter
do
FlangeDiameter
A
PulleyWidth
F
BoreLength
L
HubDiameter
M
Min.Bore
d1/2
” Pitch Pulleys for 1” Wide Belts. Ref. H100
56.6064.6872.7776.8180.8584.8988.9497.02105.11113.19121.28129.36145.53161.70
177.87194.04242.55291.06339.57388.08485.10
3232323232323232323232323232
32323232323232
1/2” Pitch Pulleys for 11
/2” Wide Belts. Ref. H150
1416181920212224262830323640
444860728496
120
1F1F1F1F1F1F1F1F1F1F1F1F1F1F
2F2F22222
1212121414141414141414141414
14141919191919
2730364041434547545454545454
48547070707070
55.263.371.475.479.583.587.695.7
103.7111.8119.9128.0144.2160.3
176.5192.7241.2289.7338.2386.7483.7
64707982.5879194
102112120128135150168
184200_____
4545454545454545454545454545
50505055556060
4045556062656872808080808080
8090
120120120120120
______________
150170216263312360458
0.670.881.151.331.401.501.701.952.432.703.203.504.655.30
3.803.706.258.85
10.0010.4813.30
P14H150P16H150P18H150P19H150P20H150P21H150P22H150P24H150P26H150P28H150P30H150P32H150P36H150P40H150
P44H150P48H150P60H150P72H150P84H150P96H150
P120H150
56.6064.6872.7776.8180.8584.8988.9497.02105.11113.19121.28129.36145.53161.70
177.87194.04242.55291.06339.57388.08485.10
4646464646464646464646464646
46464646464646
1416181920212224262830323640
444860728496
120
1F1F1F1F1F1F1F1F1F1F1F1F1F1F
2F2F22222
1919191919191919191919191919
19191924242424
2830364041434547545454545454
48547070707070
55.263.371.475.479.583.587.695.7
103.7111.8119.9128.0144.2160.3
176.5192.7241.2289.7338.2386.7483.7
64707982.5879194
102112120128135150168
184200_____
5858585858585858585858585858
58656565656565
______________
150170216263312360458
0.951.081.451.551.702.202.262.693.203.394.104.776.027.50
5.005.087.708.70
10.6413.4015.70
4245556062656872808080808080
8090120120120120120
1/2” Pitch Pulleys for 2” Wide Belts. Ref. H200
P14H200P16H200P18H200P19H200P20H200P21H200P22H200P24H200P26H200P28H200P30H200P32H200P36H200P40H200
P44H200P48H200P60H200P72H200P84H200P96H200
P120H200
56.6064.6872.7776.8180.8584.8988.9497.02105.11113.19121.28129.36145.53161.70
177.87194.04242.55291.06339.57388.08485.10
5959595959595959595959595959
59595959595959
1416181920212224262830323640
444860728496
120
1F1F1F1F1F1F1F1F1F1F1F1F1F1F
2F2F22222
2830364041434547545454545454
48547070707070
55.263.371.475.479.583.587.695.7
103.7111.8119.9128.0144.2160.3
176.5192.7241.2289.7338.2386.7483.7
64707982.5879194
102112120128135150168
184200_____
7070707070707070707070707070
70757575757575
______________
150170216263312360458
1.101.341.801.902.112.232.452.973.954.605.005.937.539.11
5.006.379.27
10.3211.7013.7018.10
4245556062656872808080808080
8090120120120120120
______________
19242428282828
1/2” Pitch Pulleys for 3” Wide Belts. Ref. H300
P14H300P16H300P18H300P19H300P20H300P21H300P22H300P24H300P26H300P28H300P30H300P32H300P36H300P40H300
P44H300P48H300P60H300P72H300P84H300P96H300
P120H300
1416181920212224262830323640
444860728496
120
55.263.371.475.479.583.587.695.7
103.7111.8119.9128.0144.2160.3
176.5192.7241.2289.7338.2386.7483.7
100100100100100100100100100100100100100100
100100100100100100100
4245556062656872808080808080
8090120120120120120
Pulley TypesThe pulley types referred to intables are as drawings below.The suffix ‘F’ indicates pulley has flanges.
Pulleys below dividing line in tables are in Cast iron, and ofspoked design. Std. Pulleys can be reworked tocustomers bore and keyway.
Type 2FMaterial: Cast Iron
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
1
07
9 E
ma
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ale
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cr
os
sm
or
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CD Contents Catalogue Selection INDEX
L
A N do dp
F
F
dp do M N
L
dp do
F/L
A
Pulley TypesPulley types referred to in tables are as drawings below. The suffix ‘F’ indicates pulley has flanges. Pulleys below dividing line in tables are manufactured in cast iron. Types 7, 10 & 12 when in cast iron have lightening holes.
Pulley InstallationCorrect and accurate installation of Timing Drives is essential. Pulley alignment and shaft parallelism is very important as misalignment ofthe drive will cause unequal loading across the belt width and edge wear of belt on flanges. Pulley alignment can be checked by placing astraight edge against the outside edge of the pulleys and adjusting so contact made evenly across both pulleys.The shaft should be located within a rigid framework, as any distortion under load could result in a reduction of centre distance which willcause jumping of belt on pulley teeth. If idlers are used they must be locked firmly into position after correct belt tensioning. Refer to page 10 for additional information on drive installation.
18L05019L05020L05021L05022L05023L05024L05025L05026L05027L05028L05030L05032L05036L05040L05048L05060L050
72L05084L05096L050
120L050
1919191919191919191919191919191919
19191919
4545484851545456606265707485978892
9292
106106
_________________
120166
202236270343
CatalogueNo.
33
Taper Bore Pulleys for‘L’ Series Timing Belts
No.Teeth
Z
PulleyType
PitchCircle
Diameterdp
TaperBushSize
MaxBore
d
OutsideDiameter
do
FlangeDiameter
A
PulleyWidth
F
BoreLength
L
HubDiameter
M
RimDiameter
N
3/8” Pitch Pulleys for 1/2” wide Belts. Ref. L050
Approx.Weight
kg
1819202122232425262728303236404860
728496
120
8F8F8F8F8F8F8F8F8F8F8F8F8F8F8F
11F7
7777
54.5757.6160.6463.6766.7069.7372.7775.8078.8381.8684.8990.9697.02
109.15121.28145.53181.91
218.30254.68291.06363.83
2828282828282828282828282828424242
42425050
53.856.859.962.965.969.072.075.078.181.184.190.296.3
108.4120.5144.8181.2
217.5253.9290.3363.1
606466.57075797982.586869197
102115128150_
____
2222222222222222222222222222252525
25253232
0.170.200.230.300.360.410.450.500.550.610.680.820.981.381.751.762.18
2.403.094.205.22
3/8” Pitch Pulleys for 3/4” wide Belts. Ref. L075
11081108110811081108110811081108110811081108110811081108161016101610
1610161020122012
18L07519L07520L07521L07522L07523L07524L07525L07526L07527L07528L07530L07532L07536L07540L07548L07560L075
72L07584L07596L075
120L075
2525252525252525252525252525252525
25252525
________________
120166
202236270343
1819202122232425262728303236404860
728496
120
9F9F9F9F9F9F9F9F9F9F9F9F9F9F9F
10F10
10777
54.5757.6160.6463.6766.7069.7372.7775.8078.8381.8684.8990.9697.02
109.15121.28145.53181.91
218.30254.68291.06363.83
2828282828282828282828282842424242
42505050
53.856.859.962.965.969.072.075.078.181.184.190.296.3
108.4120.5144.8181.2
217.5253.9290.3363.1
606466.57075797982.586869197
102115128150_
____
0.240.280.330.380.450.520.580.640.710.790.861.041.211.411.862.002.58
2.673.955.106.20
11081108110811081108110811081108110811081108110811081610161016101610
1610201020122012
2525252525252525252525252525252525
25323232
________________
9292
92106106106
3/8” Pitch Pulleys for 1” wide Belts. Ref. L100
18L10019L10020L10021L10022L10023L10024L10025L10026L10027L10028L10030L10032L10036L10040L10048L10060L100
72L10084L10096L100
120L100
3131313131323232323232323232323232
32323232
383845454852525460606571758696
120166
202236270343
1819202122232425262728303236404860
728496
120
5F5F5F5F5F5F5F5F5F5F5F5F5F5F5F
14F12
10101010
54.5757.6160.6463.6766.7069.7372.7775.8078.8381.8684.8990.9697.02
109.15121.28145.53181.91
218.30254.68291.06363.83
2828282828282828282828323242424242
50505050
53.856.859.962.965.969.072.075.078.181.184.190.296.3
108.4120.5144.8181.2
217.5253.9290.3363.1
606466.57075797982.586869197
102115128150_
____
0.250.310.360.410.470.530.600.670.730.800.870.981.181.421.902.302.95
3.604.405.907.35
11081108110811081108110811081108110811081108121012101610161016101610
2012201220122012
________________
9292
106106106106
2222222222222222222222252525252525
32323232
All dimensions in mm. For Taper Bush dimensions refer page 23.
dp do M A
FL
Type 9F
Type 8F
Type 7
Type 5F
CROSS+MORSE
Power Transmission Solutions
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CD Contents Catalogue Selection INDEX
Taper Bore Pulleys for‘H’ Series Timing Belts
16H10018H10019H10020H10021H10022H10023H10024H10025H10026H10027H10028H10030H10032H10036H10040H10044H10048H100
60H10072H10084H10096H100
120H100
161819202122232425262728303236404448
60728496
120
64.6872.7776.8180.5584.8988.9492.9897.02
101.06105.11109.15113.19121.28129.36145.53161.70177.87194.04
242.55291.06339.57388.08485.10
5F5F5F5F5F5F5F5F5F5F5F5F5F
17F17F17F10F10F
12121277
CatalogueNo.
