riccotek presented snl plummer block housings
TRANSCRIPT
SNL PlummerBlock Housingssolve housingproblems
The SKF brand now stands for more
than ever before, and means more
to you as a valued customer.
While SKF maintains its leadership as a
high-quality bearing manufacturer
throughoutthe world, new dimensions
in technical advances, product support
and services have evolved SKF into a
truly solutions-oriented supplier,
creating greater value forcustomers.
These solutions enable customers to
improve productivity, not only with
breakthrough application-specificprod-
ucts, but also through leading-edge
design simulation tools andconsultancy
services, plant asset efficiency mainte-
nance programmes, and the industry’s
mostadvanced
supply management techniques.
The SKF brand still stands for the very
best in rolling bearings, but it now
stands for much more.
SKF – the knowledge engineering
company
Product informationA3 Fewer bearing replacementsand less
maintenance
3 Plummer block housingshavemuch
tooffer
3 SNL plummer block housingshave
more tooffer
4 One basic design –manyvariants
6 Features andbenefits
8 Superior performance in allsectors
B Recommendations
10 Bearing arrangement design
10 Bearings on adapter sleeves onstraight
shafts
11 Bearings on adapter sleeves onstepped
shafts
12 Bearings on withdrawal sleeveson
steppedshafts
13 Bearings on cylindrical seats onstepped
shafts
14 Standardseals
21 Specialseals
22 Endcovers
22 Locatingrings24 Axial displacement using CARBtoroidal
roller bearings in SNLhousings
26 Application advice for trouble-free
operation
28 Lubrication
32 Mounting36 Mounting SNL housings withfour-lip
seals
38 Mounting SNL housings withdouble-lip
seals
40 Mounting SNL housings with V-ring seals
42 Mounting SNL housings with feltseals44 Mounting SNL housings withlabyrinth
seals
43 Mounting SNL housings withtaconite
seals
48 Mounting SNL housings with oilseals
Contents
ProductdataC50 Designations and housing data
– general
50 Designations
50 Load carryingability
56 Product tables
56 SNL plummer blockhousingsfor bearings on an adaptersleeve,
metricshafts
68 SNL plummer blockhousingsfor bearings on an adaptersleeve,
inchshafts
84 SNL plummer block housingsfor
bearings with a cylindricalbore
94 Sealing arrangements for SNLplummer
blockhousings
D Additional information
100 Other products fortrouble-free
operation
100 High-performance, self-aligning
standardbearings
101 For easy mounting –adapterand
withdrawalsleeves
102 Otherproducts
103 Other bearinghousings
104 Condition monitoringequipment
106 SKF – the knowledge engineering
company
2
Fewer bearingreplacements and lessmaintenance
Plummer blockhousings have much to offerThe main benefit of split plummer block
housings is their easy installation;preassem-
bled shafts can be mounted in them. When
the housing bases are attached to the base
plate, it is then only necessary to place the
housing caps in position and to tighten the
attachment bolts to complete theinstallation.
Split plummer block housings available on
the market are mainly intended forself-align-
ing ball bearings, spherical rollerbearings and
CARB toroidal roller bearings of ISO Dimen-
sion Series 02, 03, 22, 23 and 32. They can
often be fitted with a number of different
seals. Many designs and variants of split
plummer block housings are available,making
the use of tailored housings unnecessary and
thus enabling cost-effective bearing arrange-
ments to bemade.
For many years SKF has been one ofthe
leading producers of split plummer block
housings –synonymous with operational
reliability, quality andversatility.
SNL plummer blockhousings have moretooffer
SKF has developed the SNL plummer block
housings to be the first choice for design,
quality and economy. This enablescustomers
to keep a stepahead.
SNLplummerblockhousingsenablethefull
service life potential of the incorporated bear-
ings to be exploited with less need for main-
tenance.This supports user’sefforts tofurther
reduce maintenance costs. Among other
characteristics, the housings are very stiff,
making them insensitive to uncontrolled and
excessive tightening of the attachmentbolts.
Anotherbenefit is thewiderangeofdifferent
typesof standard seals tobe fitted in theSNL
plummerblockhousings.
A
3
One basic design –many variantsSNL plummer block housings are primarily
intended for self-aligning ball bearings, spher-
ical roller bearings and CARB toroidal roller
bearings. The housings are designed on the
”building block” principle to enable a wider
choiceofbearingsandsealsaswellasavariety
ofmounting and lubrication methods.
Abuilding block system
The SKF assortment of SNL plummer block
housings can accommodate shafts ranging
from20to160mmindiameter.Thesehous-
ings, which allshare the same design features,
are available with a variety of seals. The
standard range also includes a number of
options, like tapped holes for grease fittings
and condition monitoring sensors, to create
an almost limitless combination of variants.
Housings are also available for bearings for
larger shaft diameters ( † page 103).
SNL plummer block housings are made
of high quality, grey cast iron to providehigh
tensile strength. For applications whereadd-
itional strength is required, housings made
of spheroidal graphite cast ironare available.
Several sealingoptions
AnimportantadvantageoftheSNLplummer
block housings is that they can be fitted with
a variety of seals. Standard SKF sealsinclude
four-lip seals,V-ringseals,feltseals,labyrinth
seals and heavy-duty taconite labyrinth seals
with a radial labyrinth and end covers. Other
standard seals are also available for SNL
housings, but the housing has to be modified
for the seal to be effective. These include oil
seals and heavy-duty taconite labyrinth seals
with an axiallabyrinth.
SNL plummer block housings are dimen-
sionally interchangeablewiththeearlierSNH
housings. Theirdimensions conform to
ISO113:1999.
SNL plummer block housing with sealingoptions
4
A
5
• Stiffdesign Insensitive to over-tightening of theattachment bolts
• Excellentheatdissipation
Lowers bearing operatingtemperatureExtends relubricationintervalsIncreases the service life of the bearings, seals andlubricant
Relubrication facilityas standard• Drilled and tappedholesfor greasefittings
Avoids mixing caps and bases, enablestraceability• Caps andbasesindividuallymarked
Enables quicker adaptation of a standard housing to anapplication• Dimples cast into the housing toidentify drillinglocations
• Simplemounting
• Additionalseals
Centre lines are cast into the housing base to simplify the alignment process Several
sealingoptions, toextendbearingservicelife inharshoperatingenvironment
• Grease guidingsystem Guidesgreasedirectly tothesideof thebearing
Features andbenefits
The SKF assortment of SNL plummer block
housings is characterized by a number of
advantages, including high load carrying
capacity and machining quality. In addition,
SNL housings incorporate unique features
that are designed to improve theperformance
and increase the service life of yourapplication.
Stiffdesign
The housing base is reinforced with ribs and extra
material around the attachment holes to add strength
and prevent deformation of the base. Theattachment
bolts can be preloaded to locate the housing and
prevent deformation of the housing base andbore.
Excellent heatconduction
Additional ribs on the underside ofthe base improve
heat flow from the bearing outer ring to the support
surface. Bearings in an SNL housing run 5–10 %
cooler than the bearings in otherhousings.
Relubrication madesimple
Standard SNL housings have two tapped holes in the cap for the grease fitting. They are protected byplas-tic plugs. The location of the grease fitting is deter-mined by the bearing. If the bearing has a W33 groove, install the fitting in the middle of the housing. Otherwise, put the fitting in the other hole so that grease will enter the bearing from theside.
Caps and bases individuallymarked
The housing base and cap are matched duringman-
ufacture and are not interchangeable with the caps
and bases of other housings. To prevent any mis-
matches, a unique serial number is marked on both
the housing cap andbase.
Grease guidingsystem
When lubricating from the top, this feature
guides fresh grease from the fitting to theside
of the bearing. This applies in particular for
lubricating self-aligning ball bearings and
CARBbearings.
6
Dimples to locateaccessories
SNL housings have dimples cast into the housingcap
to show where condition monitoring sensors can be
mounted for maximumeffectiveness.
Simplemounting
To simplify mounting and make alignment more
accurate, lines indicating the centre of the boreand
the centre of the base are cast into thehousing.
Mounting instructions, included with each seal pack,
provide valuable installation tips.
High speedseal
The SKF four-lip, low friction seal was developed
specifically for SNL housings. This highly effective
seal, which can accommodate speeds up to 13m/s,
is easy to remove andinstall.
A
7
Superior performance in allsectorsHigh load carrying capacity, robust design,
accurately machined surfaces and simplified
installation make SKF housings the firstchoice
for machine manufacturers and endusers.
Applications
• Mineventilators
• Exhaust and fresh airfans
• Flue gasfans
• Emergency power supplygenerator
flywheels
• Transmissions
• Beltdrives
• Impact and hammermills
Customerdemands
• Robustdesign
• Nobreakdowns
• Extremely effectiveseals
• Long maintenanceintervals
• Condition monitoring facilities
• Fast and easy mountingand
dismounting
Another reason why SKF housings are so
popular is because knowledgeableconsumers
know that high quality components can sig-
nificantly reduce operating costs –that
includes everything from maintenance,energy
consumption, lubricant consumption and
downtime.
Solution
8
A
9
Bearing arrangementdesign
SNL plummer block housings are typically
used with self-aligning ball bearings, spher-
ical roller bearings or CARB toroidal roller
bearings fitted on straight or stepped shafts;
the bearings can be mounted on adapter or
withdrawal sleeves or directly on cylindrical
shaft seats. These housings can also be used
with other bearing types ifthey are within the
correct DimensionSeries.
1. Bearings on adapter sleeves on straight shafts
Advantages
• Drawn round bar (tolerance h9) canbe
used withoutmachining.
• Maximumshaftstrengthasthere isno
weakening by shoulders orreliefs.
• Bearings can be mounted at anyposition
on theshaft.• Mounting force, i.e. the force required to
drive thebearingonto thesleeve, is 40 %
lessthanwithothershaftsbecausethere
is onlyoneslidingsurface.
• Bearing radial clearance can beadjusted
(within limits) during mounting to meet
applicationdemands.
Applications
• Bearing arrangements for relatively long
shafts where more than two bearingsare
required forsupport.
• Bearing arrangements where machine
components are mounted usingwedging
or tensioning components that do not
require the shaft to bemachined.
• Bearing arrangements where the final
position of the bearing cannot beaccurately
determined.
Bearings on adapter sleeves on straightshafts
12EK
SNL5
22EK 213CCK23EK
SNL6
13EK 223EK232CCK C 23K222 EK BS2-22-2CSK C 22K C 32K
10
2. Bearings on adapter sleeves on stepped shafts
Advantages
• Thebearingpositionontheshaft isaccur-
ately determined by the abutmentring.• Other components on the shaft can be
axially located by the bearing on itssleeve
via spacersleeves.
• Easy dismounting as the bearing innerring
is in contact with the abutmentring.• Bearing radial clearance can beadjusted
(within limits) during mounting to meet
applicationdemands.
Applications
• Bearingarrangementsattheendofashaft.
• Bearing arrangements wherefrequent
mounting and dismounting arerequired.
Bearings on adapter sleeves on steppedshafts
12EK
SNL5
22EK 213CCK23EK
SNL6
13EK 223EK232CCK C 23K222 EK BS2-22-2CSK C 22K C 32K
B
11
3. Bearingson withdrawal sleeves on stepped shafts
Advantages
• Thebearingpositionontheshaft isaccur-
ately determined by the shaftshoulder.• Other components on the shaft can be
axially located by the bearing on itssleeve
via spacersleeves.
• Easy dismounting using a withdrawalor
hydraulicnut.• Bearing radial clearance can beadjusted
(within limits) during mounting to meet
applicationdemands.
Applications
• Bearingarrangementsattheendofashaft.
• Bearing arrangements wherefrequent
mounting and dismounting arerequired.
Bearings on withdrawal sleeves on steppedshafts
12EK
SNL5
22EK 213CCK23EK
SNL6
13EK 223EK232CCK C 23K222 EK BS2-22-2CSK C 22K C 32K
12
Bearings on cylindrical seats on steppedshafts
4. Bearings on cylindrical seats on stepped shafts
Advantages
• The axial load carrying capacity of the
bearings (in both directions) is notlimited
by asleeve.
• The residual bearing internalclearance is
determined by the tolerance of the shaft
seat so there is no danger of radially
preloading the bearing duringmounting.
• Thebearingpositionontheshaft isaccur-
ately determined by the shaftshoulder.
• The bearing can be supported byother
components via spacersleeves.
• Theshaftdiameteratthebearing position
ismaximized.
Applications
• Bearing arrangements where largenum-
bers of bearings have to bemounted.
• Bearing arrangements where largeshock
loads canoccur.
SNL2
12 E 22E 222E 213CC23E
SNL3
13E 223CC232CC C22 C32 C23BS2-22-2CS
B
13
Standard seals
An important advantage of SNL plummer
block housings is that they can be fitted with
different types of seals. Standard SKF seals
include split four-lip seals, V-ring seals, felt
seals, labyrinth seals and heavy-duty “taco-
nite” seals with a radial labyrinth. The seals
are easy to install and are suppliedseparately.
All thestandardseals,aswellastheseals
for use with oil lubrication, are shown in
table 1, with an overview of the seal type,
its design features and suitability forvarious
operating conditions. Detailedinformation
about standard and special seals can befound
on pages16 to 21.