No.Teeth
Z
PulleyType
PitchCircle
Diameterdp
TaperBushSize
MaxBore
OutsideDiameter
do
FlangeDiameter
A
PulleyWidth
F
BoreLength
L
HubDiameter
M
RimDiameter
N
1/2” Pitch Pulleys for 1” wide Belts. Ref. H100
Approx.Weight
kg
64.6872.7776.8180.5584.8988.9492.9897.02
101.06105.11109.15113.19121.28129.36145.53161.70177.87194.04
242.55291.06339.57388.08485.10
110812101210121012101210161016101610161016101610161016101610161020122012
20122012201225172517
283232323232424242424242424242425050
5050506060
63.371.474.479.583.587.691.695.799.7
103.7107.8111.8119.9128.0144.2160.3176.5192.7
241.2289.7338.2386.7483.7
707982.587919497
102106112115120128135150168184200
_____
313131313232323232323232323232323232
3434343434
222525252525252525252525252525253232
3232324545
_____________
809292
106106
106106106119119
4552566064677073.577828590.598
106121138152169
223270318366462
0.420.480.580.680.790.900.961.001.121.261.401.541.851.682.252.593.564.10
3.884.456.157.84
10.051/2
” Pitch Pulleys for 11/2” wide Belts. Ref. H150
18H15019H15020H15021H15022H15023H15024H15025H15026H15027H15028H15030H15032H15036H15040H15044H15048H150
60H15072H15084H15096H150
120H150
1819202122232425262728303236404448
60728496
120
5F5F5F5F5F5F5F5F5F5F5F5F
17F17F17F17F17F
1212121212
72.7776.8180.5584.8988.9492.9897.02
101.06105.11109.15113.19121.28129.36145.53161.70177.87194.04
242.55291.06339.57388.08485.10
12101210121012101210161016101610161016101610161016101610161020122012
20122012201225172517
3232323232424242424242424242425050
5050506060
71.474.479.583.587.691.695.799.7
103.7107.8111.8119.9128.0144.2160.3176.5192.7
241.2289.7338.2386.7483.7
7982.587919497
102106112115120128135150168184200
_____
4545454545454545454545454545454545
4646464646
2525252525252525252525252525253232
3232324545
____________
809292
106106
106106106119119
52566064677073.577828590.598
106121138152169
223270320366462
0.660.780.880.991.131.121.251.401.541.701.842.172.212.793.264.204.72
4.585.466.739.00
12.201/2
” Pitch Pulleys for 2” wide Belts. Ref. H200
18H20019H20020H20021H20022H20023H20024H20025H20026H20027H20028H20030H20032H20036H20040H20044H20048H200
60H20072H20084H20096H200
120H200
1819202122232425262728303236404448
60728496
120
5F5F5F5F5F5F5F5F5F5F5F5F5F
17F17F17F17F
1212121212
72.7776.8180.5584.8988.9492.9897.02
101.06105.11109.15113.19121.28129.36145.53161.70177.87194.04
242.55291.06339.57388.08485.10
12101210161016101610161016101610161016101610161020122012201220122517
25172517251725172517
3232424242424242424242425050505060
6060606060
71.474.479.583.587.691.695.799.7
103.7107.8111.8119.9128.0144.2160.3176.5192.7
241.2289.7338.2386.7483.7
7982.587919497
102106112115120128135150168184200
_____
5858585858585858585858585858585858
6060606060
2525252525252525252525253232323245
4545454545
_____________
102106106119
119119119119119
52566264677073.577828590.598
106121138152168
223270320366462
0.820.920.921.041.201.361.521.681.822.022.142.502.923.524.104.906.25
5.826.808.269.90
13.001/2
” Pitch Pulleys for 3” wide Belts. Ref. H300
20H30021H30022H30023H30024H30025H30026H30027H30028H30030H30032H30036H30040H30048H300
60H30072H30084H30096H300
120H300
2021222324252627283032364048
60728496
120
13F13F13F13F13F13F13F13F13F13F13F13F13F12F
1212121212
80.5584.8988.9492.9897.02
101.06105.11109.15113.19121.28129.36145.53161.70194.04
242.55291.06339.57388.08485.10
16151615161516151615161516152012201220122517251725172517
25172517251730303030
4242424242424250505060606060
6060607575
79.583.587.691.695.799.7
103.7107.8111.8119.9128.0144.2160.3192.7
241.2289.7338.2386.7483.7
87919497
102106112115120128135150168200_____
8484848484848484848484848486
8686868686
3838383838383832323245454545
4545457676
____________
119119
119119119150150
64.565677073.577828590.598
106121138165
223270320362460
1.191.501.762.002.252.492.692.502.653.153.524.946.407.10
7.459.92
11.5713.4016.50
34All dimensions in mm. For details of Taper Bushes refer to page 23
Types 10/10F
Type 11F
Type 17F
Type 12/12F
dp doF/L
A M N
Type 13F
dp do
F
A M N
L
dp do
F
A M N
L
dp do
F
N
L
A
dp do
F
M
L
NA
CROSS+MORSE
Power Transmission Solutions
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CD Contents Catalogue Selection INDEX
The ‘AT’ series of Polyurethane belts have increased tooth widthand higher strength tension members than the ‘T’ Series.The increased tooth size with resultant increased stiffness improvesmeshing with pulley teeth and enables transmission of higher powers. Increased strength tension members improve pitch accuracy and also increase power capacity. Both improvementsresult in an increase of power transmission capacity of approx 50%.Quieter operation, as a result of improved tooth meshing, andreduced polygonal effect plus ability to use narrower section belts,is combined with improved positional accuracy of power transmission, with linear accuracy better than ± 0.1mm/Metre beltlength.
Polyurethane belts are suitable for drives in a wide variety ofmachinery including Office machinery, Machine Tools, Pumps,Textile Machinery, Printing Machinery, Paper manufacturers, downto precision Camera drives and servo mechanisms.
AT10
T10
AT5
T5
T2.5
35
Polyurethane Timing Belts
Polyurethane Timing Belts are offered in three standard metric pitches, 2.5mm, 5mm, and 10mm, and also standardimperial pitch, 1/5” (XL). Belts can also be supplied in 2mm and 20mm pitch, 0.08” (MXL) and 3/8” (XL) pitch to order. In addition to the standard single sided belts, double sided beltswith moulded teeth on both sides of the belt can be supplied(T5 and T10 only) for multishaft, serpentine drives and some conveyor applications.The metric belts are offered in twodesigns ‘T’ and ‘AT’ series both using steel tension cordsencased in the polyurethane jacket with integral drive teeth.The method of manufacture ensures close control of pitchlength, which combined with the inelastic properties of thesteel tension member create a belt drive with high positionalaccuracy resulting in these belts being popular for instrumentdrives, robotics, and servo mechanisms. The imperial pitchbelts use Kevlar tension members for increased strength andflexibility making them suited to higher power applications.The metric series belts can be also supplied with Kevlar tension member if required. Polyurethane has excellent resistance to mineral oils, greases and many slight acidic solutions, it is basically non marking and resistant to crumbling making it suitable for food and cigarette processingmachines, and for paper handling in office equipment.Polyurethane belts can be used on applications with environmental temperature range -30°C, to 80°C, with belt speed up to 80 m/sec. In addition to the standard belt listed on page 37, open ended belt can be supplied for most constructions and widths, and fitted with welded attachmentsfor conveying applications and positional rack drives, refer topage 43 for further details. The low inertia of the belts and aluminium pulleys plus accurate pitching make both the endless and open ended belt ideal for the high accelerationrates encountered in robotics.The high flexibility of thepolyurethane belt enables crossed drives to be achieved (shaftsat right angles), where reasonable length centres exist and narrow width belts are used. Both high shaft speeds andpower capabilities can be achieved with the ‘T’ and ‘AT’ seriesof belts. The T2.5, T5, and AT5 belts are all able to run at up to40,000 r.p.m with AT5 belts transmitting 15kW. The T10 andAT10 belts, can operate to 15,000 r.p.m with power capacity to70kW, and higher powers of up to 200kW can be achieved with20mm pitch AT 20 belts available to special order.
1010 100 10000.01
1.0
10
100
Standard Belt Power Ratings
PO
WE
R R
ATI
NG
kW
10,000
SHAFT SPEED r.p.m.
0.1
AT Series Polyurethane Timing Belts
Belt SizeWidth x Pitch
Max. AllowableBelt Tension N.
Min. No. TeethDrive Pulley
Min dia of Idler Pulley mm
6T2.510T516T525T5
16T1025T1032T1050T1010AT516AT5 25AT5
25AT1032AT1050AT10
65330570930
1100180023003800
490840
1100350047507750
1010101012121212151515151515
1530303060606060606060
120120120
Design limits for standard Polyurethane Timing Belts.
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CD Contents Catalogue Selection INDEX
The most important factor considered when selecting a Polyurethane“T” or “AT” series belt is the tooth shear strength. The calculation ofPower capacity is based on the specific shear strength of each tooth inmesh relative to the belt width in cms. The maximum tooth shearstrength Fs must not be exceeded. Values for tooth shear strength areshown in the table at foot of the page. The ‘AT’ series belts offer ahigher tooth strength due to the larger tooth cross section. The highpitch accuracy of Polyurethane belts allows for up to 12 teeth to sharethe drive loads. Other factors which should be considered in beltselection are the number of teeth on the small pulley and diameters oftensioners/idlers pulleys. The drive design should also ensure that themaximum working load does not exceed maximum allowable tensionof the members Fm.
In order to make a selection it is first necessary to compile together the following relevant design parameters
a) Power to be transmitted P. kWb) Speed of fastest shaft N1 r.p.m.c) Drive ratio required, i - reduction or speed increase.d) Maximum pulley diameters which can be accommodated.e) Type of driver and driven equipment.f ) Shaft diameters and centre distance A
Selection of Belt Pitch and Width.
1) The size of Belt selected must always ensure maximum toothshear and tensile strengths are not exceeded, and that pulley sizes meet their criteria. Under start-up conditions normal running torques can be exceeded by 2-2.5 times with electric motors, and this must be allowed for in the calculation.Peak loads caused by oscillating and torsional loads can be up to1.7 times mean torque loads, and design factor f1* should consider this. Emergency braking systems may impose the maximum torque in the application.Speed increase drives impose heavier shock conditions, and afactor needs to be applied to cover these as below :-i = 1 to 1.5 f2 = 1.1i = 1.5 to 2.5 f2 = 1.2i = 2.5 + f2 = 1.3
* Values for f1 can be found on page 4 , Table 1.
The total design factor fd = f1 + f2 or start-up overload factor fswhich ever is highest
The design Power Pd = P x fd or fs
Using graph on page opposite select suitable belt size to transmit thedesign power at the shaft speed N1 r.p.m.
2. Select number of teeth in pulleys, by consideration of therestraints of maximum pulley diameter and shaft diameters.The minimum pulley pitch diameter should be at least twice shaft diameter. The minimum number of teeth on the pulleys is also constrained by the belt design, reference belt characteristics table opposite page.The actual pulley diameters can be obtained by referring to pulley dimension tables on pages 38 to 42 or by using formula.
Pitch dia pulley dp = Z.p mm#
The number of teeth in small and large pulleys can be determined from the drive reduction ratio i.
i = Z2
Z1
3) Determine the number of teeth in mesh on small pulley Zm
from formula
Zm = Z1 2# #
4) Determine belt tension from drive Power Pd or drive torque Md
FT = 1000.PdZ1.N1.p
or FT = 2000 Tddp
5) Determine belt width by consideration of belt tooth shear strength
belt width b = FTFs. Zm.
Polyurethane Belt DrivesSelection Procedure
36
Terms and Definitions :-A = centre distance pulley shafts mmb = belt width cmd = bore of pulley mmdp = pitch diameter of pulley mmfd = design factor fs = starting overload factor Fm = max. working tension in belt NFs = tooth shear resistance (see table below) N/cmFT = total linear force on belt Ni = drive ratio L = belt Length mmN1 = shaft speed - high speed shaft r.p.m.N2 = shaft speed - low speed shaft r.p.m.P = motor power k.w Pd = design power k.wP = belt pitch mmZ1 = no teeth on small pulley Z2 = no teeth on large pulleyZm = no teeth in mesh in small pulley
Pulley SpeedN r.p.m T2.5
(
( _ Sin 1[ Z2 _ Z1
#. A
[
from power input
from torque input
cm
T5 T10 AT5 AT10
Value for Teeth Shear Resistance Fs N/cm
020406080
100200300400500600700800900
100011001200130014001500160017001800190020002200240026002800300032003400360038004000450050005500600065007000750080009000
1000012000150001800020000
9.038.728.488.288.107.957.397.016.716.486.286.115.975.835.715.615.515.415.335.255.175.105.044.974.914.804.704.604.514.434.364.284.224.154.093.953.823.703.603.513.423.333.263.112.992.772.502.282.15
24.0023.3822.8622.4122.0121.6520.2819.3018.5517.9317.4116.9616.5616.2015.8815.5815.3115.0614.8314.6114.4014.2114.0313.8513.6913.3813.1012.8412.5912.3712.1611.9611.7711.5911.4211.0310.6810.3610.07
9.819.569.339.118.728.37____
50.5049.0047.7046.6045.7044.8041.4039.1037.2035.7034.4033.3032.4031.5030.7030.0029.3028.7028.2027.6027.1026.7026.2025.8025.4024.6023.9023.3022.7022.2021.7021.2020.7020.3019.8618.9118.0617.2816.5815.9315.3314.7614.2413.2812.42_
___
35.334.934.534.133.833.532.030.929.829.028.227.526.826.325.725.224.824.323.923.523.222.822.522.221.921.320.820.319.819.419.018.618.317.917.616.916.215.615.014.514.013.513.112.311.6____
35.334.934.534.133.833.532.030.929.829.028.227.526.826.325.725.224.824.323.923.523.222.822.522.221.921.320.820.319.819.419.018.618.317.917.616.916.215.615.014.514.013.513.112.311.6____
73.572.471.470.569.668.765.062.159.557.455.553.752.250.849.548.347.246.245.244.343.442.641.841.040.339.037.836.635.534.533.632.731.931.130.328.526.925.524.223.021.820.819.817.916.3____
Select the next largest standard width for belt.If result from below formula for belt width gives impracticalresult rework selection sequence with next sizes of belt to obtain revised width.
6) Final chain belt tension maximum Fm is not exceeded i.e.
Fm ≥ FT
7) To determine belt length refer to paragraph 5 on page 2.
CROSS+MORSE
Power Transmission Solutions
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CD Contents Catalogue Selection INDEX
37
Standard Stock Polyurethane Belts
Standard belts are available in a number of stock widths as indicated below. Formetric belts an individual belt reference number is obtained by prefixing the catalogue reference shown in tables, by its width in mm. For example a 280mmlong belt of T5 construction with 12mm width has reference:
12T5-280belt width - construction - length
For imperial pitch belts, the references are as rubber belts but prefixed ‘U’,e.g. U150XL037. Other pitches, belt lengths and widths can supplied to order,contact Cross+Morse for further information.
Cat. Ref.
T2.5-120T2.5-145T2.5-160T2.5-177T2.5-200T2.5-230T2.5-245T2.5-265T2.5-285T2.5 290T2.5-305T2.5-317T2.5-330T2.2-380T2.5-420T2.5-480T2.5-500T2.5-600T2.5-620T2.5-650T2.5-680T2.5-780T2.5-880T2.5-915T2.5-950
T2.5-1185
2.5mm Pitch Belts - Ref. T2.5
Lengthmm No. Teeth
120145160177.5200230245265285290305317.5330380420480500600620650680780880915950
1185
48586471809298
106114116122127132152168192200240248260272312352366380474
Cat. Ref.