Table1
Sealselection
1) Delivered as a complete unit only, i.e. housings with seals, SNL .. TURU. Oil seals can be ordered separately as spare partsonly2) See table 2 on page 15 to convert peripheral speeds to rotationalspeeds3) When the V-ring isaxially supported4) If appropriate components are used; i.e. ASNA .. V end cover at the end of ashaft5)WhentheV-ring of thelower seal ismounted inboard
TSN.. L TSN.. A TSN.. C TSN.. S TSN.. ND TSN.. U1)
Internalconditions
Temperature,°C –40 to+100 –40 to+100 –40 to+100 –50 to+200 –40 to+100 -40to +200
Temperature,°F –40 to+210 –40 to+210 –40 to+210 –60 to+390 –40 to+210 -40to +390
Peripheral speed,m/s2) up to13 up to7 up to4 ++ up to12 ++
above73)
Misalignment,degrees 0,5 to1 1 to1,5 up to0,5 up to0,3 up to0,5 up to1
Greaselubrication ++++4)
- + +
Oillubrication -- -- -- -- -- ++
Lowfriction ++ ++ - ++ + ++
Axial shaftdisplacement ++ - ++ + + -
Verticalarrangement +++5)
-- -- - --
Replacement ++ - + - - -
Externalconditions
Dust ++ + + + ++ -
Fineparticulate ++ + - + ++ +
contaminants
Coarseparticulate + - - + ++ +
contaminants
Abrasivecontaminants + -- + ++ ++ ++
Liquids whensprayed + + - -- ++ -
Directsunlight + -- ++ ++ ++ ++
Symbols:++ verysuitable+ suitable
- limited suitability--unsuitable
14
Table2
Rotational speeds corresponding to peripheralspeeds
Shaftdiameter at the seallip
Rotational speedscorresponding to peripheral speedsof
1)da,db 2m/s 4m/s 7m/s 8m/s 12m/s 13m/s
mm r/min
20 1910 3820 6680 7640 11460 –25 1530 3060 5350 6110 9170 –30 1270 2550 4460 5090 7640 8280
35 1090 2180 3820 4370 6550 7090
40 950 1910 3340 3820 5730 621045 850 1700 2970 3400 5090 5520
50 760 1530 2670 3060 4580 4970
55 690 1390 2430 2780 4170 451060 640 1270 2230 2550 3820 4140
65 590 1180 2060 2350 3530 3820
70 550 1090 1910 2180 3270 355075 510 1020 1780 2040 3060 3310
80 480 950 1670 1910 2860 3100
85 450 900 1570 1800 2700 292090 420 850 1490 1700 2550 2760
95 400 800 1410 1610 2410 2610
100 380 760 1340 1530 2290 2480110 350 690 1220 1390 2080 2260
115 330 660 1160 1330 1990 2160
120 320 640 1110 1270 1910 2070125 310 610 1070 1220 1830 1990
130 290 590 1030 1180 1760 1910
135 280 570 990 1130 1700 1840140 270 550 950 1090 1640 1770
145 260 530 920 1050 1580 1710
150 250 510 890 1020 1530 1660155 250 490 860 990 1480 1600
165 230 460 810 930 1390 –
175 220 440 760 870 1310 –
1)da:shaftdiameterforbearingsonanadaptersleeve.db:shaftdiameterforbearingsonasteppedshaft
B
15
Four-lipseals
With shaft speeds continuously increasing,
there was a need for a sealing solution that
could accommodate higher speeds with the
same high level of performance that the SKF
double-lip seal could provide at lowerspeeds.
To meet that need, SKF developed arobust,
easy-to-mount four-lip seal ( † fig. 1) that
can accommodate peripheral speeds upto
13m/s.This four-lip seal ismadefromaspe-
cially formulated thermoplastic elastomer. It is
manufactured using a unique process that
improves the finish of the contact surfaces so
that there is less friction and heat generated
by the seal. These four-lip seals, which are
designed for grease lubrication, can accom-
modate speeds up to 13 m/s even if thehous-
ing uses a grease escape hole (suffix V). The
seals are split so that they can be installed
easily.
The permissible angular misalignment for
shaft diameters ≤ 100 mm is approximately
1°and approximately 0,5° for larger shafts.
The seal counterface on the shaft should be
ground and the surface roughness Ra should
not exceed 3,2 µm. The recommended shaft
tolerance is h9. The axial movement of the
shaft relative to the housing is not limited
when four-lip seals are used. Thepermissible
operating temperature range for the seal is
between –40 and +100 °C (–40 to +210°F).
The seals are available from size TSN 507 L
uptoandincludingsizeTSN532L.
Each package of four-lip seals contains two
seals. Consequently, when using an end cover,
one seal can be kept as a spare. Four-lip seals
are identified by the designation prefix TSN
followed by the size identification and thesuf-
fixL,e.g.TSN511L.
V-ring seals
V-ring seals ( † fig. 2) are two-piece seals
thatconsistofaV-ringandagalvanized,sheet
steelsealingwasher.Arubber lip,vulcanizedto
the sealing washer, fits into the seal groove in
the housing. The V-ring fits tight on the shaft
and seals axially against the washer. As it is
turning with the shaft, the V-ring acts as a
flinger. These very efficient seals are typically
used in difficult applications e.g. where there
are high speeds or rough finished shafts. They
can accommodate peripheral speeds in excess
of 7 m/s if the V-ring is prevented from mov-
ing or lifting from the shaft by a support ring.
Recommended dimensions for appropriate
support rings (for axial and radial location) are
provided in table3.
NOTE:Supportrings cannotbeusedforsizes
between 205 to 211 and 306 to 314 due to
limited space between the shaft and housing
shaftbore.
The permissible angular misalignmentfor
V-ring seals is approximately 1,5° fora
50 mm shaft decreasing to approximately 1°
for shaft diameters ≥ 150 mm. The axial
movement of the shaft relative to thehousing
is limited to ±1 mm for shaft diameters up to
65 mm, to approximately +/-1,2 mmfor
70-100 mm shaft diameters and to approxi-
mately +/-1,5 mm for larger shaftdiameters.
Each package of V-ring seals contains two
seals. Consequently, when using an endcover,
one seal can be kept as a spare. V-ring seals
are identified by the designation prefix TSN
followed by the size identification and thesuf-
fixA,e.g.TSN511A.
V-ringseal
Fig.2
Four-lipseal
Fig.1
16
Location of theV-ring
Peripheral speed up to 7m/s
Peripheralspeed
7 to 12m/s
Table3
Recommendeddimensions for supportrings forV-ring seals
Shaft diameter
V-ring Designation VAR CR
da,db1)
Dimensions
d1 d2 B B1 B2 D
Grub screw to
A G1 DIN913
mm mm – –
20 20 27,2 5 8,5 3,5 30 2,5 M3 3 ¥5 20VAR CR40020025 25 32,1 5 8,5 3,5 35 2,5 M3 3 ¥5 25VAR CR40025030 30 37,2 5 8,5 3,5 40 2,5 M3 3 ¥5 30VAR CR400300
35 35 42,2 5 8,5 3,5 45 2,5 M3 3 ¥5 35VAR CR400350
40 40 49,1 7 11,5 4,5 53 3,5 M4 4 ¥5 40VAR CR40040045 45 54 7 11,5 4,5 58 3,5 M4 4 ¥5 45VAR CR400450
50 50 59,1 7 11,5 4,5 63 3,5 M4 4 ¥5 50VAR CR400500
55 55 64,1 7 11,5 4,5 68 3,5 M4 4 ¥5 55VAR CR40055060 60 69,1 7 11,5 4,5 73 3,5 M4 4 ¥5 60VAR CR400600
65 65 74,1 7 11,5 4,5 78 3,5 M4 4 ¥5 65VAR CR400650
70 70 81 9 15 6 84 4,5 M5 5 ¥6 70VAR CR40070075 75 86 9 15 6 89,5 4,5 M5 5 ¥6 75VAR CR400750
80 80 91 9 15 6 94,5 4,5 M5 5 ¥6 80VAR CR400800
85 85 96 9 15 6 100 4,5 M5 5 ¥6 85VAR CR40085090 90 101 9 15 6 105 4,5 M5 5 ¥6 90VAR CR400900
95 95 106 9 15 6 109 4,5 M5 5 ¥6 95VAR CR400950
100 100 111 9 15 6 115 4,5 M5 5 ¥6 100VAR CR401000110 110 122,9 10 17,5 7,5 128 5 M6 6 ¥8 110VAR CR401100
above 12m/s 115 115 127,4 10 17,5 7,5 133 5 M6 6 ¥8 110VAR CR401100
125 125 138,1 10 17,5 7,5 143 5 M6 6 ¥8 130VAR CR401300135 135 147,5 10 17,5 7,5 153 5 M6 6 ¥8 130VAR CR401300
140 140 152,9 10 17,5 7,5 158 5 M6 6 ¥8 140VAR CR401400
145 145 158,1 10 17,5 7,5 163 5 M6 6 ¥8 150VAR CR401500155 155 167,5 10 18,5 8,5 173 5 M6 6 ¥8 150VAR CR401500
165 165 179,9 10 18,5 8,5 185,5 5 M6 6 ¥8 170VAR CR401700
175 175 189,3 10 18,5 8,5 195 5 M6 6 ¥8 170VAR CR401700
120°
G1
A
d1 D
B B2
d2
B1
7–12m/s >12m/s
1)da:shaftdiameterforbearingsonanadaptersleeve.db:shaftdiameterforbearingsonasteppedshaft
B
17
Fig.3b
Felt ringseals
Feltring seals ( † fig. 3)aresimple,efficient
grease seals that can accommodate periph-
eral speeds up to 4 m/s. These seals can
accommodate higher speeds, butbeyond
4 m/s, a small gap forms between the feltand
shaft, transforming the contact seal into a
non-contact, gap-typeseal.
In applications where bearings aremount-
ed on a straight shaft with adapter sleeve,
split felt ringseals are typically used
( † fig. 3a). The felt is impregnated with oil.
To install these seals, a round rubber cord is
first insertedintothesealgroove in thehous-
ing. Then, with the felt inserted in the light
alloy half-rings, the half rings are installed in
the seal groove. The rubbercord prevents the
rings fromturning.
The permissible angular misalignmentfor
felt ring seals isapproximately0,5°.Theseal
counterface on the shaft should be ground
and the surface roughness Ra should not
exceed 3,2µm.
The axial movement of the shaftrelative to
the housing is not limited when felt seals are
used.
Eachpackageof felt ring seals contains two
seals.Consequently,whenusinganendcover,
oneseal canbekeptasaspare.Felt ringseals
are identified by the designation prefix TSN
followed by the size identification and thesuf-
fix C, e.g. TSN 511C.
High temperatureapplicationsFor applicationswhere spherical roller bear-
ingsorCARBtoroidal roller bearingsoperate
continuously athigh temperatures,upto
+250 °C (480 °F), SKF graphited FSB seals
should beused.Thesesealsaremade ofalu-
minium boron silicate and can accommodate
speeds up to 2m/s.
Feltring seals canbesupplied withanFSB
insert. The round rubber cords used with
these seals are replaced with a fluoro rubber
cord. These seals are identified by the suffix
CB,e.g.TSN511CB.
Feltstrips
If the bearings are to be installed on astepped
shaft with a cylindrical seat (sizes 205 to 218
inclusive), loose felt strips ( † fig. 3b) can be
used. The strips are 170 mm in length. They
should be cut to the right length and prior to
installation, they must be soaked in hot oil for
a few minutes. Then, they can be installed
directly intothesealgroove.The feltstripsare
designated FS170.
High temperatureapplicationsFor high operating temperatures, upto+250°C (480 °F), SKF graphited strips canbe
supplied. They should be cut to the right
length. They can be installed directly into the
sealgroove.
Contact SKF for correctdesignation.
Felt ringseal
Fig.3a
Feltstrips
Felt ringseal
Seals made of fluoro rubber give offhaz-
ardous fumes when exposed to extreme
temperatures above 300 °C (570°F).
Therefore, review and follow the safety
recommendations mentioned in the sec-
tion “Seal materials” in the GeneralCata-
logue 6000, on page143.
18
Labyrinth seals
For applications where there are high speeds
and/or extreme temperatures, SKF recom-
mends using a labyrinth type seal ( † fig. 4).
The standard labyrinth type seal is called a
labyrinth ring. Labyrinth rings consist of a
metal ring with two steps arranged radially.
One step fits in the seal groove inthe housing
to form a gap type seal. The other step forms
a gap type seal with the outside of the hous-
ing. A hollow, silicone rubber cord supplied
with the seal holds the labyrinth ring in place
on theshaft.
The standard labyrinth seals can accom-
modate approximately 0,3°of angular mis-
alignment and operating temperatures rang-
ing from –50 to +200 °C (–60 to +390°F).
When labyrinth seals are used, axial move-
mentof theshaftrelative tothehousing isnot
limited. The recommended shaft tolerance is
h9.
Labyrinth rings are supplied singly. For
through-shaft applications, two rings should
be ordered. A labyrinth ring is identifiedby the
designation prefix TSN followed by the size
identification andthesuffixS,e.g.TSN511S.
Taconite heavy-dutyseals
Taconite is a very fine-grained mineral which
is extremely difficultto seal against. For bear-
ing arrangements which must operate under
very arduous conditions such as those
encountered in mining, labyrinth seals, which
can be relubricated, are recommended, as
grease enhances the sealing effect and
extends the serviceability of the seals. SKF
has developed different designs of these
heavy-duty seals (which can seal against
taconite, hence the name) that can be sup-
pliedforusewithSNLhousings.
One taconite seal design ( † fig. 5) is based
on a radial labyrinth seal and fits standard
housings. A V-ring seal mounted on the shaft
sealsagainstthenon-rotatingpartoftheseal,
which is inserted in the seal groove and pre-
vents contaminants from penetrating to the
bearing when the seal is relubricated. This
grease is supplied via a grease fitting in the
non-rotating part of the seal. Angular mis-
alignments of the shaft of up toapproximately
0,5°are possible. The permissible operating
temperature range for the seal isbetween
–40 and +100 °C (–40 to +210°F).
Theaxialmovementof theshaft relative to
the housing is limited for this typeof taconite
seal to±1mmfor shaft diametersupto
65 mm and to approximately ±1,2 mm for
sizes up to 100 mm and ±1,5 mm forlarger
shaft diameters. The recommended shaft
tolerance ish9.
These seals are supplied singly so that for
housings used on through shafts, itis neces-
sary to order two seals. The seal is identified
by the designation prefix TSN followed by
the size identification and the suffix ND, e.g.
TSN 511ND.
The second design of taconiteseal( † fig. 6) is based on a labyrinth seal with
the labyrinth stages arranged axially. The seal
is relubricated via lubrication holes and fit-
tings in the housing cap. The positions for the
holes are marked by dimples in the casting.
The permissible misalignment of the shaft
relative to the housing for this seal is approxi-
mately 0,5°. The operating temperaturerange
is from –40 to +250 °C (–40 to 480 °F). Axial
movement of the shaft relative to the housing
is also limited. The recommended shaft toler-
ance ish9.
Fig.4
Labyrinthseal
Fig.5
Taconite heavy-duty seal with a radial labyrinth
Fig.6
Taconite heavy-duty seal with an axial labyrinth
B
19
These seals require that a variant of the
standardhousing isordered,eithersuffixT for
housing used with end cover when lubrication
ononlyonesideofhousing is required orsuf-
fixTDforthroughshaftwhen lubricationpos-
sibilitiesis required onbothsidesofthehous-
ing.Thesealsareavailablefromsize
515-612. The seals are supplied separately
and is identified by the designation prefixTSN
followed by the size identification and thesuf-
fixNC,e.g.TSN515-612NC.
The third variant of the Taconite seal has
the same design as the Taconiteheavy-duty
seal with an axial labyrinth but includesan
V-ring seal ( † fig. 7) and requires the same
modified housing prepared for lubricationon
one or two sides of the housing, e.g. suffix T
orTD,asthesecondseal variant.Theseal is
available from size 515-612. The seals are
supplied separately and is identified by the
designation prefix TSN followed by the size
identification and the suffix NB, e.g. TSN
515-612NB.