U60-XLU70-XLU80-XLU90-XL
U100-XLU110-XLU120-XLU130-XLU140-XLU150-XLU160-XLU170-XLU180-XLU190-XLU200-XLU210-XLU220-XLU230-XLU240-XLU250-XLU260-XL
1/5” Pitch Belts -Ref. U-XL
Lengthmm No. Teeth
152.4177.8203.2228.6254.0279.4304.8330.2355.6381.0406.4431.8457.2482.6508.0533.4558.8584.2609.6635.0660.4
152.4177.8203.2228.6254.0279.4304.8330.2355.6381.0406.4431.8457.2482.6508.0533.4558.8584.2609.6635.0660.4
3035404550556065707580859095100105110115120125130
Width Ref.
253750
U-XL Belt Widthsand Weights
Belt Width Weightgms/m
6.39.512.7
142128
Open ended and long lengthfabricated belts are also availablerefer to page 43 for further details.
Cat. Ref.
T5-120T5-150T5-185T5-200T5-215T5-225T5-245T5-250T5 255T5-260T5-270T5-280T5-295T5-305T5-330T5-340T5-350T5-355T5-365T5-390T5-400T5-410*T5-420T5-455T5-460*T5-475T5-480T5-500T5-510T5-525T5-545T5-550T5-560T5-575T5-590*T5-610T5-620*T5-630T5-650T5-660T5-690T5-720T5-750*T5-780T5-815*T5-830T5-840T5-860*T5-885T5-900T5-940*T5-990
T5-1075T5-1100*T5-1200T5-1215T5-1275T5-1280T5-1315T5-1355T5-1380T5-1955
5mm Pitch Belts - Ref. T 5
Lengthmm No. Teeth
120150185200215225245250255260270280295305330340350355365390400410420455460475480500510525545550560575590610620630650660690720750780815830840860885900940990
1075110012001215127512801315135513801955
243037404345495051525456596166687071737880828491929596
100102105109110112115118122124126130132138144150156163166168172177180188198215220240243255256263271276391
Cat. Ref.
T10-260*T10-340T10-370T10-400T10-410T10-440T10-480T10-500T10-530*T10-560T10-600T10-610T10-630*T10-660*T10-680T10-690T10-700T10-720*T10-730T10-750T10-780T10-810T10-840*T10-880T10-890T10-900T10-920T10-960T10-970T10-980*T10-1010T10-1080T10-1110T10-1140T10-1150T10-1210*T10-1240*T10-1250T10-1300T10-1320*T10-1350*T10-1390T10-1400T10-1420*T10-1460T10-1500T10-1560T10-1610*T10-1750T10-1780T10-1880*T10-1960T10-2250
10mm Pitch Belts - Ref. T 1 0
Lengthmm No. Teeth
260340370400410440480500530560600610630660680690700720730750780810840880890900920960970980
10101080111011401150121012401250130013201350139014001420146015001560161017501780188019602250
263437404144485053566061636668697072737578818488899092969798
101108111114115121124125130132135139140142146150156161175178188196225
Cat. Ref.
AT5-225AT5-255AT5-280AT5-300AT5-340AT5-375AT5-390AT5-420AT5-450AT5-455AT5-500AT5-545AT5-600AT5-610AT5-660AT5-710AT5-720AT5-750AT5-780AT5-825AT5-860AT5-975
AT5-1050AT5-1125AT5-1500AT5-2000
5mm Pitch Belts - Ref. A T 5
Lengthmm No. Teeth
225255280300340375390420450455500545600610660710720750780825860975
1050112515002000
45515660687578849091
100109120122132142144150156165172195210225300400
Cat. Ref.
AT10-500AT10-560AT10-600AT10-610AT10-660AT10-700AT10-730AT10-780AT10-800AT10-840AT10-890AT10-920AT10-960AT10-980
AT10-1000AT10-1010AT10-1050AT10-1080AT10-1100AT10-1150AT10-1200AT10-1210AT10-1250AT10-1280AT10-1300AT10-1320AT10-1350AT10-1360AT10-1400AT10-1420AT10-1480AT10-1500AT10-1600AT10-1700AT10-1720AT10-1800AT10-1860AT10-1940
10mm Pitch Belts - Ref. AT10
Lengthmm No. Teeth
500560600610660700730780800840890920960980
100010101050108011001150120012101250128013001320135013601400142014801500160017001720180018601940
5056606166707378808489929698
100101105108110115120121125128130132135136140142148150160170172180186194
*These belt sizes are also availablein Double Sided construction suffix ‘DD’ to Cat. No.
489668
126
387754
101
1524483463
6 915
21
Belt Widths and Weights T & AT Series
BeltType
T2.5T5T10AT5AT10
Belt Width mm
4 6 8 10 12 16 20 25 32 50 75
1219
27
1829584176
60120
85158
154
202
240
315
360
473
Figures in Belt Width column for respective type of belt are weightgms/metre length.Unshaded weights are Standard Stock width belts,shaded are to order only.
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
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1
07
9 E
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ale
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CD Contents Catalogue Selection INDEX
Avante Pulleys for MetricPolyurethane T5 and T10 BeltsThe Avante drive system combines the advantages ofShaft Clamping Elements witha standard range of Metric ‘T’Series Pulleys, providing aunique zero backlash connection. Avante T Pulleysoperate with the AvanteClamping Element,details ofwhich can be found on page 19.The system is ideal for positioning drives; and offerscost savings by elimination ofmachining for drive keys andaxial location.
Pulley TypesPulley Types referred to in thetables are as drawings below.Suffix ‘F’ indicates pulley hasflanges. All pulleys are manufactured from Aluminiumfor low weight and inertia
All dimensions in mm.
Pulley InstallationSlacken screws in clamping element by two turns, removing one completely and fit into empty thread release hole tightening this screw so as to keep the inner and outer cones apart. Ensure all contact surfaces are clean, and lightly oiled with clean thin unmodified oil. Insert clamping element in hub and fit on shaft. Remove screwfrom release hole and refit in original hole. Position Pulley and tighten all screws finger tight so pulley can still be moved on shaft. Correct and accurate installation ofTiming Drives is essential. Pulley alignment and shaft parallelism are important to ensure even loading across belt width, and avoid edge wear of belts on flanges. Pulley alignment can be checked by placing a straight edge against the outside edge of the pulleys and adjusting so contact is even across both pulleys. When the pulleys are correctly aligned they can be locked to the shafts by tightening all clamping screws evenly in a diametrically opposite sequence using torque wrench set initially at half catalogue clamping screw torque, then 3/4 value, and finally full torque.
38
ACE81BushRef.*
CatalogueNo.