Seals for oil lubrication
To retain oil in an SNL housing and prevent
leaks, SKF has developed a U-design labyrinth
seal ( † fig. 8). These seals, which require a
modified housing, consist of two parts: a sta-
tionary U-shaped plate that is bolted to the
housing, and a steel labyrinth ring that is
mounted on the shaft. Two hollow, silicone
rubber cords inserted between the loose fit-
ting labyrinth ring and shaft, keep thering
in place and prevent oil from escaping along
the shaft. To keep the two seal partstogether,
a retaining ring is mounted on the labyrinth
ring. These oil seals do not limit axial move-
mentof theshaftrelative tothehousing.The
recommended shaft tolerance for these seals
isg7,buth9isacceptable.
Modified SNL housings for oil lubrication
are supplied together with seals. Thehousings
with seals are identified by designation suffix
TURU, e.g. SNL 524 TURU. Special end cov-
ers, designation ASNH .. R, must be ordered
separately.
SNL.. TURU housings are prone to overfill-
ing with oil. This is due to the limited size of
the SNL sump. For this reason, it is very
important not to exceed the recommendedoil
level if leaksaretobeavoided( † table3 on
page30).
OilsealTaconite heavy-duty seal with an axial labyrinth and an V-ringseal
Fig.8Fig.7
SONL housings for oil lubricationAs part of the SNL assortment, SKF has a full
line of SONL housings, specifically designed
foroil lubrication.Availableforshaftdiameters
ranging from 75 to 240 mm, these housings
are not as prone to overfilling as SNL hous-
ings. Other advantages of the SONL housing
include
• a 15 %larger oilsump (reservoir)
• cooling fins insidethecasting for improved
heatdissipation.
ForadditionalinformationaboutSONLplum-
mer block housings, † SKF publication 6111
”SONL plummer housings –designed for oil
lubrication.”
20
Special seals
For applications that require special seals,SKF
recommends ordering housings in the SNL 2
series rather than those in the 5 or 6 series.
Housings in the SNL 2 series have a larger
bore (Db) and can accommodate a wider
choice of sealdesigns.
Special sealsare notnormally suppliedby
SKF.Therefore, relevant seal groove dimen-
sions areprovidedin table4.
Table4
Seal groovedimensions
Housing DimensionsSize A3 A4 A5 A6 Db Dc
– mm
SNL205 44 5 7,5 10 36,5 44,5SNL206-305 54 5 7,5 10 46,5 54,5SNL207 58 5 8 11 56,5 64,5
SNL208-307 61 5 8 11 62 70,5
SNL209 59 5 9 12 67 75,5SNL210 64 5 9 12 72 80,5
SNL211 69 5 9 12 77 85,5
SNL212 79 5 9 12 87 95,5SNL213 82 5 9 13 92,5 101
SNL215 87 5 9 13 102,5 111
SNL216 92 5 9 13 108 116,5SNL217 97 5 9 13 112 120,5SNL218 112 5 9 13 120 128,5
SNL505 45 5 7,5 10 31,5 39,5
SNL506-605 55 5 7,5 10 36,5 44,5SNL507-606 59 5 8 11 46,5 54,5
SNL508-607 62 5 8 11 51,5 59,5
SNL509 60 5 9 12 56,5 64,5SNL510-608 65 5 9 12 62 70,5
SNL511-609 70 5 9 12 67 75,5
SNL512-610 80 5 9 12 72 80,5SNL513-611 83 5 9 13 77 85,5
SNL515-612 88 5 9 13 87 95,5
SNL516-613 93 5 9 13 92,5 101SNL517 98 5 9 13 97,5 106
SNL518-615 113 5 9 13 102,5 111
SNL519-616 116 6 10 14 131 141SNL520-617 131 6 10 14 137,5 147,5
SNL522-619 143 6 10 14 147,5 157,5
SNL524-620 151 6 11 15 157,5 167,5SNL526 156 6 11 15 167,5 177,5
SNL528 171 6 11 15 177,5 187,5
SNL530 189 6 11 15 192,5 202,5SNL532 201 6 11 15 202,5 212,5
A4
A6
A5
A3
Db DC
1°
B
21
Endcovers
Housings mounted at the end of a shaft
shouldbefittedwithanendcoverthatfits into
thesealgroove( † fig. 9).Detailsof theper-
missible length of the shaft end can be found
in table 5. End covers, which are plastic, are
suitable for operating temperatures ranging
from –40 to +110 °C (–40 to +230°F).
For applications where temperatures
exceed 110 °C (230 °F), steel end covers
should be used. These can be cut from sheet
steel and placed in the seal groove. Use ahol-
low silicone rubber cord to hold the cover in
place. Seal groove dimensions are providedin
table4 onpage 21.
The standard plastic end cover isidentified
by the designation prefix ASNH followed by
the housing size identification,e.g.
ASNH511-609.
Locating rings
Thewidthofthebearing seatinSNLhousings
ismachinedinsuchwaythatitcanaccommo-
date bearings in the locating as well as in the
non-locatingposition.
The locating bearing, which locatesthe
shaft axially in both directions, must be
secured in the housing on both sideswith
a locating ring ( † fig. 10).
In most cases, the non-locating bearing is
free to move axially in the housing to accom-
modate thermal expansion of the shaft. How-
ever, CARB toroidal roller bearings are an
exception. These bearings accommodate axial
displacement internally and must thereforebe
secured in the housing, on both sides,with
a locatingring.Locating rings are identified by the desig-
nation prefix FRB followed by figures indicat-
ing the width/outside diameter inmillimetres,
e.g. FRB11.5/100.
Housing with an endcover
Fig.9
Housing with a locatingring at both sides of thebearing
Fig.10
22
Table5
Premissible length of shaft end
Dimensions Widest bearingthat fits thehousingHousingSize Designation Dimensions
1)ba bc Ca B bb
– mm – mm
SNL205 18 24 25 22205E 18 17SNL206-305 20 29 32 2305E 24 19SNL207 23 32 34 22207E 23 20,5
SNL208-307 26(22) 33 39 2307E 31 24,5
SNL209 25 32 30 22209E 23 22,5SNL210 28(24) 35 41 22210E 23 23,5
SNL211 30(25) 37 44 22211E 25 25
SNL212 33(26) 42 48 22212E 28 27SNL213 35(30) 45 51 22213E 31 29,5
SNL215 37(30) 47 56 22215E 31 30,5
SNL216 39(33) 50 58 22216E 33 33,5SNL217 40(35) 52 61 22217E 36 36SNL218 45(35) 60 65 23218CC/W33 52,4 44,2
SNL505 18 24 25 22205EK 18 17
SNL506-605 20 29 32 2305EK 24 19SNL507-606 23 32 34 2306EK 27 21,5
SNL508-607 26(22) 33 39 2307EK 31 24,5
SNL509 25 32 30 22209EK 23 22,5SNL510-608 28(24) 35 41 22308EK 33 26,5
SNL511-609 30(25) 37 44 22309EK 36 29
SNL512-610 33(26) 42 48 22310EK 40 32SNL513-611 35(30) 45 51 22311EK 43 33,5
SNL515-612 37(30) 47 56 22312EK 46 36
SNL516-613 39(33) 50 58 22313EK 48 38SNL517 40(35) 52 61 22217EK 36 36
SNL518-615 45(35) 60 65 22315EK 55 42,5
SNL519-616 47(40) 61 68 22316EK 58 46SNL520-617 51(45) 69 70 23220 CCK/W33 60,3 50,2
SNL522-619 61 75 80 23222 CCK/W33 69,8 55,9
SNL524-620 65 79 86 23224 CCK/W33 76 60SNL526 65 81 90 23226 CCK/W33 80 63
SNL528 70 89 98 23228 CCK/W33 88 68
SNL530 80 98 106 23230 CCK/W33 96 74SNL532 85 104 114 23232 CCK/W33 104 80
Ca
B
bb
ba
bc
Ca
B
bb
ba
bc
1) The dimension ba suits all appropriate bearings, with two exceptions:
1.For self-aligning ball bearings in the 12 series, values between brackets aresuitable for totalbearing innerringseat
2.For non-locating bearing arrangements, in particular for bearings with the widest possible width (see table), the values for ba must be correspondingly adjusted (reduced or increased) whenthebearing is notmountedcentrally ( † page 24)
B
23
Axial displacement using CARB toroidal roller bearings in SNL housings
Axial displacement reduces clearance in a
CARB bearing. As a result, the permissible
axial displacement depends on theclearance
in the bearing after mounting. Insufficient
radial clearance, combined with axial dis-
placement, could actually result in a preload
condition that causes the bearing to failpre-
maturely. See general catalogue for calcula-
tion of permissible axialdisplacement.
Even if clearance is sufficient, axial dis-
placement in a CARB bearing is limitedby the
distance the inner ring can move by any one
of thefollowing
• rollers startto be exposed on one side
of thebearing
• lock nut/locking washer fouls therollers
andcage
• type ofseal.
To avoid the rollers and cage assembly from
contacting the lock nut/ washer, bearings in
theC22Kseries, uptoandincludingsize22,
should be used with a special adapter sleeve
that has a narrow slot and a self-locking
KMFE nut. These sleeves are identifiedby the
suffixE,e.g. H311E( † fig. 11).
Forbearings in theC22KandC32Kseries
from size 24 and above, sleeves aresupplied
withaKMLnut indicatedbysuffixL in the
sleeve designation, e.g. H 2324L.
CARB toroidal roller bearing on a steppedshaft and an adapter sleeve incorporatinga self-lockingKMFEnut
Fig.11
24
Application advice fortrouble-free operation
Condition monitoring is recommended for
SNL plummer blocks, particularly if they are
fitted to machines where bearing failures
would cause production stoppages. The early
recognition and trending of the degradationof
the machine and machine parts make it pos-
sible to analyse the root cause and to be able
to plan for corrective maintenance actions
before they areneeded.
Extensive monitoring experience and a
knowledge of the dynamic behaviour of
machines, machine components andbearings
where there is incipient damage enables SKF
to recommend two powerful signalprocessing
techniques that can be used for condition
monitoring.
Vibration velocity
The RMS (root mean square) of the velocity
ofvibrations inthefrequencyrange10Hzto
1kHzhasbeenusedwithgreatsuccessto
measure phenomena such as imbalance, mis-
alignment, resonance etc. High levels of vel-
ocity vibration can be generated by poor
machine conditions such as improper clear-
ances, imbalance, misalignment, weak foun-
dations, bent rotors, out-of-round, belt prob-
lems or damaged fan blades. The ISO
Standard 10816-1:1995 contains recom-
mendations for reference values for the RMS
velocity values measured on different classes
ofmachinesandmachineparts.Theserecom-
mendations provide a clear and quantifiable
measure for the changes inmachine condition.
Vibration velocity expressed as an overall RMS
value in the 10 Hz to 1 kHz frequency range
provides minimal information on defects in
rolling element bearings or gear mesh prob-
lems. These types of defect can now be easily
detected by enveloped acceleration in the
higher frequencyranges.
SKF Multilogonline systemIMx-T
SKF MachineCondition Transmitters(MCT)
SKF Micrologseries data collectors/ analysers
26
Envelopedacceleration
Bearing defects can be easily recognized by
measurement and analysis of an enveloped
acceleration signal of the higher frequencies
generated by the impact signals typical ofroll-
ing bearing defects and gear teeth problems.
This technique has proven to be extremely
reliable in the detection of incipient bearing
defects. The low frequencies generated by
imbalance, misalignment etc. are not meas-
ured and diagnosed within the enveloped
accelerationprocess.
• Condition monitoring and diagnosiswith
permanently installed monitoring systems
The SKF Multilog online system IMx-T is
the next generation of powerful, cost-
effective solutions for a variety of condition
monitoring applications. Together with
SKF @ptitude Observer software, Multilog
IMx-T provides a complete for early fault
detection and prevention, automaticadvice
for correcting existing or impendingcondi-
tions and advanced condition based main-
tenance to improve machine reliability,
availability andperformance.
SKF’s Machine Condition Transmitters
(MCT) deliver added value to essentialpro-
duction equipment by providing vital infor-
mation on bearing performance that helps
maximize potential machineutilization.
Highly cost-effective, using MCTs mean
potential problems can be spotted before
they deteriorate, so maintenance and
repair schedules can be forecast andpro-
duction arrangements can continue as
planned.
Each stand-alone monitoring devicemay
be permanently mounted onto a machine,
providing low-cost continuous monitoring
of specific machine, gear and bearing
performance parameters in pumps, fans,
motors and other general-purpose
machinery.
• Condition monitoring and diagnosiswith
a portable data collector andanalyser
SKF offers a range of portable condition
monitoring hardware, designed to assess
and report on temperature, oil condition,
speed, bearing condition, shaft alignment,
noise, vibration and more. Where a meas-
urementpointisdifficulttoaccess,perma-
nently installed sensors can be used.These
can be connected by cable to a connection
box accessible to the datacollector.
SNL housings prepared for condition monitoring
SNL housings have appropriate points for
sensors ( † fig. 1). Measuring point in posi-
tion 1 is perpendicular to the shaft, while
position 2 is parallel to the shaft. Both points
correspond to ISO 10816-1: 1995. The
measurementpointinposition3 isatapprox-
imately 45° to the shaft axis. For enveloped
acceleration, the angle of inclination of the
measuringpoint isofminor importance.
Measurement point in position 2 should be
used on SNL housings where the load acts
towardthebaseplate.Themeasuringpoint in
position 1 is intended for a housing that is
hung from its support or when the load acts
away from the baseplate.
Housingswithatappedhole forasensor in
position 3 can be supplied on request. These
housings are designated with the suffixSN.
For additional information aboutcondition
monitoring and the measurement tools and
systems available from SKF, contact the SKF
application engineeringservice.
Measuring points for condition monitoring
Position 1: Sensor position for acceleration enveloping on a vertical or hanging housing according to ISO 10816-1:1995
Position 3: This sensor position is a compromise and can be used forforces perpendicular or parallel to the shaft centreline as well as forces exhibited against the measurementpoint
Position 2:Sensor position foraxial measurements accordingtoISO10816-1:1995
Fig.1
B
27
Lubrication
SNL plummer blocks can accommodateeither
greaseoroil asalubricant,butgreaseispre-
ferred. For oil, SKFrecommends SONLhous-
ings. Whichever housing is used, thelubricant
should be selected based on the operating
conditions.Additionalinformationaboutlubri-
cant selection can be found in the SKF Gen-
eralCatalogue.
Grease lubrication
In most applications, the initial grease fill in
an SNL housing will adequately lubricatethe
bearing until the next plannedinspection.
However, certain operating conditions suchas
high speeds, high temperatures or heavy
loads may require more frequent relubrica-
tion. Table 1 provides guideline valuesfor
the initial grease fill. Depending on the
intended method of relubrication, thefollow-
ing grease fill percentages for the free space
in the housing arerecommended
• 40 %whenrelubricating fromtheside
of thebearing
• 20 %whenrelubricating through the
annulargrooveand lubricationholes
in thebearing outerring.
In either case, the free space in the bearing
should be completely filled with grease. For
relubrication quantities, more informationcan
be found in the SKF General Catalogue. Six
dimples cast into the top of the housing cap
indicates where holes can be drilled and
tapped to accommodate a grease fitting. One
dimple on each outer side of the central ridge
indicates a hole location to relubricate the
seal. SNL housings have, as standard, two
holes that have been drilled and tapped for a
greasefittingAH1/8-27PTF ( † fig. 2).On
a new housing, the holes are covered byplas-
ticplugs.Theseplugsshould bereplacedwith
the grease fitting and threaded plug supplied
with the housing. The hole in the middle of
the cap should be used to relubricate spheri-
cal roller bearings with a lubrication groove
and three holes in the outer ring, designation
suffixEorW33( † fig. 3).ForSNLhousings
from size 524 having an eye-bolt in centre of
housing thishole isdrilled inoneof theboss-
es ( † fig. 4). It should be noted that when
spherical roller bearings are to be lubricated
via the outer ring, the shaft should be rotat-
ing. If outer ring relubrication is not possible,
or if self-aligning ballbearings orCARBtoroi-
dal rollerbearings areused,theotherstand-
Relubricating a bearing via the outer ring and grease escapehole
Fig.3Fig.2
Table1
Grease fitting AH 1/8-27PTF
Greasequantities
Housing Greasequantities Housing GreasequantitiesSize First fill 40% First fill 20% Size First fill 40% Firstfill 20%
– g g – g g
SNL205 25 15 SNL505 25 15SNL206-305 40 25 SNL506-605 40 25SNL207 50 30 SNL507-606 50 30
SNL208-307 60 35 SNL508-607 60 35
SNL209 65 40 SNL509 65 40SNL210 75 45 SNL510-608 75 45
SNL211 100 60 SNL511-609 100 60
SNL212 150 90 SNL512-610 150 90SNL213 180 110 SNL513-611 180 110
SNL215 230 140 SNL515-612 230 140SNL216 280 170 SNL516-613 280 170SNL217 330 200 SNL517 330 200
SNL218 430 260 SNL518-615 430 260SNL519-616 480 300SNL520-617 630 390
SNL522-619 850 530SNL524-620 1000 630SNL526 1100 700
SNL528 1400 900
SNL530 1700 1100SNL532 2000 1300
28
ard hole should contain the greasefitting
( † fig. 5) and the centre hole should be
plugged. If a different size grease fitting willbe
used, adapters that fit into the existing holes
are available ( † fig. 6), making rework
unnecessary.
To improve the effectiveness of relubrica-
tion in applications where V-rings are used,
mountanadditionalV-ring insidethehousing
on the side where grease isapplied. Doing this
forces grease to travel through the bearing to
reach the escape hole on the opposite side of
the housing. For this type of sealing arrange-
ment, SKF supplies a V-ring and a splash
plate that fits in the seal groove to cover a bit
more than the top half of thehousing
( † fig. 7).TheV-ring andsplash plateset is
identified by the designation prefix ASNAfol-
lowed by the housing size identification and
thesuffixV,e.g.ASNA511V.
In applications where bearings aremount-
ed on adapter sleeves, the grease should be
introduced from the opposite side of the lock
nut. If the housing is located at the end of a
shaft, grease should be applied at the point
closest to the endcover.
In applications where L or C design seals
are used, grease cannot escape via the seals.
Therefore,if frequentrelubrication isrequired,
SKF recommends using a grease escape hole
( † fig. 3 and 5). SNL housings with a grease
escape hole are identified by the suffix V, e.g.
SNL 511-609 V. Recommended dimensions
canbefound in table2 onpage 30.
Bearing relubrication at the side of the housing,via a standard grease fitting and grease escapehole
Fig.5
Housing with an additional V-ring and splashplate
Fig.7Fig.6
Adapter
SNLhousing having an eye-bolt in centre of housing
Fig.4
B
29
Table3
Recommendedoil levels forSNL ..TURU plummerblock housings in the5 series
Housing Oil level forbearings in theseries
Designation 12 22 232 222 C22
min max min max min max min max min max
– mm
SNL 511 TURU 27
31 27 32 – – 27 31 28 32SNL 512 TURU 23 27 22 28 – – 23 27 23 26SNL 513 TURU 29 33 28 34 – – 28 33 29 34
SNL 515 TURU 24 29 23 29 – – 23 28 24 29
SNL 516 TURU 34 39 33 40 – – 33 39 34 39SNL 517 TURU 30 36 30 36 – – 29 35 30 36
SNL 518 TURU 31 38 31 38 33 37 30 37 30 36
SNL 519 TURU 38 45 38 46 – – 38 45 39 46SNL 520 TURU 34 42 34 42 37 42 33 41 35 43
SNL 522 TURU 39 47 38 48 42 47 37 46 39 48SNL 524 TURU 47 57 – – 50 55 46 55 46 56SNL 526 TURU – – – – 54 59 50 59 52 62
SNL 528 TURU – – – – 46 52 44 52 40 51
SNL 530 TURU – – – – 48 54 45 54 44 57SNL 532 TURU – – – – 50 57 47 57 – –
Theoil level ismeasured fromthebaseof thehousing.Marktheminandmaxlevelonthesightglass. Forhousingsin the3and6 series, consultSKF
Table2
Recommended dimensions forgrease escapeholes
Housing DimensionsSize Ja N3 a
– mm degrees
SNL205 8,5 10 45SNL206-305 10 10 45SNL207 10 10 45
SNL208-307 9 10 45
SNL209 10 10 45SNL210 11 10 45
SNL211 10 12 45
SNL212 9 12 45SNL213 13 12 45
SNL215 12,5 12 45
SNL216 14 16 45SNL217 17 16 45SNL218 20 16 40
SNL505 8,5 10 45
SNL506-605 10 10 45SNL507-606 10 10 45
SNL508-607 9 10 45
SNL509 10 10 45SNL510-608 11 10 45
SNL511-609 10 12 45
SNL512-610 9 12 45SNL513-611 13 12 45
SNL515-612 12,5 12 45
SNL516-613 14 16 45SNL517 17 16 45
SNL518-615 20 16 40
SNL519-616 20 16 50SNL520-617 21 16 50
SNL522-619 21 20 50
SNL524-620 24 20 55SNL526 22 20 55
SNL528 23 20 50
SNL530 25 20 55SNL532 25 20 60
The dimensions are those recommended when the standard AH 1/8-27 PTF grease fitting is used (sup-plied with the housing) but can also be applied if fit-tingswithR1/8,KR1/8orM10¥1 threadsareused. An adapter is available that fits the SNL standard lubrication hole, designation LAPN 1/8. Using this adapter fitting with G 1/4 thread and grease dispen-sers, e.g. SKF SYSTEM 24, can beapplied.
Ja
N3
a
30
Housing for oillubrication
Fig.9
Grease guidingsystem
Fig.8
Grease guidingsystem
SKF has developed a grease guiding system
forSNLhousings( † fig. 8).Thehousingcon-
tains an integrated flange that guideslubricant
from the grease fitting directly to the rolling
elements to provide a more efficient means of
relubrication. This design feature is available
onhousings fromsize511uptoandincluding
size532.
Oil lubrication
SNL housings can be used for oil lubrication
at relatively high speeds provided thehousing
has been modified. When using oil, it is
important to not overfill the sump and to use
specially developed U design seals ( † fig. 9)
or leaks may result. These seals, which are
described on page 20, are supplied with the
housing.
In order for these seals to be used, the
housing must be modified. SNL housings for
oil lubrication are supplied from SKF com-
plete with seals, ventilation plug and oil sight
glass. It is important not to exceed therecom-
mended oil level if leakage is to be avoided
( † table 3).
B
31
Mounting
SNL housings, together with the appropriate
SKF bearings, can create a robust,operation-
ally reliable system that will provide long
service life. However, if the system is to
achieve maximum service life, each compo-
nent must be mounted properly, using the
correcttools.
Bearings can be mounted either on a
tapered seat –typically an adaptersleeve
–or on a cylindricalseat.
Mounting bearings on a tapered seat When a bearing is mounted correctly on a
sleeve,therewillbeaninterferencefitbetween
theinner ring, sleeveandshaft.Thedegreeof
interference depends on how far the bearing
is driven up on the sleeve and can be deter-
mined either by measuring the reduction of
internal clearance in the bearing with a feeler
gauge or by measuring the drive-updistance.
Clearance reduction in a self-aligning ball
bearing with Normal radial internalclearance,
can be checked by turning and swiveling the
outer ring. If, when swiveling, the outer ring
provides slight resistance, it has a sufficient
degree of interference and the drive-up is
complete.
Another simple way to mount a self-align-
ingballbearingonanadaptersleeveis touse
aTMHN7 locknutspanner(available forbore
sizes up to 55 mm). These specially designed
spanners are marked with the angle through
which the lock nut shouldbe turned.
Small spherical roller and CARB toroidal
roller bearings can also be mounted on an
adaptersleevewithaTMHN7spanner.How-
ever, when mounting either of thesebearings,
donottousetheangleonthespanner,as it is
meant only for self-aligning ballbearings.
Appropriate angles can be found in thetables
in the chapters concerning spherical roller
bearings and CARB toroidal rollerbearings in
the SKF GeneralCatalogue.
To install larger spherical roller or CARB
toroidal roller bearings, either the clearance
reductionortheSKFDrive-up Methodshould
be used. When using a feeler gauge to meas-
ure clearance reduction, it is important that
the inner and outer rings of the bearing are
not displaced relative to eachother.
Detailsofthespanner locknutsetTMHN7,
several other mounting tools as well as the
SKF Drive-up Method can be found in the
catalogue MP3000 “SKF Maintenance and
Lubrication Products”, which will be sent on
request.
Table4
Position and size of dowelpin holes
Housing DimensionsSize J6 J7 N4
Housing DimensionsSize J6 J7 N4
max max
– mm – mm
SNL205 152 16 5 SNL505 152 16 5SNL206-305 172 19 5 SNL506-605 172 19 5SNL207 172 19 5 SNL507-606 172 19 5
SNL208-307 188 22 6 SNL508-607 188 22 6SNL209 188 22 6 SNL509 188 22 6SNL210 188 22 6 SNL510-608 188 22 6
SNL211 234 24,5 8 SNL511-609 234 24,5 8SNL212 234 27 8 SNL512-610 234 27 8SNL213 252 29 8 SNL513-611 252 29 8
SNL215 257 29 8 SNL515-612 257 29 8
SNL216 288 33 8 SNL516-613 288 33 8SNL217 292 33 8 SNL517 292 33 8
SNL218 317 35 8 SNL518-615 317 35 8
SNL519-616 317 35 8SNL520-617 348 39 8
SNL522-619 378 44 8
SNL524-620 378 44 8SNL526 414 46 12
SNL528 458 54 12
SNL530 486 58 12SNL532 506 58 12
J7
J6
J7
N4
32
Mounting bearingson a cylindrical seat
Bearings with a cylindrical bore are normally
mounted with an interference fit on the shaft.
Appropriateshafttolerancesshouldbeselected.
Small bearings may be mounted cold,driv-
en into position by applying light hammer
blows to a sleeve placed against the bearing
ring face.Theuseofamountingdollyenables
the mounting force to be appliedcentrally.
Theforcetomountbearings increasescon-
siderably with increasing bearing size. There-
fore, medium sized bearings should beheated
prior to mounting with an SKF electric induc-
tionheater.
Support surface for housing base
To provide long bearing service life, SKFrec-
ommends that all housing support surfaces
be finished to Ra ≤ 12,5 mm. The flatness
(planicity) tolerance should be to IT7. For
moderate demands, IT8 may besatisfactory.
Dowelpins
SNL housings are designed for loads acting
vertically to the housing base support. Ifthey
are to be subjected to moderate or heavy
loads, acting parallel to the basesupport,
a stop should be provided, or the housing
should be pinned to its support.Recommen-
dations for the position and size of the holes
to accommodate dowel pins are provided in
tables 4 and5.
Housings for four-bolt mounting
To attach SNL housings to T-shaped beams,
a variant with four oblong holes cast into the
mounting base can be supplied. Available
sizes are shown in table 5. These housings
are identified by the series designationFSNL,
e.g. FSNL511-609.It is also possible to drill four bolt holes in
the base of a standard SNL housing. Their
positions are indicated by cast dimples.Rec-
ommended dimensions are provided in
table 6 onpage 34. SNLhousings with four
drilled bolt holes can be supplied upon
request. These housings are identified by
the designation suffix /MS2,e.g.
SNL510-608/MS2.
NOTE: Housings supplied with four drilled
holes are not interchangeable with thevariant
containing four cast oblong bolt holes (FSNL).
Thesizeandpositionoftheholesaredifferent.
Table5
Housing DimensionsSize N N1 J1 J2 J6
– mm
FSNL511-609 20 15 210 35 234FSNL512-610 20 15 210 35 234FSNL513-611 20 15 230 40 252
FSNL515-612 20 15 230 40 257
FSNL516-613 24 18 260 50 288FSNL517 24 18 260 50 292
FSNL518-615 24 18 290 50 317
FSNL519-616 24 18 290 50 317FSNL520-617 24 18 320 60 348
FSNL522-619 24 18 350 70 378FSNL524-620 24 18 350 70 378FSNL526 28 22 380 70 414
FSNL528 32 26 420 80 458
FSNL530 32 26 450 90 486FSNL532 32 26 470 90 506
J2
J1
J6
N1
Bolt hole dimensions for fourcast oblongboltholes
Hole for grease fitting(standard)
Hole for grease fitting(standard)
N
Dimple indicating where to drill hole for dowel pin
Housings for two-bolt mounting
SNL housings are as standard performed
with two oblong cast holes with dimensions
according to the product tables. If twodrilled
holes in the base are needed, this can be
made provided an SSNLD housing with a
blank base is used. Their positions are indi-
cated by cast dimples. Recommended bolt
hole dimensions are provided in table 6 on
page 34. SSNLD housings with two drilled
bolt holes can be supplied upon request.
These housings are identified by thedesigna-
tion suffix /MS1, e.g. SSNLD516-613/MS1.
B
33
Spheroidal graphitecast ironhousings
For applications where extra strength is
required, SKFcan supply standard design SNL
housingsinspheroidalgraphitecastiron.Sizes
range from 510-608 to 532. For additional
information † page 53. The housings are
available with either four oblong bolt holes
cast into the base or a solid base. On special
request, housings can be delivered with two
orfourholesdrilledinthebase.
Ifholeswillbedrilledon-sitebythecustomer,
dimplescastintothehousingbaseindicatethe
optimum location of the hole. Recommended
holedimensionscanbefoundintable6.
In all other respects these housings are
identical to those manufactured in grey cast
iron,enablingthesamebearingsandcompo-
nents to beused.