No.Teeth
Z
PulleyType
PulleyWidth
F
Flange
A
Hub
M
Approx.Weight
kg
A10T5 -22A10T5 -24A10T5 -25A10T5 -26A10T5 -27A10T5 -28A10T5 -30A10T5 -32A10T5 -36A10T5 -40A10T5 -42A10T5 -44A10T5 -48A10T5 -60
4F4F4F4F4F4F4F4F4F4F4F444
Bush bore sizesminmm
maxmm
5mm Pitch Pulleys for 10mm Wide Belt Ref. 10T5
PulleyBore
db
PitchCircle
dp
Outside
do
BoreLength
L
2224252627283032364042444860
-x26-x26-x26-x26-x26-x26-x26-x26-x38-x38-x38-x38-x38-x38
1111111111111111191919191919
2020202020202020303030303030
35.0138.2039.7941.3842.9744.5647.7550.9357.3063.6666.8570.0376.3995.49
34.237.438.940.542.143.746.950.156.562.866.069.275.694.7
38.043.044.044.048.048.051.056.063.066.570.0
1515151515151515151515151515
1515151515151515151515151515
2626262626262626383838383838
0.0220.0300.0340.0390.0430.0480.0580.0680.0660.0920.1050.0980.1260.227
5mm Pitch Pulleys for 16mm Wide Belt Ref. 16T5
A16T5 -22A16T5 -24A16T5 -25A16T5 -26A16T5 -27A16T5 -28A16T5 -30A16T5 -32A16T5 -36A16T5 -40A16T5 -42A16T5 -44A16T5 -48A16T5 -60
4F4F4F4F4F4F4F4F4F4F4F444
2224252627283032364042444860
-x26-x26-x26-x26-x26-x26-x26-x26-x38-x38-x38-x38-x38-x38
1111111111111111191919191919
2020202020202020303030303030
35.0138.2039.7941.3842.9744.5647.7550.9357.3063.6666.8570.0376.3995.49
34.237.438.940.542.143.746.950.156.562.866.069.275.694.7
38.043.044.044.048.048.051.056.063.066.570.0
2121212121212121212121212121
2626262626262626383838383838
0.0270.0380.0430.0490.0550.0610.0750.0890.0860.1200.1390.1370.1770.318
2121212121212121212121212121
5mm Pitch Pulleys for 25mm Wide Belt Ref. 25T5
4F4F4F4F4F4F4F4F4F4F4F444
A25T5 -22A25T5 -24A25T5 -25A25T5 -26A25T5 -27A25T5 -28A25T5 -30A25T5 -32A25T5 -36A25T5 -40A25T5 -42A25T5 -44A25T5 -48A16T5 -60
2224252627283032364042444860
-x26-x26-x26-x26-x26-x26-x26-x26-x38-x38-x38-x38-x38-x38
1111111111111111191919191919
2020202020202020303030303030
35.0138.2039.7941.3842.9744.5647.7550.9357.3063.6666.8570.0376.3995.49
34.237.438.940.542.143.746.950.156.562.866.069.275.694.7
38.043.044.044.048.048.051.056.063.066.570.0
3030303030303030303030303030
2626262626262626383838383838
0.0340.0490.0560.0640.0730.0820.1000.1200.1150.1630.1900.1950.2520.454
3030303030303030303030303030
A16T10 -12A16T10 -14A16T10 -15A16T10 -16A16T10 -18A16T10 -19A16T10 -20A16T10 -22A16T10 -24A16T10 -25A16T10 -26A16T10 -27A16T10 -28A16T10 -30A16T10 -32A16T10 -36A16T10 -40A16T10 -44A16T10 -48A16T10 -60
4F4F4F4F4F4F4F4F4F4F4F4F4F4F4F4F4F111
1214151618192022242526272830323640444860
-x26-x26-x26-x26-x38-x38-x38-x38-x38-x38-x38-x38-x38-x38-x38-x38-x38-x52-x52-x52
1111111119191919191919191919191919242424
38.2044.5647.7550.9357.3060.4863.6670.0376.3979.5882.7685.9489.1395.49
101.86114.59127.32140.06152.79190.99
43.048.051.056.060.066.566.575.083.083.087.091.093.097.0
106.0119.0131.0
2121212121212121212121212121212121212121
2626262638383838383838383838383838525252
0.030.060.070.080.080.100.110.150.190.220.240.260.290.340.400.520.650.861.051.70
10mm Pitch Pulleys for 16mm Wide Belt Ref. 16T10
2020202030303030303030303030303030424242
36.342.745.949.155.458.661.868.274.577.780.984.187.393.6
100.0112.7125.5138.2150.9189.1
2121212121212121212121212121212121313131
8895
110
10mm Pitch Pulleys for 25mm Wide Belt Ref. 25T10
A25T10 -12A25T10 -14A25T10 -15A25T10 -16A25T10 -18A25T10 -19A25T10 -20A25T10 -22A25T10 -24A25T10 -25A25T10 -26A25T10 -27A25T10 -28A25T10 -30A25T10 -32A25T10 -36A25T10 -40A25T10 -44A25T10 -48A25T10 -60
4F4F4F4F4F4F4F4F4F4F4F4F4F4F4F4F4F444
1214151618192022242526272830323640444860
-x26-x26-x26-x26-x38H-x38H-x38H-x38H-x52-x52-x52-x52-x52-x52-x52-x52-x52-x52-x52-x52
1111111119191919242424242424242424242424
43.048.051.056.060.066.566.575.083.083.087.091.093.097.0
106.0119.0131.0
3030303030303030303030303030303030303030
2626262638383838525252525252525252525252
0.040.080.090.110.110.130.160.210.190.220.250.280.320.390.470.640.841.051.292.12
2020202030303030424242424242424242424242
36.342.745.949.155.458.661.868.274.577.780.984.187.393.6
100.0112.7125.5138.2150.9189.1
38.2044.5647.7550.9357.3060.4863.6670.0376.3979.5882.7685.9489.1395.49
101.86114.59127.32140.06152.79190.99
3030303030303030303030303030303030303030
*Refer to Page 19 for Bush details
Type 1
Type 4/4F
A dp do
F
dbd Mdp do
F
L
______________
______________
______________
______________
_________________
____________________
___
___
___
___
___
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
1
07
9 E
ma
il s
ale
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cr
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sm
or
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om
CD Contents Catalogue Selection INDEX
Approx.Weight
kgCatalogue
No.
39
Pulleys for Metric PolyurethaneT2.5 and T5 Belts
Pulley TypesThe Pulley types referred to in tables are as drawings below. Suffix ‘F’ indicates pulley has flanges. Std. Pulleys can be reworked tocustomers bore and keywayingrequirement.
No.Teeth
ZPulleyType
PitchCircle
Diameterdp
Min.Bore
d
MaxBore
d
OutsideDiameter
do
FlangeDiameter
A
PulleyWidth
F
BoreLength
L
HubDiameter
M
2.5mm Pitch Pulleys for 6mm Wide Belt Ref. 6T2.5-
6 T2.5-126 T2.5-146 T2.5-156 T2.5-166 T2.5-186 T2.5-196 T2.5-206 T2.5-226 T2.5-246 T2.5-256 T2.5-266 T2.5-286 T2.5-306 T2.5-326 T2.5-366 T2.5-406 T2.5-446 T2.5-486 T2.5-60
12141516181920222425262830323640444860
0F0F0F0F1F1F1F1F1F1F1F1F1F1F1F1F111
9.5511.1411.9412.7314.3215.1215.9217.5119.1019.8920.6922.2823.8725.4628.6531.8335.0138.2047.75
________
44446666668
45676.56.57788.599
10101314151722
16161616161616161616161616161616161616
13.015.015.016.017.520.020.022.022.025.026.026.028.032.036.038.0_
__
9.010.611.412.213.814.615.417.018.519.320.121.723.324.928.131.334.537.747.2
9999
101010101010101010101010101010
12141516101011111213141416162022242634
.003
.004
.005
.005
.006
.007
.008
.010
.012
.013
.014
.016
.018
.020
.026
.032
.040
.048
.073
5mm Pitch Pulleys for 10mm Wide Belt Ref. 10T5-10 T5-10 10 T5-1210 T5-1410 T5-1510 T5-1610 T5-1810 T5-1910 T5-2010 T5-2210 T5-2410 T5-2510 T5-2610 T5-2710 T5-2810 T5-3010 T5-3210 T5-3610 T5-4010 T5-4210 T5-4410 T5-4810 T5-60
10121415161819202224252627283032364042444860
1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F111
15.9219.1022.2823.8725.4628.6530.2431.8335.0138.2039.7941.3842.9744.5647.7550.9357.3063.6666.8470.0376.3995.49
___
6666666668888888888
579
10111314151517171719202224242626293242
15.018.221.423.024.627.829.431.034.137.438.940.642.243.746.950.156.462.866.069.275.594.6
19.523.025.028.032.032.036.036.038.042.044.044.048.048.051.054.064.066.570.0_
__
15151515151515151515151515151515151515151515
21212121212121212121212121212121212121212121
8111416182022232426262630323438384040455065
.012
.016
.019
.021
.025
.031
.036
.038
.046
.054
.058
.062
.064
.071
.075
.088
.114
.138
.153
.170
.200
.308
5mm Pitch Pulleys for 16mm Wide Belt Ref. 16T5-
16 T5-10 16 T5-1216 T5-1416 T5-1516 T5-1616 T5-1816 T5-1916 T5-2016 T5-2216 T5-2416 T5-2516 T5-2616 T5-2716 T5-2816 T5-3016 T5-3216 T5-3616 T5-4016 T5-4216 T5-4416 T5-4816 T5-60
10121415161819202224252627283032364042444860
1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F111
15.9219.1022.2823.8725.4628.6530.2431.8335.0138.2039.7941.3842.9744.5647.7550.9357.3063.6666.8470.0376.3995.49
___
6666666668888888888
579
10111314151517171719202224242626293242
15.018.221.423.024.627.829.431.034.137.438.940.642.243.746.950.156.462.866.069.275.594.6
19.523.025.028.032.032.036.036.038.042.044.044.048.048.051.054.064.066.570.0_
__
27272727272727272727272727272727272727272727
8111416182022232426262630323438384040455065
.016
.022
.027
.030
.036
.044
.050
.054
.055
.077
.082
.086
.092
.094
.106
.124
.160
.195
.206
.230
.282
.432
21212121212121212121212121212121212121212121
5mm Pitch Pulleys for 25mm Wide Belt Ref. 25T5-
25 T5-10 25 T5-1225 T5-1425 T5-1525 T5-1625 T5-1825 T5-1925 T5-2025 T5-2225 T5-2425 T5-2525 T5-2625 T5-2725 T5-2825 T5-3025 T5-3225 T5-3625 T5-4025 T5-4225 T5-4425 T5-4825 T5-60
10121415161819202224252627283032364042444860
1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F111
15.9219.1022.2823.8725.4628.6530.2431.8335.0138.2039.7941.3842.9744.5647.7550.9357.3063.6666.8470.0376.3995.49
___
6666668888888888888
579
10111314151517171719202224242626293242
15.018.221.423.024.627.829.431.034.137.438.940.642.243.746.950.156.462.866.069.275.594.6
19.523.025.028.032.032.036.036.038.042.044.044.048.048.051.054.064.066.570.0_
__
36363636363636363636363636363636363636363636
8111416182022232426262630323438384040455065
.025
.032
.038
.042
.052
.063
.072
.078
.082
.110
.117
.121
.123
.127
.152
.177
.232
.278
.296
.327
.402
.617
30303030303030303030303030303030303030303030
All pulleys machined fromaluminium for low weight andinertia, and fitted as indicatedwith steel flanges.All dimensions in mm
Type 0F
dp do
F
d MA
L
Type 1
d Mdp do
F
L
L
F
d MA dp do
Type 1F
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
1
07
9 E
ma
il s
ale
s@
cr
os
sm
or
se
.c
om
CD Contents Catalogue Selection INDEX
Pulleys for Metric PolyurethaneT10 Belts
40
CatalogueNo.