Spheroidal graphite cast iron housings with
a solid base are identified by the series desig-
nation SSNLD, e.g. SSNLD 511-609.Housings
with four holes cast into the base are identified
by the series designation FSNLD, e.g. FSNLD
511-609. Housings with two holes drilled in
the base have a designation suffix /MS1, while
thosewithfourdrilledholeshaveadesignation
suffix /MS2, e.g. SSNLD 511-609/MS1 and
SSNLD 511-609/MS2,respectively.
Attachmentbolts
SKF recommends using 8.8 class hexagonal
bolts in accordance with ISO 4014:1999. If
the load does not act vertically to the base, it
may be necessary to use stronger bolts,class
10.9. Details of the appropriate tightening
torquesfortheboltstoclass8.8areprovided
in table2 onpage 52.
Table6
Bolt hole dimensions fordrilledboltholes
MS1
SSNLD
MS2
SNL SSNLD
Housing Two bolt holes(MS1)1) Four bolt holes(MS2)Size Dimensions Appropriate
J N1 boltsizeDimensionsJ1 J2 N2
Appropriateboltsize
– mm mm in mm mm in
SNL208-307 – – – – 160 34 11 M10 3/8
SNL209 – – – – 160 34 11 M10 3/8
(S)SNL(D) 210 170 15 M12 1/2 160 34 11 M10 3/8
(S)SNL(D) 211 210 18 M16 5/8 200 40 14 M12 1/2
(S)SNL(D) 212 210 18 M16 5/8 200 40 14 M12 1/2
(S)SNL(D) 213 230 18 M16 5/8 220 48 14 M12 1/2
(S)SNL(D) 215 230 18 M16 5/8 220 48 14 M12 1/2
(S)SNL(D) 216 260 22 M20 3/4 252 52 18 M16 5/8
(S)SNL(D) 217 260 22 M20 3/4 252 52 18 M16 5/8
(S)SNL(D) 218 290 22 M20 3/4 280 58 18 M16 5/8
SNL508-607 – – – – 160 34 11 M10 3/8
SNL509 – – – – 160 34 11 M10 3/8
(S)SNL(D) 510-608 170 15 M12 1/2 160 34 11 M10 3/8
(S)SNL(D) 511-609 210 18 M16 5/8 200 40 14 M12 1/2
(S)SNL(D) 512-610 210 18 M16 5/8 200 40 14 M12 1/2
(S)SNL(D) 513-611 230 18 M16 5/8 220 48 14 M12 1/2
(S)SNL(D) 515-612 230 18 M16 5/8 220 48 14 M12 1/2
(S)SNL(D) 516-613 260 22 M20 3/4 252 52 18 M16 5/8
(S)SNL(D) 517 260 22 M20 3/4 252 52 18 M16 5/8
(S)SNL(D) 518-615 290 22 M20 3/4 280 58 18 M16 5/8
(S)SNL(D) 519-616 290 22 M20 3/4 280 58 18 M16 5/8
(S)SNL(D) 520-617 320 26 M24 7/8 300 66 18 M16 5/8
(S)SNL(D) 522-619 350 26 M24 7/8 320 74 18 M16 5/8
(S)SNL(D) 524-620 350 26 M24 7/8 330 74 18 M16 5/8
(S)SNL(D) 526 380 28 M24 1 370 80 22 M20 3/4
(S)SNL(D) 528 420 35 M30 11/4 400 92 26 M24 7/8
(S)SNL(D) 530 450 35 M30 11/4 430 100 26 M24 7/8
(S)SNL(D) 532 470 35 M30 11/4 450 100 26 M24 7/8
J2
J1
N2
N1
J
1) Valid for SSNLD housingsonly
34
Mounting SNL housings with four-lipsealsBefore starting installation work, thefollowing
instructions should be readcarefully.
1. Be sure that the work area is clean. Check
the dimensional and form accuracy of the
shaft seat. The shaft should be machined
to a h9/IT5 tolerance for adapter sleeve
mounting.
2. Check that the roughness of the support
surface is Ra ≤ 12,5 µm. The flatness
(planicity) tolerance should be to IT7.
Make sure that the mounting surface is
clean. If shims are used, the whole sur-
face must be covered by shims. The
mounting surface (frame) must be
designed to accommodate actual load,
vibrations andsettings.
3. Mount any components that are on the
shaft between the two SNLhousings.
4. If the bearing is mounted on an adapter
sleeve, determine its position relative to
the housing. For spherical roller bearings
with a lubrication groove and three holes
in the outer ring, SKF recommends using
the relubrication hole in the centre of the
housing. When relubrication from the
side of the bearing is required such as for
CARB toroidal roller bearings or self-
aligning ball bearings, the housing must
be positioned so that the grease fitting is
ontheoppositesideofthelocknut.When
a housing is located at the end of a shaft,
grease should be applied at the end cover
side.
8. Mount the second bearing and housing,
following steps 4 to7.
9. Lay the shaft with the two bearings in the
two housingbases.
10. For locating bearing arrangements and
arrangements with CARB toroidal roller
bearings, put in one locating ring oneach
side of thebearing.
11. Carefully align the two housing bases.
Vertical markings at the middle of the
side faces and ends of the housingbases
can facilitate this. Then, lightly tighten
the attachment bolts on bothhousings.
12. The remaining seal halves should be
inserted in the seal grooves in the two
housing caps and the space betweenthe
inner sealing lips filled withgrease.
13. Place the two housing caps over each
base and tighten the cap bolts (to join
cap and base) to the torque specified in
table 2 on page 52. The cap and base of
one housing are not interchangeablewith
those of other housings. The cap and
base of each housing should be checked
to see that they bear the same serial
number.
14. Check the alignment of the two housings
tominimizemisalignmentandfully tight-
en theattachmentbolts in the twohous-
ing bases.Recommended tightening tor-
quesareprovidedin table2 onpage 52.
5. Position thehousingonthesupport sur-
face.Fit theattachmentbolts, butdonot
tightenthem.
6. Insert one seal half in each of thegrooves
in the housing base (If a stepped shaft is
used, first mount the distance ring). Fill
the space between the two inner sealing
lips with grease. If the housing is to be
used at the end of a shaft, insert an end
cover instead of a sealhalf.
7. Mount the bearing on the shaft, using an
adapter sleeve. Completely fill thebearing
with grease. The remainder of the rec-
ommended grease quantity should be
put inthe housing base at the sides
( † table1,page 28).
36
5
7
6
5
6
10
10
9
11
13
14
12
12
B
37
Mounting SNL housings with V-ringsealsBefore starting installation work, thefollowing
instructions should be readcarefully.
1. Be sure that the work area is clean. Check
the dimensional and form accuracyof
theshaft seat.Theshaft shouldbe
machinedtoah9/IT5tolerance for
adaptersleevemounting.
2. Check that the roughness of the support
surface is Ra ≤ 12,5 µm. The flatness
(planicity) tolerance should be to IT7.
Make sure that the mounting surface is
clean. If shims are used, the whole sur-
face must be covered by shims. The
mounting surface (frame) must be
designed to accommodate actual load,
vibrations andsettings.
3. Mount any components that are on the
shaft between the two SNLhousings.
4. If the bearing is mounted on an adapter
sleeve, determine its position relative to
the housing. For spherical roller bearings
with a lubrication groove and three holes
in the outer ring, SKF recommends using
the relubrication hole in the centre of the
housing. When relubrication from the
side of the bearing is required such as for
CARB toroidal roller bearings or self-
aligning ball bearings, the housing must
be positioned so that the grease fitting is
ontheoppositesideofthelocknut.When
a housing is located at the end of a shaft,
grease should be applied at the end cover
side.
5. Position the housing on the support sur-
face.Fit theattachmentbolts, butdonot
tightenthem.
6. Arrange the one V-ring with sealing
washer on the shaft. The V-ring should
be furthest away from the bearing and
seal against the washer, i.e. the lipshould
point inwards towards thewasher.
7. Mount the bearing on the shaft –either
directly on a stepped shaft or using an
adapter sleeve. Completely fill thebearing
with grease. The remainder of the rec-
ommended grease quantity should be
put inthe housing base at the sides
( † table1,page 28).
8. Arrange the second sealing washer and
V-ring on the shaft at the other side of
the bearing (If a stepped shaft is used,
first mount the distance ring). If the
housing is to be used at the end of a
shaft, mount an end coverinstead.
9. Mount the second bearing and housing,
following steps 4 to8.
10. Lay the shaft with the two bearings and
sealingwashers inthetwohousingbases.
11. For locating bearing arrangements and
arrangements with CARB toroidal roller
bearings, put in one locating ring oneach
side of thebearing.
12. Carefully align the two housing bases.
Vertical markings at the middle of the
side faces and ends of the housingbases
can facilitate this. Then, lightly tighten
the attachment bolts on bothhousings.
13. Place the two housing caps over each
base and tighten the cap bolts (to join
cap and base) to the torque specified in
table 2 on page 52. The cap and base of
one housing are not interchangeablewith
those of other housings. The cap and
base of each housing should be checked
to see that they bear the same serial
number.
14. Check the alignment of the two housings
tominimizemisalignmentandfully tight-
en theattachmentbolts in the twohous-
ing bases.Recommended tightening tor-
quesareprovidedin table2 onpage 52.
15. Coat the V-ring counterfaces on theseal-
ing washers withgrease.
16. Finally, push the V-ring seals into their
correct position. Thiscan be done using
a screwdriver while turning theshaft.
38
5
5 8
6
8
7
11
11
10 12
15
13
16
14
B
39
Mounting SNL housings with feltsealsBefore starting installation work, thefollowing
instructions should be readcarefully.
1. Be sure that the work area is clean. Check
the dimensional and form accuracy of the
shaft seat. The shaft should be machined
to a h9/IT5 tolerance for adapter sleeve
mounting.
2. Check that the roughness of the support
surface is Ra ≤ 12,5 µm. The flatness
(planicity) tolerance should be to IT7.
Make sure that the mounting surface is
clean. If shims are used, the whole sur-
face must be covered by shims. The
mounting surface (frame) must be
designed to accommodate actual load,
vibrations andsettings.
3. Mount any components that are on the
shaft between the two SNLhousings.
4. If the bearing is mounted on an adapter
sleeve, determine its position relative to
the housing. For spherical roller bearings
with a lubrication groove and three holes
in the outer ring, SKF recommends using
the relubrication hole in the centre of the
housing. When relubrication from the
side of the bearing is required such as for
CARB toroidal roller bearings or self-
aligning ball bearings, the housing must
be positioned so that the grease fitting is
ontheoppositesideofthelocknut.When
a housing is located at the end of a shaft,
grease should be applied at the end cover
side.
5. Position the housing on the support sur-
face.Fit theattachmentbolts, butdonot
tightenthem.
6. Insert the rubber O-section cords in the
grooves in the housing base. If the hous-
ing is to be used at the end of a shaft,
insert an end cover instead ofone O-sec-
tioncord.
7. Place one felt ring seal half (in light alloy
ring) over the O-section cord in each
sealing groove in the housing base.
(Details about mounting of loose felt
strips † page 18) (Ifasteppedshaft is
used, firstmount the distance ring).
8. Mount the bearing on the shaft –either
directly on a stepped shaft or using an
adapter sleeve. Completely fill thebearing
with grease. The remainder of the rec-
ommended grease should be put in the
housing base at the sides ( † table 1,
page28).
9. Mount the second bearing and housing,
following steps 4 to8.
10. Lay the shaft with the two bearings inthe
two housingbases.
11. For locating bearing arrangements and
arrangements with CARB toroidal roller
bearings, put in one locating ring oneach
side of thebearing.
12. Carefully align the two housing bases.
Vertical markings at the middle of the
side faces and ends of the housingbases
can facilitate this. Then, lightly tighten
the attachment bolts on bothhousings.
13. Put the O-ring cord into thesealing
grooves in the two housingcaps.
14. The remaining seal halves should be
inserted in the seal grooves inthe two
housing caps over the O-ringcords.
15. Place the two housing caps over each
base and tighten the cap bolts (to join
cap and base) to the torque specified in
table 2 on page 52. The cap and base of
one housing are not interchangeablewith
those of other housings. The cap and
base of each housing should be checked
to see that they bear the same serial
number.
16. Check the alignment of the two housings
tominimizemisalignmentandfully tight-
en theattachmentbolts in the twohous-
ing bases.Recommended tightening tor-
quesareprovidedin table2 onpage 52.
40
5
5
6
7
6
8
10
11
11
12
14
13
14
13
15
16
B
41
Mounting SNL housings with labyrinthsealsBefore starting installation work, thefollowing
instructions should be readcarefully.
1. Be sure that the work area is clean. Check
the dimensional and form accuracy of the
shaft seat. The shaft should be machined
to a h9/IT5 tolerance for adapter sleeve
mounting.
2. Check that the roughness of the support
surface is Ra ≤ 12,5 µm. The flatness
(planicity) tolerance should be to IT7.
Make sure that the mounting surface is
clean. If shims are used, the whole sur-
face must be covered by shims. The
mounting surface (frame) must be
designed to accommodate actual load,
vibrations andsettings.
3. Mount any components that are on the
shaft between the two SNLhousings.
4. If the bearing is mounted on an adapter
sleeve, determine its position relative to
the housing. For spherical roller bearings
with a lubrication groove and three holes
in the outer ring, SKF recommends using
the relubrication hole in the centre of the
housing. When relubrication from the
side of the bearing is required such as for
CARB toroidal roller bearings or self-
aligning ball bearings, the housing must
be positioned so that the grease fitting is
ontheoppositesideofthelocknut.When
a housing is located at the end of a shaft,
grease should be applied at the end cover
side.
5. Position the housing on the support sur-
face.Fit theattachmentbolts, butdonot
tightenthem.
6. Mountthefirst labyrinth seal ontheshaft
in the correctposition.
7. Mount the bearing on the shaft –either
directly on a stepped shaft or using an
adapter sleeve. Completely fill thebearing
with grease. The remainder of the rec-
ommended grease should be put in the
housing base at the sides ( † table 1,
page28).
8. Mount the second labyrinth ring on the
shaft in the correct position. (If astepped
shaft is used, first mount the distance
ring). If the housing is to be used at the
end of a shaft, the second seal isomitted
and an end cover inserted in thehousing
baseinstead.
9. Mount the second bearing and housing,
following steps 4 to8.
10. Lay the shaft with the two bearings and
labyrinth rings in the two housingbases.
11. For locating bearing arrangements and
arrangements with CARB toroidal roller
bearings, put in one locating ring oneach
side of thebearing.
12. Carefully align the two housing bases.
Vertical markings at the middle of the
side faces and ends of the housingbases
can facilitate this. Then, lightly tighten
the attachment bolts on bothhousings.
13. Place the two housing caps over each
base and tighten the cap bolts (to join
cap and base) to the torque specified in
table 2 on page 52. The cap and base of
one housing are not interchangeablewith
those of other housings. The cap and
base of each housing should be checked
to see that they bear the same serial
number.