No.Teeth
Z
PulleyType
Pitch CircleDia.dp
All pulleys machined fromaluminium for low weight andinertia, and fitted as indicatedwith steel flanges.All dimensions in mm
Pulley TypesThe Pulley types referred to in tables are as drawings below. Suffix ‘F’ indicates pulley has flanges. Std. Pulleys can be reworked to customers bore and keywaying requirements.
Min.Bore
d
Max.Bore
d
Ouside Diameter
do
FlangeDia.
A
PulleyWidth
F
BoreLength
L
HubDia.M
Approx.Weight
kg
10mm Pitch Pulleys for 16mm Wide Belt Ref. 16T10
16 T10-1216 T10-1416 T10-1516 T10-1616 T10-1816 T10-1916 T10-2016 T10-2216 T10-2416 T10-2516 T10-2616 T10-2716 T10-2816 T10-3016 T10-3216 T10-3616 T10-4016 T10-4416 T10-4816 T10-60
1214151618192022242526272830323640444860
1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F111
38.2044.5647.7550.9357.3060.4863.6670.0376.3979.5882.7685.9489.1395.49
101.86114.59127.32140.06152.79190.99
68888888888888
101010101616
4248515460666675838387919397
106119131_
__
2121212121212121212121212121212121212121
1821212326283034383939393939424552576272
36.342.745.949.155.458.661.868.274.577.780.984.187.293.6
100.0112.7125.4138.2150.9189.1
3131313131313131313131313131313131313131
28323235404446525860606060606570808895
110
0.080.110.120.140.170.190.210.260.290.310.360.370.400.440.490.630.771.001.091.70
10mm Pitch Pulleys for 16mm Wide Belt Ref. 16T10
10mm Pitch Pulleys for 25mm Wide Belt Ref. 25T10
25 T10-1225 T10-1425 T10-1525 T10-1625 T10-1825 T10-1925 T10-2025 T10-2225 T10-2425 T10-2525 T10-2625 T10-2725 T10-2825 T10-3025 T10-3225 T10-3625 T10-4025 T10-4425 T10-4825 T10-60
1214151618192022242526272830323640444860
1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F111
38.2044.5647.7550.9357.3060.4863.6670.0376.3979.5882.7685.9489.1395.49
101.86114.59127.32140.06152.79190.99
68888888888888
101010101616
4248515460666675838387919397
106119131_
__
3030303030303030303030303030303030303030
1821212326283034383939393939424552576272
36.342.745.949.155.458.661.868.274.577.780.984.187.293.6
100.0112.7125.4138.2150.9189.1
28323235404446525860606060606570808895
110
0.100.140.160.180.230.250.280.340.390.420.480.540.550.640.690.871.071.351.522.34
4040404040404040404040404040404040404040
10mm Pitch Pulleys for 32mm Wide Belt Ref. 32T10-
32 T10-1832 T10-1932 T10-2032 T10-2232 T10-2432 T10-2532 T10-2632 T10-2732 T10-2832 T10-3032 T10-3232 T10-3632 T10-4032 T10-4432 T10-4832 T10-60
18192022242526272830323640444860
1F1F1F1F1F1F1F1F1F1F1F1F1F111
57.3060.4863.6670.0376.3979.5882.7685.9489.1395.49
101.86114.59127.32140.06152.79190.99
60666675838387919397
106119131_
__
55.458.661.868.274.577.780.984.187.293.6
100.0112.7125.4138.2150.9189.1
47474747474747474747474747474747
10101212121212121212121616161616
26283034383939393939424552576272
37373737373737373737373737373737
404446525860606060606570808895
110
0.260.280.320.400.480.530.570.600.640.740.851.071.321.611.933.00
10mm Pitch Pulleys for 32mm Wide Belt Ref. 32T10-
10mm Pitch Pulleys for 50mm Wide Belt Ref. 50T10
50 T10-1850 T10-1950 T10-2050 T10-2250 T10-2450 T10-2550 T10-2650 T10-2750 T10-2850 T10-3050 T10-3250 T10-3650 T10-4050 T10-4450 T10-4850 T10-60
18192022242526272830323640444860
1F1F1F1F1F1F1F1F1F1F1F1F1F111
57.3060.4863.6670.0376.3979.5882.7685.9489.1395.49
101.86114.59127.32140.06152.79190.99
60666675838387919397
106119131_
__
55.458.661.868.274.577.780.984.187.293.6
100.0112.7125.4138.2150.9189.1
10101212121212121212121616161616
26283034383939393939424552576272
56565656565656565656565656565656
404446525860606060606570808895
110
0.430.470.520.570.740.770.820.910.961.171.301.642.002.362.834.37
66666666666666666666666666666666
Pulley InstallationCorrect and accurate installation of Timing Drives is essential. Pulley alignment and shaft parallelism is very important as misalignment ofthe drive will cause unequal loading across the belt width and edge wear of belt on flanges. Pulley alignment can be checked by placing astraight edge against the outside edge of the pulleys and adjusting so contact made evenly across both pulleys.The shafts should be located within a rigid framework, as any distortion under load could result in a reduction of centre distance whichwill cause jumping of belt on pulley teeth. If idlers are used they must be locked firmly into position after correct belt tensioning. Refer to page 10 for additional information on drive installation.
Type 1
d Mdp do
F
L
L
F
d MA dp do
Type 1F
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
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CD Contents Catalogue Selection INDEX
Type 1
d Mdp do
F
L
L
F
d MA dp doType 1F
Approx.Weight
kgCatalogue
No.
41
Pulleys for Metric PolyurethaneAT 5 Belts
Pulley TypesThe Pulley types referred to in tables are as drawings below. Suffix ‘F’ indicates pulley has flanges. Std. Pulleys can be reworked tocustomers bore and keywayingrequirement.
No.Teeth
ZPulleyType
PitchCircle
Diameterdp
Min.Bore
d
MaxBore
d
OutsideDiameter
do
FlangeDiameter
A
PulleyWidth
F
BoreLength
L
HubDiameter
M
5mm Pitch Pulleys for 10mm Wide Belt Ref. 10AT 5
10AT5-1210AT5-1410AT5-1510AT5-1610AT5-1810AT5-1910AT5-2010AT5-2210AT5-2410AT5-2510AT5-2610AT5-2710AT5-2810AT5-3010AT5-3210AT5-3610AT5-4010AT5-4210AT5-4410AT5-4810AT5-60
1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F111
__
6666666668888888888
23.025.028.032.032.036.036.038.042.044.044.048.048.051.054.064.066.570.0_
__
All pulleys machined fromaluminium for low weight andinertia, and fitted as indicatedwith steel flanges.All dimensions in mm
AT Series Timing PulleysDesigned to complete the power Transmission package for theenhanced power ‘AT’ series belts, are the Cross pilot bore stockpulleys for AT5 and AT10 belt drives. The ‘AT’ series belts provide increased power capacity in aPolyurethane belt by increasing the belt tooth size and also thetension members.The increased tooth width of AT series belts increases both thestrength and stiffness of the tooth improving meshing with thepulley’s also the longer flat surface of the teeth enables bettertransmission of radial loads.
Higher strength tension members improve pitch accuracyalong with increasing the tensile strength of the belt, whichcombined with the stronger teeth enables increase in powertransmitted by approx 50% over the ‘T’ series belts.The ‘AT’ belt design provides improved accuracy in linear drives, with reduced backlash when using standard pulleys.The longer tooth reduces polygon effect which combined withthe opportunity to reduce belt width enables reduction innoise levels.Cross offer AT5 and AT10 pulleys as standard, but can alsomanufacture to customers design including AT20.
121415161819202224252627283032364042444860
19.1022.2823.8725.4628.6530.2431.8335.0138.2039.7941.3842.9744.5647.7550.9357.3063.6666.8470.0376.3995.49
79
10111314151517171719202224242626293242
18.221.423.024.627.829.431.034.137.438.940.642.243.746.950.156.462.866.069.275.594.6
151515151515151515151515151515151515151515
212121212121212121212121212121212121212121
111416182022232426262630323438384040455065
.016
.019
.021
.025
.031
.036
.038
.046
.054
.058
.062
.064
.071
.075
.088
.114
.138
.153
.170
.200
.308
5mm Pitch Pulleys for 16mm Wide Belt Ref. 16AT 5
16AT5-1216AT5-1416AT5-1516AT5-1616AT5-1816AT5-1916AT5-2016AT5-2216AT5-2416AT5-2516AT5-2616AT5-2716AT5-2816AT5-3016AT5-3216AT5-3616AT5-4016AT5-4216AT5-4416AT5-4816AT5-60
1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F111
__
6666666668888888888
23.025.028.032.032.036.036.038.042.044.044.048.048.051.054.064.066.570.0_
__
121415161819202224252627283032364042444860
19.1022.2823.8725.4628.6530.2431.8335.0138.2039.7941.3842.9744.5647.7550.9357.3063.6666.8470.0376.3995.49
79
10111314151517171719202224242626293242
18.221.423.024.627.829.431.034.137.438.940.642.243.746.950.156.462.866.069.275.594.6
272727272727272727272727272727272727272727
111416182022232426262630323438384040455065
.022
.027
.030
.036
.044
.050
.054
.055
.077
.082
.086
.092
.094
.106
.124
.160
.195
.206
.230
.282
.432
212121212121212121212121212121212121212121
5mm Pitch Pulleys for 25mm Wide Belt Ref. 25AT 5
25AT5-1225AT5-1425AT5-1525AT5-1625AT5-1825AT5-1925AT5-2025AT5-2225AT5-2425AT5-2525AT5-2625AT5-2725AT5-2825AT5-3025AT5-3225AT5-3625AT5-4025AT5-4225AT5-4425AT5-4825AT5-60
1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F111
__
6666668888888888888
23.025.028.032.032.036.036.038.042.044.044.048.048.051.054.064.066.570.0_
__
121415161819202224252627283032364042444860
19.1022.2823.8725.4628.6530.2431.8335.0138.2039.7941.3842.9744.5647.7550.9357.3063.6666.8470.0376.3995.49
79
10111314151517171719202224242626293242
18.221.423.024.627.829.431.034.137.438.940.642.243.746.950.156.462.866.069.275.594.6
363636363636363636363636363636363636363636
111416182022232426262630323438384040455065
.032
.038
.042
.052
.063
.072
.078
.082
.110
.117
.121
.123
.127
.152
.177
.232
.278
.296
.327
.402
.617
303030303030303030303030303030303030303030
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
Te
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1
21
3
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15
5 F
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CD Contents Catalogue Selection INDEX
Pulleys for Metric PolyurethaneAT10 Belts
42
CatalogueNo.
No.Teeth
Z
PulleyType
Pitch CircleDia.dp
All pulleys machined fromaluminium for low weight andinertia, and fitted as indicatedwith steel flanges.All dimensions in mm
Pulley TypesThe Pulley types referred to in tables are as drawings below. Suffix ‘F’ indicates pulley has flanges. Std. Pulleys can be reworked to customers bore and keywaying requirements.
Min.Bore
d
Max.Bore
d
Ouside Diameter
do
FlangeDia.
A
PulleyWidth
F
BoreLength
L
HubDia.M
Approx.Weight
kg
10mm Pitch Pulleys for 16mm Wide Belt Ref. 16T10
16 AT10-1516 AT10-1616 AT10-1816 AT10-1916 AT10-2016 AT10-2216 AT10-2416 AT10-2516 AT10-2616 AT10-2716 AT10-2816 AT10-3016 AT10-3216 AT10-3616 AT10-4016 AT10-4416 AT10-4816 AT10-60
151618192022242526272830323640444860
1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F111
47.7550.9357.3060.4863.6670.0376.3979.5882.7685.9489.1395.49
101.86114.59127.32140.06152.79190.99
888888888888
101010101616
515460666675838387919397
106119131_
__
212121212121212121212121212121212121
212326283034383939393939424552576272
45.949.155.458.661.868.274.577.780.984.187.293.6
100.0112.7125.4138.2150.9189.1
313131313131313131313131313131313131
3235404446525860606060606570808895
110
0.120.140.170.190.210.260.290.310.360.370.400.440.490.630.771.001.091.70
10mm Pitch Pulleys for 16mm Wide Belt Ref. 16AT10
10mm Pitch Pulleys for 25mm Wide Belt Ref. 25AT10
151618192022242526272830323640444860
1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F111
47.7550.9357.3060.4863.6670.0376.3979.5882.7685.9489.1395.49
101.86114.59127.32140.06152.79190.99
888888888888
101010101616
515460666675838387919397
106119131_
__
303030303030303030303030303030303030
212326283034383939393939424552576272
45.949.155.458.661.868.274.577.780.984.187.293.6
100.0112.7125.4138.2150.9189.1
3235404446525860606060606570808895
110
0.160.180.230.250.280.340.390.420.480.540.550.640.690.871.071.351.522.34
404040404040404040404040404040404040
18192022242526272830323640444860
1F1F1F1F1F1F1F1F1F1F1F1F1F111
57.3060.4863.6670.0376.3979.5882.7685.9489.1395.49
101.86114.59127.32140.06152.79190.99
60666675838387919397
106119131_
__
55.458.661.868.274.577.780.984.187.293.6
100.0112.7125.4138.2150.9189.1
47474747474747474747474747474747
10101212121212121212121616161616
26283034383939393939424552576272
37373737373737373737373737373737
404446525860606060606570808895
110
0.260.280.320.400.480.530.570.600.640.740.851.071.321.611.933.00
10mm Pitch Pulleys for 32mm Wide Belt Ref. 32AT10-
10mm Pitch Pulleys for 50mm Wide Belt Ref. 50AT10
18192022242526272830323640444860
1F1F1F1F1F1F1F1F1F1F1F1F1F111
57.3060.4863.6670.0376.3979.5882.7685.9489.1395.49
101.86114.59127.32140.06152.79190.99
60666675838387919397
106119131_
__
55.458.661.868.274.577.780.984.187.293.6
100.0112.7125.4138.2150.9189.1
10101212121212121212121616161616
26283034383939393939424552576272
56565656565656565656565656565656
404446525860606060606570808895
110
0.430.470.520.570.740.770.820.910.961.171.301.642.002.362.834.37
66666666666666666666666666666666
Pulley InstallationCorrect and accurate installation of Timing Drives is essential. Pulley alignment and shaft parallelism is very important as misalignment ofthe drive will cause unequal loading across the belt width and edge wear of belt on flanges. Pulley alignment can be checked by placing astraight edge against the outside edge of the pulleys and adjusting so contact made evenly across both pulleys.The shafts should be located within a rigid framework, as any distortion under load could result in a reduction of centre distance whichwill cause jumping of belt on pulley teeth. If idlers are used they must be locked firmly into position after correct belt tensioning. Refer to page 10 for additional information on drive installation.
25 AT10-1525 AT10-1625 AT10-1825 AT10-1925 AT10-2025 AT10-2225 AT10-2425 AT10-2525 AT10-2625 AT10-2725 AT10-2825 AT10-3025 AT10-3225 AT10-3625 AT10-4025 AT10-4425 AT10-4825 AT10-60
32 AT10-1832 AT10-1932 AT10-2032 AT10-2232 AT10-2432 AT10-2532 AT10-2632 AT10-2732 AT10-2832 AT10-3032 AT10-3232 AT10-3632 AT10-4032 AT10-4432 AT10-4832 AT10-60
50 AT10-1850 AT10-1950 AT10-2050 AT10-2250 AT10-2450 AT10-2550 AT10-2650 AT10-2750 AT10-2850 AT10-3050 AT10-3250 AT10-3650 AT10-4050 AT10-4450 AT10-4850 AT10-60
Type 1
d Mdp do
F
L
L
F
d MA dp do
Type 1F
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXTiming Belts :
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Special Belt BackingsTo assist in the movement of many products there is a range ofspecialist materials which can be bonded to the back of all sizesof Polyurethane Belts. Thickness up to 15mm enable profilingof the backing to transport special shapes, such as drawingtube from extrusion process. Materials available with coefficient of friction varying for 0.3µto 1.3µ and hardness 70° ShA down below 35° ShA, includingopen cellular materials which accommodate profile changes.Materials include polyurethane in various grades and hardnessvalues, Linatex, Neoprene for haul - off applications, PVC,Natural Rubbers and Silicon Rubber in flat finish on honeycomb construction for higher grip.Materials, profiles and constructions are available to cater foralmost every application.