14. Check the alignment of the two housings
tominimizemisalignmentandfully tight-
en theattachmentbolts in the twohous-
ing bases.Recommended tightening tor-
quesareprovidedin table2 onpage 52.
15. Finally insert the hollow O-ring cordof
synthetic rubber in the grooves in the
labyrinth rings. This can be doneusing
a screwdriver while turning theshaft.
42
5
5 8
6
7
11
11
10
12
13
14
15
B
43
Mounting SNL housings with taconitesealsBefore starting installation work, thefollowing
instructions should be readcarefully.
1. Be sure that the work area is clean. Check
the dimensional and form accuracy of the
shaft seat. The shaft should be machined
to a h9/IT5 tolerance for adapter sleeve
mounting.
2. Check that the roughness of the support
surface is Ra ≤ 12,5 µm. The flatness
(planicity) tolerance should be to IT7.
Make sure that the mounting surface is
clean. If shims are used, the whole sur-
face must be covered by shims. The
mounting surface (frame) must be
designed to accommodate actual load,
vibrations andsettings.
3. Mount any components that are on the
shaft between the two SNLhousings.
4. If the bearing is mounted on an adapter
sleeve, determine its position relative to
the housing. For spherical roller bearings
with a lubrication groove and three holes
in the outer ring, SKF recommends using
the relubrication hole in the centre of the
housing. When relubrication from the
side of the bearing is required such as for
CARB toroidal roller bearings or self-
aligning ball bearings, the housing must
be positioned so that the grease fitting is
ontheoppositesideofthelocknut.When
a housing is located at the end of a shaft,
grease should be applied at the end cover
side.
5. Position the housing on the support sur-
face.Fit theattachmentbolts, butdonot
tightenthem.
6. Mount the first V-ring together with one
labyrinth seal on the shaft in the correct
position. The lip of the V-ring should
point towards the bearing. Place thesplit
ring over the V-ring and labyrinth ring
andscrewtogether.Thetwopartsof this
split ring are not interchangeable. They
should be checked to see that they carry
the same serialnumber.
7. Mount the bearing on the shaft –either
directly on a stepped shaft or using an
adapter sleeve. Completely fill thebearing
with grease. The remainder of the rec-
ommended grease should be put in the
housing base at the sides ( † table 1,
page28).
8. Mount the second seal according to point
6 (If a stepped shaft is used, first mount
the distance ring). If the housing is to be
used at the end of a shaft, the second
seal is omitted and an end coverinserted
in the housing baseinstead.
9. Use the hollow O-section cord to fix the
labyrinthring inpositionontheshaft.A
screwdrivercanbeused to fit thecords
whilst rotating theshaft. Mountthe
O-ringonthesealouterdiameter.
10. Mount the second bearing andhousing,
following steps 4 to9.
11. Lay the shaft with the two bearingsand
seals in the two housing bases taking
care that the O-rings are notdamaged.
12. For locating bearing arrangements and
arrangements with CARB toroidal roller
bearings, put in one locating ring oneach
side of thebearing.
13. Carefully align the two housing bases.
Vertical markings at the middle of the
side faces and ends of the housingbases
can facilitate this. Then, lightly tighten
the attachment bolts on bothhousings.
14. Place the two housing caps over each
base and tighten the cap bolts (to join
cap and base) to the torque specified in
table 2 on page 52. The cap and base of
one housing are not interchangeablewith
those of other housings. The cap and
base of each housing should be checked
to see that they bear the same serial
number.
15. Check the alignment of the two housings
tominimizemisalignmentandfully tight-
en theattachmentbolts in the twohous-
ing bases.Recommended tightening tor-
quesareprovidedin table2 onpage 52.
16. Finally, before the first test run, rotatethe
shaft and supply grease via the fitting
until it exudes from the labyrinth rings.
The same grease as that used for the
bearings should also be used to lubricate
the labyrinthrings.
44
5
7 6
8
6
7
12
12
11 13
14
16
15
B
5
45
Mounting SNL housings with oilsealsBefore starting installation work, thefollowing
instructions should be readcarefully.
1. Be sure that the work area is clean. Check
the dimensional and form accuracy of the
shaft seat. The shaft should be machined
to a g7/IT5 tolerance for adapter sleeve
mounting, and performed with a lead-in
chamfer of about 3 mm ¥15°.
2. Check that the roughness of the support
surface is Ra ≤ 12,5 µm. The flatness
(planicity) tolerance should be to IT7.
Make sure that the mounting surface is
clean. If the mounting surface is painted,
the paint has to be removed. If shimsare
used, the whole surface must becovered
by the shims. The mounting surface
(frame) must be designed to accommo-
date actual load, vibrations andsettings.
3. Mount any components that are on the
shaft between the two SNLhousings.
4. If the bearing is mounted on an adapter
sleeve,determine its position relative to
thehousing.
5. Make sure that the attachment surface of
the housing is cleaned from paint and
contamination. Positioning the housing
base on the support surface. Fit the
attachmentbolts,butdonottightenthem.
6. Assemble the seals. Check if the O-ring
and hollow O-ring cord of syntheticrub-
ber are at the right position in their
respective grooves ( † fig. 8 on
page 20).Thedimensionsofthehollow
O-ring cord of synthetic rubberare
1 ¥ 3mm.
7. Coat the shaft lightly with a thin oil. Slide
the first seal to its right position, some
millimetres outside its workingposition.
8. Mount the bearing on the shaft –either
directly on a stepped shaft or using an
adaptersleeve.
9. Slide the second seal to the right position
on the shaft, as describes in point 7 (If a
stepped shaft is used, first mount the
distance ring). If the housing is to beused
at the end of a shaft, the second seal is
omitted and the inner part of the end
cover is inserted in the housing base seal
groove.
10. Mount the second bearing andhousing,
following steps 4 to9.
11. Lay the shaft with the two bearings and
seal assemblies in the two housingbases.
12. For locating bearing arrangements and
arrangements with CARB toroidal roller
bearings, put in one locating ring oneach
side of thebearing.
13. Carefully align the two housing bases.
Vertical markings at the middle of the
side faces and ends of the housing bases
canfacilitatethis.Then, lightly tighten the
attachment bolts on bothhousings.
14. Apply a string of oil-resistant sealant, of
type Blue Silicone or equal, along the
outer contour-line and around the holes,
on the housing split surfaces. Then place
the two housing caps over each base and
tighten the cap bolts (to join cap and
base) to the torque specified in table 2on
page 52. The cap and base of one hous-
ing are not interchangeable with those of
otherhousings.Thecapandbaseofeach
housing should be checked to see that
they bear the same serialnumber.
15. Check the alignment of the two housings
tominimizemisalignmentandfully tight-
en theattachmentbolts in the twohous-
ing bases.Recommended tightening tor-
quesareprovidedin table2 onpage 52.
16. Slide the seals against the housing side
surfaces. Mount the seal mounting
screws and tighten them. If an end cover
has been mounted fully tighten thescrew
on the external part ofthe end cover.
17. Mount the supplied ventilating plugs on
the top of the housings and, when oil
bath lubrication is used, mount the oil
level sight glasses. When circulating oil
lubrication is used, connect the oil inlet
and outlet pipes to thehousing.
Note:It is important that sealant,of type
Loctite or equal, is appliedonall threads
onthesuppliedaccessories.
18. When an oil bath lubrication is used, the
maximum and minimum levels shouldbe
indicated on the sight glass. Recom-
mended oil levels to be used for the
mounted bearings can be foundin
table 3 on page 30. The oil levels must
be read while the application is notoper-
ating.
Important: For oil bath lubrication, it is
important not to overfill the maximum
level as this can cause oil leakage from
the housings. For circulating oil, it is
important that the outletpipes can drain
the housing in a proper way to avoid
overfill of oilinside the housings.
19. Protect the housing assemblies from
negative pressure from surrounding
equipment.
20. One dayafter tightening the cap and
attachmentbolts,makesure that the
proper torquewasmaintained.
46
5
9
57
8
12
12
13
14
15
18
17
16
B
47
Designationchart
Prefixes
–FS
Twooblong cast holes for attachment boltsFouroblongcastholes forattachmentboltsNoholes
Basicdesign
Material–D
Housing of grey castironHousingofspheroidalgraphitecastiron/ductile iron
Size
205 to218505 to532
Suffixes
TURU Housing prepared for oillubrication with sealsV Housing with a grease escape hole in thebaseT Drilledandtappedhole1/4-28UNFatonesideof thecaptoaccommodate agreasefittingAH1/4-28SAE-LT
forrelubrication of seal; fitting supplied with the housingTD Drilledandtappedhole1/4-28UNFatbothsidesof thecaptoaccommodate agreasefittingAH1/4-28SAE-LT
for lubricationofseals,twofittings supplied withhousingSN Housing withdrilledandtappedhole forsensorposition4( † fig. 1 onpage 27)/MS1 Two drilled holes for attachmentbolts/MS2 Fourdrilledholes forattachmentbolts
Wheretwoormore suffixesareusedthey arelisted in thesameorderasabove.
Designations and housingdata–general
Designations
SNL housing designations consist of a basic
designation that identifies the design,mate-
rial and size, followed by any supplementary
designations needed to identify featuresthat
differ from the standard design. A dash(–) in
the designation chart indicates that the fea-
tures belong to the standarddesign.
F SNL D 522-619 SN
Load carryingability
SNL plummer block housings are intendedfor
loads acting vertically toward the base plate
(support). If loads acting in other directions
occur, check to be sure that themagnitude
ofthe load ispermissible for thehousing, for
the bolts joining the housing cap and base,
and for the attachmentbolts.
Load carrying ability of the housing
Guideline values for the breaking load Pof the
housing for various load directions are pro-
videdin table1.Thepermissible housing load
can be obtained from these values by applying
a selected safety factor that depends on the
operating conditions. In general engineering
in Europe, a safety factor of 6 is often used. It
is important fortheloadcarrying abilityof the
48
housing that thebolts joining thecapand
baseare tightened in accordancewith the
valuesprovidedin table2 onpage 52.
The axial load carrying capacity of the
housing isapproximately65%ofP180°.The
housing should be pinned to the support or
a stop should be provided in the directionof
the load, if one of following conditionsapply
• load angles between 55°and 120°exist• if theaxial loadsactingparallel to thebase
plate (support surface)exceed5 %ofP180°
shownin table1.
Note that P0°values are valid only when the
housing isnotsupported in themiddleof the
base plate i.e. the space between the rein-
forcement ribs in the baseplate.
The axial load carrying capacity of the
adapter sleeve must also be considered,see
General Catalogue for moreinformation.
Load carrying ability of cap bolts
SNLplummerblockhousingsaresuppliedwith8.8 strength cap bolts as standard. SNL hous-
ingsmadeofspheroidalgraphitecastironhave
10.9 strength cap bolts. The guideline values
fortheyieldpointQforthecapboltsarepro-
vided in table 2 on page 52 for various load
directionsaswellasthecorrespondingmaxi-
mum radial loadsF.
To avoid elastic separation of the cap and
base under load, and to resist gradualloosen-
ing over time, the cap bolts should be tight-
ened to the torque specifications listed in the
table. This is particularly important for hous-
ings that are subjected to cyclic loading and
dynamicimbalance.
Torque values for cap bolts are general
guidelines based on bolt manufacturers’ spe-
cifications and normal mounting practices
where external loads act on the housingbase.
For applications where external stationary
and/or rotating upward loads exist, consult
the SKF application engineeringservice.
Table1
Breaking loads forSNL plummerblock housings
HousingSize
Breaking loads forSNL and FSNL housingsP0° P55° P90° P120° P150° P180°
Pa
– kN
SNL205 100 155 95 70 60 80 52SNL206-305 130 170 100 80 65 85 55SNL207 140 190 115 85 80 95 60
SNL208-307 150 215 130 95 85 110 70
SNL209 160 230 140 100 90 115 75SNL210 170 265 155 120 110 130 85
SNL211 190 275 170 125 115 140 90
SNL212 210 300 180 130 120 150 100SNL213 270 340 205 150 130 170 110
SNL215 290 410 250 185 160 205 135
SNL216 350 430 260 190 175 215 140SNL217 370 480 290 205 190 240 155SNL218 430 550 340 250 215 275 180
SNL505 100 155 95 70 60 80 52
SNL506-605 130 170 100 80 65 85 55SNL507-606 140 190 115 85 80 95 60
SNL508-607 150 215 130 95 85 110 70
SNL509 160 230 140 100 90 115 75SNL510-608 170 265 155 120 110 130 85
(F)SNL511-609 190 275 170 125 115 140 90
(F)SNL512-610 210 300 180 130 120 150 100(F)SNL513-611 270 340 205 150 130 170 110
(F)SNL515-612 290 410 250 185 160 205 135
(F)SNL516-613 350 430 260 190 175 215 140(F)SNL517 370 480 290 205 190 240 155
(F)SNL518-615 430 550 340 250 215 275 180
(F)SNL519-616 450 580 350 260 230 290 190(F)SNL520-617 470 620 370 280 250 310 200
(F)SNL522-619 600 680 410 310 275 340 220
(F)SNL524-620 800 790 470 350 320 400 260(F)SNL526 900 900 540 410 360 450 295
(F)SNL528 1000 1050 630 470 430 530 345
(F)SNL530 1100 1200 730 540 480 600 390(F)SNL532 1300 1450 860 640 570 720 470
P55°P0° P90° P120°
P150° P180° Pa
C
49
Table2
Load carrying abilityand tightening torques forcap bolts and attachmentbolts
Q120°
F120°
Q150°
F150°
Q180°
F180°
HousingSize
CapboltsYieldpoint Maximumload Tightening Designation
AttachmentboltsSize Tightening
for bothbolts for bothbolts torque to ISO4014 torque
Q120° Q150° Q180° F120° F150° F180°
– kN kN Nm – – Nm
SNL205 150 85 75 50 30 25 50 M10¥40 M12 80SNL206-305 150 85 75 50 30 25 50 M10¥40 M12 80SNL207 150 85 75 50 30 25 50 M10¥50 M12 80
SNL208-307 150 85 75 50 30 25 50 M10¥50 M12 80
SNL209 150 85 75 50 30 25 50 M10¥50 M12 80SNL210 150 85 75 50 30 25 50 M10¥55 M12 80
SNL211 220 125 110 80 45 40 80 M12¥60 M16 200
SNL212 220 125 110 80 45 40 80 M12¥60 M16 200SNL213 220 125 110 80 45 40 80 M12¥65 M16 200
SNL215 220 125 110 80 45 40 80 M12¥65 M16 200
SNL216 220 125 110 80 45 40 80 M12¥70 M20 385SNL217 220 125 110 80 45 40 80 M12¥80 M20 385SNL218 400 230 200 170 100 85 150 M16¥90 M20 385
SNL505 150 85 75 50 30 25 50 M10¥40 M12 80
SNL506-605 150 85 75 50 30 25 50 M10¥40 M12 80SNL507-606 150 85 75 50 30 25 50 M10¥50 M12 80
SNL508-607 150 85 75 50 30 25 50 M10¥50 M12 80
SNL509 150 85 75 50 30 25 50 M10¥50 M12 80SNL510-608 150 85 75 50 30 25 50 M10¥55 M12 80
SNL511-609 220 125 110 80 45 40 80 M12¥60 M16 200
SNL512-610 220 125 110 80 45 40 80 M12¥60 M16 200SNL513-611 220 125 110 80 45 40 80 M12¥65 M16 200
SNL515-612 220 125 110 80 45 40 80 M12¥65 M16 200
SNL516-613 220 125 110 80 45 40 80 M12¥70 M20 385SNL517 220 125 110 80 45 40 80 M12¥80 M20 385
SNL518-615 400 230 200 170 100 85 150 M16¥90 M20 385
SNL519-616 400 230 200 170 100 85 150 M16¥90 M20 385SNL520-617 620 360 310 260 150 130 200 M20¥100 M24 665
SNL522-619 620 360 310 260 150 130 200 M20¥100 M24 665
SNL524-620 620 360 310 260 150 130 200 M20¥110 M24 665SNL526 900 520 450 380 220 190 350 M24¥130 M24 665
SNL528 900 520 450 380 220 190 350 M24¥130 M30 1310
SNL530 900 520 450 380 220 190 350 M24¥130 M30 1310SNL532 900 520 450 380 220 190 350 M24¥130 M30 1310
50
Materials
Standard SNL housings are made of grey cast
iron. Sizes up to and including 28 comply with
EN-GJL-200 specifications. Sizes 30–32com-
ply with EN-GJL-250specifications.