43
Open Ended and SpecialConstruction Polyurethane Timing Belts
Open ended belts are manufactured in a continuous processwith the steel tension members running parallel to the edges.The belts are manufactured in standard 50 metre rolls, butlonger lengths are available to request. The open ended beltsare normally used for reciprocating linear motions such asrobotics.The open ended belts can also be used to produce long lengthendless belts which are produced using an automated, precision cut vee finger joint which is weld joined. Thestrength of the join is by the polyurethane, but due to the largecontact area loads up to 50% of the belt capacity can still betransmitted, whilst excellent flexibility and smooth running areretained, The joined belts are mainly used on Conveyor applications, and the addition of welded attachments and special backing materials extends application opportunities.
Linear DrivesSynchronised movements and alignment of goods is an essential element in automated handling systems.
Conveyor SystemsFor conveyor applications the belts can be used in standardwelded endless form to transport items in a horizontal plane,or for inclined applications or where positioning is required awide range of polyurethane profiles is available for permanentwelding to the timing belt back surface. Profiles can also bedeveloped for specific applications. Flighted belts ensure positive movement of products with accurate location providing an option to attachment Roller Chain.
T5T10AT5AT10AT20XLLH
Belt Type Pitch p H1 H2 K B°
5.0010.00
5.0010.0020.00
5.089.53
12.70
2.204.502.705.008.002.253.504.30
1.202.501.202.505.001.251.902.30
1.803.502.505.00
10.001.353.204.40
4040505050504040
T5T10AT5AT10AT20XLLH
Belt Type Pitch p H1 H2 K B°
5.0010.00
5.0010.0020.00
5.089.53
12.70
2.204.502.705.008.002.253.504.30
1.202.501.202.505.001.251.902.30
1.803.502.505.00
10.001.353.204.40
4040505050504040
T5
T10
AT5
AT10
AT20
Belt Type 6
Standard Widths Metric Belts - width in mm10 16 25 32 50 75 100 150 200
•
•
•
•
••••
•••••
•••••
•••••
••••
•
••
•• •
XL
L
H
Belt Type 025
Standard Widths Imperial Belts - width in 0.01”031 037 050 075 100 150 200
•••
• • ••
•••
•••
•• •
Standard Tooth Forms available
Linear DrivesSynchronised movements and alignment of goods is an essential element in automated handling systems.
Conveying SystemsPrecise control and synchronisation inthe transportationand positioningof goods.
Consult Cross+Morse for the best solution to your conveying application
H1
P
ß°
H2
K
CROSS+MORSE
Power Transmission Solutions
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__
_
f
f
f
f
f
f
f
f
6
810
XL
Timing Belt Clamping Platesand Timing Bars
Clamping Plates for HTD Belts
44
Timing Belt Clamping PlatesFor the simple retention of open ended timing belts used on conveyingor reciprocating drives, a standard range of clamping plates is availablefor all the heavier pitch belts. Manufactured in aluminium, these clamping plates provide accurate, location of the belts.
Belt PitchSize
F d B A S
L (Belt Width Code)
20 30 40 50 55 85 115 170
C
8M
14M
8
10
9
11
5
9
66
116
15
22
45 55
71
75
86
110
116 146 201
Clamping Plates for Classical Series Belts
Belt PitchSize
F d B A S
L (Belt Width Code)
025
C
L
H
5.5
911
3.5
59
42.5
76.6106.9
8
1522
037 050 075
25.5 28.5
3945
4551
51.557.5
6
8
Clamping Plates for ‘T’ Series Belts
Belt PitchSize
F d B A S
L (Belt Width Code)
10
5.5
9
3.2
5
41.8
80
8
15
16 25 32 50
T5
T10
35
41
29
57 75
6
8
Clamping Plates for ‘AT’ Series Belts
Belt PitchSize
F d B A S
L (Belt Width Code)
10
C
5.5
9
3.2
5
41.8
80
8
15
16 25 32 50
AT5
AT10
35
41
29 44
50 57 75
Timing BarsFor extra wide belt drives and to manufacture special pulleys. Available intooth sizes indicated in following table of standard bar sizes.
No.Teeth XL L T2.5 T5 T10
No.Teeth
Belt Type Belt Type
XL L T2.5 T5 T10
ccccddeeeeeffffffffffff
eefffffffffffff__f__f
_______________________
_
1011121314151617181920212223242526272829303233
__
a
aaaaaaabbbc
c
cccccc
_
_
_
_
cccceeeeeeffffffffffff_
eeeefffffffffff
f
f
ff
_
_
34353637383940414243444546485056606570728090100
fff
fffffff
f
ff
f
___
__
_
__
_
cdd
e
e
e
ee
ef
ffff
ff
_
_
_
_
_
_
_
_
_
fffff
f
f
fffff
f
ffff
_
_
_
_
__
_
__
_
__
_
_
All sizes indicated available in aluminium.XL and L sizes also available in steel.
Bar Size I L
50
90
125
132
140
160
75
120
140
140
140
160
C
44
50
_
_
_
_
_a
b
c
d
e
f
100
CROSS+MORSE
Power Transmission Solutions
BACKINDEXTiming Belts :
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Eliminate low temperature
Increase the diameter of the pulleys oruse belts and pulleys of smaller pitch
Eliminate the moisture
Refer to factory for special belt
Use a higher capacity belt
Increase the diameter of the pulleys
Restore the initial centre distance andstrengthen the bearings
Causes of Premature Belt Failure
Number of teeth in mesh less than six
Excessive load
45
Timing Belt Trouble Shooting Guide
When a timing belt drive is correctly designed and installed - with proper consideration given to design factors for service conditions - premature failure should not occur. If problems are encountered the table below may help identify the cause and suitable corrective action. In addition to problems shown less apparent causes of drive failure may exist, such as excessive reversebending, sub-minimum diameter idler, etc; and for complete assurance in determining cause of failure and correct remedy it isalways advisable to consult a drive specialist.
Mode of Failure Probable Causes Corrective Action
Exposure to excessively high temperatures(over + 100°C) or oil contamination
Reduction of centre distance due tobearings not being firmly fixed
Apparent elongation of the belt
Reinstall the flanges properly
Align pulleys
Belt overriding the flanges Faulty installation of the flanges
Misalignment of pulleys
Excessive wear of pulley teeth Excessive overloading
Belt excessively taut
Pulley material insufficiently hard
Use a higher capacity drive
Reduce the centre distance
Harden the pulley surface
Abnormal wear of the belt:a) on the side of the tooth
Belt excessively taut
Excessive overloading
Incorrect contour or diameter of pulley
Excessive installation tension
Incorrect diameter of pulley
Incorrect contour or diameter of pulley
Misalignment or wrong setting of pulleys
Oscillation of the axes and/or thebearings
Flanges bent
Reduce centre distance
Use a wider belt
Replace pulley after checking
Reduce centre distance
Replace pulley after checking
Replace pulley after checking
Correct the positioning of the pulleys
Reinforce the bearing mountings
Replace flanges
Failure through traction or throughlaceration of the teeth, indicatingcorrosion of the tension member
Shearing of belt teeth
Rupture of tension member
Breaks or cracks in the topsurface of the belt
Exposure to excessively low temperatures(below - 25°C)
Softening of the top surface ofthe belt
Diameter of pulley too small
Excessive moisture
Acid or caustic atmosphere
Excessive load
Diameter of pulley below minimum
Drive excessively noisy Pulleys out of line
Excessive installation tension
Excessive load
Diameter of pulley below minimum
Air trapped in belt
Align pulleys
Reduce the centre distance
Use a higher capacity drive
Increase the diameter of the pulleys
Change to Metric Series belt drive
b) on the bottom of the tooth
c) at the tooth root
d) on the side of the belt
Eliminate the high temperature or reducethe amount of oil present
Increase the pulley diameters or usebelts and pulleys of smaller pitch
Use a higher capacity bel
END