For applications where extra strength and
resistance are required, SNL housings are
also available in spheroidal graphite cast iron
that comply with EN-GJS-400-18 specifica-
tions. Sizes range from 510-608 to 532 and
are dimensionally interchangeable withhous-
ings made from grey cast iron. For spheroidal
graphite cast iron, the values for P obtained
from table1 onpage 51 should bemultiplied
by a factor of1,8.
These housings are supplied as standard
withasolidbase,fromsize510-608,orwith
four oblong cast bolt holes in the base, from
size 511-609. Spheroidal graphite cast iron
housings are designated SSNLD for a solid
base, e.g. SSNLD 513-611 or FSNLD for
housings with four oblong cast holes,e.g.
FSNLD513-611.
Bearing seattolerance
SNL housings can be supplied with different
bearing seat tolerances. E.g. an interference
fit is advantageous for self-aligning bearing
systems (spherical roller bearing in the locat-
ing position and a CARB bearing in the non-
locating position) or if the application is sub-
jected to vibration. For additional information
contact the SKF application engineeringserv-
ice.
Paintingsystem
SNL plummer block housings arepaintedas standard in accordance with ISO12944-2:
1998, environmental Class C2. Black colour:
RAL9005.
Safe loads
For the American and Canadian markets, the
norm is to use safe loads instead of breaking
loads. The approximate safe loads fordifferent
load directions are provided in table 3 on
page 54. These guideline limits have been
established using accepted engineering prac-
tices with consideration given to safety, ulti-
mate tensile strength of the materials,and
working stresses to reflect a safety factor of 5
against base fracture, and a minimum factor
of 2 against cap bolt yield. The housings
should be pinned to the support or a stop
should be provided in the direction ofthe load,
if one of following conditionsapply
• load angles 55°and 120°exist• if the axial loads acting parallel to the base
plate(supportsurface)exceeds25 %of the
P180°valueshownin table3 onpage 54.
The maximum permissible axial load that can
be safely carried by the housing assembly
depends on various considerations inaddition
to the operational performance abilities ofthe
bearing. For a purely axial load (static or
dynamic), the permissible load on thehousing
should not exceed 65 %of P180° value shown
in table3 onpage 54.
C
51
P55°P0°
Table3
Safe loads forSNL plummerblockhousings
HousingSize
Safe loads forSNL and FSNL plummerblock housingsP0° P55° P90° P120° P150° P180° Pa
– kN/lbf
22
SNL205 20 31 19 14 12 16 10,4
4500 6975 4275 3150 2700 3600 2340SNL206-305 26 34 20 16 13 17 11
5850 7650 4500 3600 2925 3825 2475SNL207 28 38 23 17 16 19 12
6300 8550 5175 3825 3600 4275 2700
P90° P120° SNL208-307 30 43 26 19 17 22 14
6750 9675 5850 4275 3825 4950 3150SNL209 32 46 28 20 18 23 15
7200 10350 6300 4500 4050 5175 3375SNL210 34 53 31 24 22 26 17
7650 11925 6975 5400 4950 5850 3825
SNL211 38 55 34 25 23 28 18
8550 12375 7650 5625 5175 6300 4050SNL212 42 60 36 26 24 30 20
P150° P180° SNL213945054
1350068
810041
585030
540026
675034
4500
12150 15300 9225 6750 5850 7650 4950
SNL215 58 82 50 37 32 41 27
13050 18450 11250 8325 7200 9225 6075SNL216 70 86 52 38 35 43 28
15750 19350 11700 8550 7875 9675 6300SNL217 74 96 58 41 38 48 31
16650 21600 13050 9225 8550 10800 6975Pa SNL218 86 110 68 50 43 55 36
19350 24750 15300 11250 9675 12375 8100
SNL505 20 31 19 14 12 16 10,4
4500 6975 4275 3150 2700 3600 2340SNL506-605 26 34 20 16 13 17 11
5850 7650 4500 3600 2925 3825 2475SNL507-606 28 38 23 17 16 19 12
6300 8550 5175 3825 3600 4275 2700
SNL508-607 30 43 26 19 17 22 14
6750 9675 5850 4275 3825 4950 3150SNL509 32 46 28 20 18 23 15
7200 10350 6300 4500 4050 5175 3375SNL510-608 34 53 31 24 22 26 17
7650 11925 6975 5400 4950 5850 3825
(F)SNL511-609 38 55 34 25 23 28 18
8550 12375 7650 5625 5175 6300 4050(F)SNL512-610 42 60 36 26 24 30 20
9450 13500 8100 5850 5400 6750 4500(F)SNL513-611 54 68 41 30 26 34 22
12150 15300 9225 6750 5850 7650 4950
(F)SNL515-612 58 82 50 37 32 41 27
13050 18450 11250 8325 7200 9225 6075(F)SNL516-613 70 86 52 38 35 43 28
15750 19350 11700 8550 7875 9675 6300(F)SNL517 74 96 58 41 38 48 31
16650 21600 13050 9225 8550 10800 6975
(F)SNL518-615 86 110 68 50 43 55 36
19350 24750 15300 11250 9675 12375 8100(F)SNL519-616 90 116 70 52 46 58 38
20250 26100 15750 11700 10350 13050 8550(F)SNL520-617 94 124 74 56 50 62 40
21150 27900 16650 12600 11250 13950 9000
52
cont. table3
Safe loads forSNL plummerblockhousings
Housing Safe loads forSNL and FSNL plummerblock housingsSize P0° P55° P90° P120° P150° P180° Pa
– kN/lbf
(F)SNL522-619 120 136 82 62 55 68 4427000 30600 18450 13950 12375 15300 9900
(F)SNL524-620 160 158 94 70 64 80 5236000 35550 21150 15750 14400 18000 11700
(F)SNL526 180 180 108 82 72 90 5940500 40500 24300 18450 16200 20250 13275
(F)SNL528 200 210 126 94 86 106 69
45000 47250 28350 21150 19350 23850 15525(F)SNL530 220 240 146 108 96 120 78
49500 54000 32850 24300 21600 27000 17550(F)SNL532 260 290 172 128 114 144 94
58500 65250 38700 28800 25650 32400 21150
C
53
Shaft Housing Dimensions Mass Designations
da A A1 H H1 H2 J L N N1 G Housing Seals Endcover
mm mm kg –
20 67 46 74 40 19 130 165 20 15 12 1,45 SNL505SNL505SNL505SNL505
TSN505ATSN 505CTSN 505STSN 505ND
ASNH505ASNH505ASNH505ASNH505
77 52 89 50 22 150 185 20 15 12 2,00 SNL506-605SNL506-605SNL506-605SNL506-605
TSN605ATSN 605CTSN 605STSN 605ND
ASNH506-605ASNH506-605ASNH506-605ASNH506-605
25 77 52 89 50 22 150 185 20 15 12 2,00 SNL506-605SNL506-605SNL506-605SNL506-605
TSN506ATSN 506CTSN 506STSN 506ND
ASNH506-605ASNH506-605ASNH506-605ASNH506-605
82 52 93 50 22 150 185 20 15 12 2,20 SNL507-606SNL507-606SNL507-606SNL507-606
TSN606ATSN 606CTSN 606STSN 606ND
ASNH507-606ASNH507-606ASNH507-606ASNH507-606
30 82 52 93 50 22 150 185 20 15 12 2,20 SNL507-606SNL507-606SNL507-606SNL507-606SNL507-606
TSN 507LTSN507ATSN 507CTSN 507STSN 507ND
ASNH507-606ASNH507-606ASNH507-606ASNH507-606ASNH507-606
85 60 108 60 25 170 205 20 15 12 2,90 SNL508-607SNL508-607SNL508-607SNL508-607
TSN607ATSN 607CTSN 607STSN 607ND
ASNH508-607ASNH508-607ASNH508-607ASNH508-607
35 85 60 108 60 25 170 205 20 15 12 2,90 SNL508-607SNL508-607SNL508-607SNL508-607SNL508-607
TSN 508LTSN508ATSN 508CTSN 508STSN 508ND
ASNH508-607ASNH508-607ASNH508-607ASNH508-607ASNH508-607
90 60 113 60 25 170 205 20 15 12 3,20 SNL510-608SNL510-608SNL510-608SNL510-608
TSN608ATSN 608CTSN 608STSN 608ND
ASNH510-608ASNH510-608ASNH510-608ASNH510-608
Labyrinth seals, Sdesign Taconite seals, NDdesign
A3A2
SNL plummer block housings for bearings on an adapter sleeve, metric shafts
da 20 – 35 mm
Ca
H
H1
A1
A
Four-lip seals, Ldesign1)
Da da
1) Dimension A remains the same also with C and A sealdesigns
54
Shaft Bearing Width Appropriate bearings and associatedcomponents
da
seat
Ca Da
acrosssealsA2
A3
Self-aligning ballbearingSpherical rollerbearing
Adaptersleeve
Locatingrings2 perhousing
Self-aligning ballbearingSpherical roller bearing Sealed spherical rollerbearing CARB toroidal rollerbearing
Adaptersleeve
Locatingrings 2perhousing
mm mm mm –
20 25 52 80 125 1205EKTN9 H205 FRB5/52 2205EKTN9 H305 FRB3.5/52– – – 22205EK H305 FRB3.5/52
– – –C 2205KTN9 H 305E FRB3.5/52
32 62 89 135 1305EKTN9 H305 FRB7.5/62 – – –
– – – – – –– – –– – –
25 32 62 89 135 1206EKTN9 H206 FRB8/62 2206EKTN9 H306 FRB6/62
– – – 22206EK H306 FRB6/62– – –C 2206KTN9 H 306E FRB6/62
34 72 94 140 1306EKTN9 H306 FRB7.5/72 2306K H2306 FRB3.5/72
21306CCK H306 FRB7.5/72 – – –– – –– – –
30 34 72 94 145 1207EKTN9 H207 FRB8.5/72 2207EKTN9 H307 FRB5.5/72
– – – 22207EK H307 FRB5.5/72– – –C 2207KTN9 H 307E FRB5.5/72
39 80 97 145 1307EKTN9 H307 FRB9/80 2307EKTN9 H2307 FRB4/80
21307CCK H307 FRB9/80 – – –– – –– – –
35 39 80 97 150 1208EKTN9 H208 FRB10.5/80 2208EKTN9 H308 FRB8/80
– – – 22208EK H308 FRB8/80BS2-2208-2CSK/VT143 H 2308E FRB5.5/80C 2208KTN9 H 308E FRB8/80
41 90 102 150 1308EKTN9 H308 FRB9/90 2308EKTN9 H2308 FRB4/90
21308EK H308 FRB9/90 22308EK H2308 FRB4/90– – –– – –
H2
G
J
L
N
N1A1
C
55
Shaft Housing Dimensions Mass Designations
da A A1 H H1 H2 J L N N1 G Housing Seals Endcover
mm mm kg –
40 85 60 109 60 25 170 205 20 15 12 2,90 SNL509SNL509SNL509SNL509SNL509
TSN 509LTSN509ATSN 509CTSN 509STSN 509ND
ASNH509ASNH509ASNH509ASNH509ASNH509
95 70 128 70 28 210 255 24 18 16 4,40 SNL511-609SNL511-609SNL511-609SNL511-609SNL511-609SNL609 TURU
TSN 609LTSN609ATSN 609CTSN 609STSN 609NDincluded
ASNH511-609ASNH511-609ASNH511-609ASNH511-609ASNH511-609ASNH 511-609R
45 90 60 113 60 25 170 205 20 15 12 3,20 SNL510-608SNL510-608SNL510-608SNL510-608SNL510-608
TSN 510LTSN510ATSN 510CTSN 510STSN 510ND
ASNH510-608ASNH510-608ASNH510-608ASNH510-608ASNH510-608
105 70 134 70 30 210 255 24 18 16 5,10 SNL512-610SNL512-610SNL512-610SNL512-610SNL512-610SNL610 TURU
TSN 610LTSN610ATSN 610CTSN 610STSN 610NDincluded
ASNH512-610ASNH512-610ASNH512-610ASNH512-610ASNH512-610ASNH 512-610R
50 95 70 128 70 28 210 255 24 18 16 4,40 SNL511-609SNL511-609SNL511-609SNL511-609SNL511-609SNL511 TURU
TSN 511LTSN511ATSN 511CTSN 511STSN 511NDincluded
ASNH511-609ASNH511-609ASNH511-609ASNH511-609ASNH511-609ASNH 513-611R
110 80 150 80 30 230 275 24 18 16 6,50 SNL513-611SNL513-611SNL513-611SNL513-611SNL513-611SNL611 TURU
TSN 611LTSN611ATSN 611CTSN 611STSN 611NDincluded
ASNH513-611ASNH513-611ASNH513-611ASNH513-611ASNH513-611ASNH 513-611R
Labyrinth seals, Sdesign Taconite seals, NDdesign
A3A2
SNL plummer block housings for bearings on an adapter sleeve, metric shafts
da 40 – 50 mm
Ca
H
H1
A1
A
Four-lip seals, Ldesign1)
Da da
A4
Oilseals,TURUdesign
1) Dimension A remains the same also with C and A sealdesigns
56
Shaft Bearing Widthacross Appropriate bearings and associatedcomponents
da
seat
Ca Da
seals
A2 A3 A4
Self-aligning ballbearingSpherical rollerbearing
Adaptersleeve
Locatingrings2 perhousing
Self-aligning ballbearingSpherical roller bearing Sealed spherical rollerbearing CARB toroidal rollerbearing
Adaptersleeve
Locatingrings 2perhousing
mm mm mm –
40 30 85 97 150 – 1209EKTN9 H209 FRB5.5/85 2209EKTN9 H309 FRB3.5/85– – – 22209EK H309 FRB3.5/85
BS2-2209-2CSK/VT143 H 309E FRB1/85C 2209KTN9 H 309E FRB3.5/85
44 100 107 155 112 1309EKTN9 H309 FRB9.5/100 2309EKTN9 H2309 FRB4/100
21309EK H309 FRB9.5/100 22309EK H2309 FRB4/100– – –– – –
45 41 90 102 155 – 1210EKTN9 H210 FRB10.5/90 2210EKTN9 H310 FRB9/90
– – – 22210EKBS2-2210-2CSK/VT143 C 2210KTN9
H310H 310EH 310E
FRB9/90FRB6.5/90 FRB9/90
48 110 117 165 124 1310EKTN9 H310 FRB10.5/110 2310K H2310 FRB4/110
21310EK H310 FRB10.5/110 22310EK––
H2310––
FRB4/110––
50 44 100 107 165 112 1211EKTN9 H211 FRB11.5/100 2211EKTN9 H311 FRB9.5/100
– – – 22211EK H311 FRB9.5/100BS2-2211-2CSK/VT143 H 311E FRB6.5/100C 2211KTN9 H 311E FRB9.5/100
51 120 122 170 128 1311EKTN9 H311 FRB11/120 2311K H2311 FRB4/120
21311EK H311 FRB11/120 22311EK––
H2311––
FRB4/120––
H2
G
J
L
N
N1A1
C
57
Shaft Housing Dimensions Mass Designations
da A A1 H H1 H2 J L N N1 G Housing Seals Endcover
mm mm kg –
55 105 70 134 70 30 210 255 24 18 16 5,10 SNL512-610SNL512-610SNL512-610SNL512-610SNL512-610SNL512 TURU
TSN 512LTSN512ATSN 512CTSN 512STSN 512NDincluded
ASNH512-610ASNH512-610ASNH512-610ASNH512-610ASNH512-610ASNH 515-612R
115 80 156 80 30 230 280 24 18 16 7,00 SNL515-612SNL515-612SNL515-612SNL515-612SNL515-612SNL612 TURU
TSN 612LTSN612ATSN 612CTSN 612STSN 612NDincluded
ASNH515-612ASNH515-612ASNH515-612ASNH515-612ASNH515-612ASNH 515-612R
60 110 80 149 80 30 230 275 24 18 16 6,50 SNL513-611SNL513-611SNL513-611SNL513-611SNL513-611SNL513 TURU
TSN 513LTSN513ATSN 513CTSN 513STSN 513NDincluded
ASNH513-611ASNH513-611ASNH513-611ASNH513-611ASNH513-611ASNH 516-613R
120 90 177 95 32 260 315 28 22 20 9,50 SNL516-613SNL516-613SNL516-613SSNL516-613SNL516-613SNL613 TURU
TSN 613LTSN613ATSN 613CTSN 613STSN 613NDincluded
ASNH516-613ASNH516-613ASNH516-613ASNH516-613ASNH516-613ASNH 516-613R
65 115 80 155 80 30 230 280 24 18 16 7,00 SNL515-612SNL515-612SNL515-612SNL515-612SNL515-612SNL515 TURU
TSN 515LTSN515ATSN 515CTSN 515STSN 515NDincluded
ASNH515-612ASNH515-612ASNH515-612ASNH515-612ASNH515-612ASNH 518-615R
140 100 194 100 35 290 345 28 22 20 12,5 SNL518-615SNL518-615SNL518-615SNL518-615SNL518-615SNL615 TURU
TSN 615LTSN615ATSN 615CTSN 615STSN 615NDincluded
ASNH518-615ASNH518-615ASNH518-615ASNH518-615ASNH518-615ASNH 518-615R
Labyrinth seals, Sdesign Taconite seals, NDdesign
A3A2
SNL plummer block housings for bearings on an adapter sleeve, metric shafts
da 55 – 65 mm
Ca
H
H1
A1
A
Four-lip seal, Ldesign1)
Da da
A4
Oilseals,TURUdesign
1) Dimension A remains the same also with C and A sealdesigns
58
Shaft Bearing Widthacross Appropriate bearings and associatedcomponents
da
seat
Ca Da
seals
A2 A3 A4
Self-aligning ballbearingSpherical rollerbearing
Adaptersleeve
Locatingrings2 perhousing
Self-aligning ballbearingSpherical roller bearing Sealed spherical rollerbearing CARB toroidal rollerbearing
Adaptersleeve
Locatingrings 2perhousing
mm mm mm –
55 48 110 117 175 124 1212EKTN9 H212 FRB13/110 2212EKTN9 H312 FRB10/110– – – 22212EK H312 FRB10/110
BS2-2212-2CSK/VT143 H 312E FRB7/110C 2212KTN9 H 312E FRB10/110
56 130 127 175 134 1312EKTN9 H312 FRB12.5/130 2312K H2312 FRB5/13021312EK H312 FRB12.5/130 22312EK H2312 FRB5/130
– – –– – –
60 51 120 122 180 128 1213EKTN9 H213 FRB14/120 2213EKTN9 H313 FRB10/120
– – – 22213EK H313 FRB10/120BS2-2213-2CSK/VT143 H 2313E FRB6,5/120C 2213KTN9 H 313E FRB10/120
58 140 138 180 141 1313EKTN9 H313 FRB12.5/140 2313K H2313 FRB5/140
21313EK H313 FRB12.5/140 22313EK––
H2313––
FRB5/140––
65 56 130 127 175 134 1215K H215 FRB15.5/130 2215EKTN9 H315 FRB12.5/130
– – – 22215EK H315 FRB12.5/130BS2-2215-2CSK/VT143 H 315E FRB9/130C 2215K H 315E FRB12.5/130
65 160 158 200 159 1315K H315 FRB14/160 2315K H2315 FRB5/160
21315EK H315 FRB14/160 22315EK–C 2315K
H2315–H2315
FRB5/160–FRB5/160
H2
G
J
L
N
N1A1
C
59
Shaft Housing Dimensions Mass Designations
da A A1 H H1 H2 J L N N1 G Housing Seals Endcover
mm mm kg –
70 120 90 177 95 32 260 315 28 22 20 9,50 SNL516-613SNL516-613SNL516-613SNL516-613SNL516-613SNL516 TURU
TSN 516LTSN516ATSN 516CTSN 516STSN 516NDincluded
ASNH516-613ASNH516-613ASNH516-613ASNH516-613ASNH516-613ASNH 216R
145 100 212 112 35 290 345 28 22 20 13,7 SNL519-616SNL519-616SNL519-616SNL519-616SNL519-616SNL616 TURU
TSN 616LTSN616ATSN 616CTSN 616STSN 616NDincluded
ASNH519-616ASNH519-616ASNH519-616ASNH519-616ASNH519-616ASNH 519-616R
75 125 90 183 95 32 260 320 28 22 20 10,0 SNL517SNL517SNL517SNL517SNL517SNL517 TURU
TSN 517LTSN517ATSN 517CTSN 517STSN 517NDincluded
ASNH517ASNH517ASNH517ASNH517ASNH517ASNH 217R
160 110 218 112 40 320 380 32 26 24 17,6 SNL520-617SNL520-617SNL520-617SNL520-617SNL520-617SNL617 TURU
TSN 617LTSN617ATSN 617CTSN 617STSN 617NDincluded
ASNH520-617ASNH520-617ASNH520-617ASNH520-617ASNH520-617ASNH 520-617R
80 140 100 194 100 35 290 345 28 22 20 12,5 SNL518-615SNL518-615SNL518-615SNL518-615SNL518-615SNL518 TURU
TSN 518LTSN518ATSN 518CTSN 518STSN 518NDincluded
ASNH518-615ASNH518-615ASNH518-615ASNH518-615ASNH518-615ASNH 218R
Labyrinth seals, Sdesign Taconite seals, NDdesign
A3A2
SNL plummer block housings for bearings on an adapter sleeve, metric shafts
da 70 – 80 mm
Ca
H
H1
A1
A
Four-lip seal, Ldesign1)
Da da
A4
Oilseals,TURUdesign
1) Dimension A remains the same also with C and A sealdesigns
60
Shaft Bearing Widthacross Appropriate bearings and associatedcomponents
da
seat
Ca Da
seals
A2 A3 A4
Self-aligning ballbearingSpherical rollerbearing
Adaptersleeve
Locatingrings2 perhousing
Self-aligning ballbearingSpherical roller bearing Sealed spherical rollerbearing CARB toroidal rollerbearing
Adaptersleeve
Locatingrings 2perhousing
mm mm mm –
70 58 140 138 205 141 1216K H216 FRB16/140 2216EKTN9 H316 FRB12.5/140– – – 22216EK H316 FRB12.5/140
BS2-2216-2CSK/VT143 H 316E FRB9/140C 2216K H 316E FRB12.5/140
68 170 163 205 166 1316K H316 FRB14.5/170 2316K H2316 FRB5/17021316EK H316 FRB14.5/170 22316EK H2316 FRB5/170
– – –C 2316K H2316 FRB5/170
75 61 150 143 210 143 1217K H217 FRB16.5/150 2217K H317 FRB12.5/150
– – – 22217EK H317 FRB12.5/150BS2-2217-2CSK/VT143 H 317E FRB8.5/150C 2217K H 317E FRB12.5/150
70 180 178 220 181 1317K H317 FRB14.5/180 2317K H2317 FRB5/180
21317EK H317 FRB14.5/180 22317EK–C 2317K
H2317–H2317
FRB5/180–FRB5/180
80 65 160 158 225 159 1218K H218 FRB17.5/160 2218K H318 FRB12.5/160
23218 CCK/W33 H2318 FRB6.25/160 22218EK H318 FRB12.5/160BS2-2218-2CSK/VT143 H 2318E FRB8.5/160C 2218K H 318E FRB12.5/160
H2
G
J
L
N
N1A1
C
61
Shaft Housing Dimensions Mass Designations
da A A1 H H1 H2 J L N N1 G Housing Seals Endcover
mm mm kg –
85 145 100 212 112 35 290 345 28 22 20 13,7 SNL519-616SNL519-616SNL519-616SNL519-616SNL519-616SNL519 TURU
TSN 519LTSN519ATSN 519CTSN 519STSN 519NDincluded
ASNH519-616ASNH519-616ASNH519-616ASNH519-616ASNH519-616ASNH 519-616R
175 120 242 125 45 350 410 32 26 24 22,0 SNL522-619SNL522-619SNL522-619SNL522-619SNL619 TURU
TSN619ATSN 619CTSN 619STSN 619NDincluded
ASNH522-619ASNH522-619ASNH522-619ASNH522-619ASNH 522-619R
90 160 110 218 112 40 320 380 32 26 24 17,6 SNL520-617SNL520-617SNL520-617SNL520-617SNL520-617SNL520 TURU
TSN 520LTSN520ATSN 520CTSN 520STSN 520NDincluded
ASNH520-617ASNH520-617ASNH520-617ASNH520-617ASNH520-617ASNH 520-617R
185 120 271 140 45 350 410 32 26 24 26,2 SNL524-620SNL524-620SNL524-620SNL524-620SNL620 TURU
TSN620ATSN 620CTSN 620STSN 620NDincluded
ASNH524-620ASNH524-620ASNH524-620ASNH524-620ASNH 524-620R
100 175 120 242 125 45 350 410 32 26 24 22,0 SNL522-619SNL522-619SNL522-619SNL522-619SNL522-619SNL522 TURU
TSN 522LTSN522ATSN 522CTSN 522STSN 522NDincluded
ASNH522-619ASNH522-619ASNH522-619ASNH522-619ASNH522-619ASNH 522-619R
110 185 120 271 140 45 350 410 32 26 24 26,2 SNL524-620SNL524-620SNL524-620SNL524-620SNL524-620SNL524 TURU
TSN 524LTSN524ATSN 524CTSN 524STSN 524NDincluded
ASNH524-620ASNH524-620ASNH524-620ASNH524-620ASNH524-620ASNH 524-620R
Labyrinth seals, Sdesign Taconite seals, NDdesign
A3A2
SNL plummer block housings for bearings on an adapter sleeve, metric shafts
da 85 – 110 mm
Ca
H
H1
A1
A
Four-lip seals, Ldesign1)
Da da
A4
Oilseals,TURUdesign
1) Dimension A remains the same also with C and A sealdesigns
62
Shaft Bearing Widthacross Appropriate bearings and associatedcomponents
da
seat
Ca Da
seals
A2 A3 A4
Self-aligning ballbearingSpherical roller bearing CARB toroidal rollerbearing
Adaptersleeve
Locatingrings2 perhousing
Self-aligning ballbearingSpherical roller bearing Sealed spherical rollerbearing CARB toroidal rollerbearing
Adaptersleeve
Locatingrings 2perhousing
mm mm mm –
85 68 170 163 220 166 1219K H219 FRB18/170 2219KM H319 FRB12.5/170– – – 22219EK H319 FRB12.5/170– – – – – –
C 2219K1) H 319E FRB12,5/170
80 200 191 235 195 1319K H319 FRB17.5/200 2319KM H2319 FRB6.5/20021319EK H319 FRB17.5/200 22319EK H2319 FRB6.5/200– – – – – –
C 2319K H2319 FRB6.5/200
90 70 180 178 230 181 1220K H220 FRB18/180 2220KM H320 FRB12/180
23220 CCK/W33 H2320 FRB4.85/180 22220EK H320 FRB12/180– – – BS2-2220-2CS5K/VT143 H 2320E FRB7.5/180
C 2220K H 320E FRB12/180
86 215 199 240 203 1320K21320EK–
H320H320–
FRB19.5/215 FRB19.5/215–
2320KM22320EK–
H2320H2320–
FRB6.5/215 FRB6.5/215–
C 2320K H2320 FRB6.5/215
100 80 200 191 250 195 1222K H222 FRB21/200 2222KM H322 FRB13.5/200
23222 CCK/W33 H2322 FRB5.1/200 22222EK H322 FRB13.5/200– – – BS2-2222-2CS5K/VT143
C 2222KH 2322EH 322E
FRB8.5/200FRB13.5/200
110 86 215 199 260 203 1224KM H3024 FRB22/215 – – –
23224 CCK/W33 H2324 FRB5/215 22224EK H3124 FRB14/215C 3224K H 2324L FRB5/215 BS2-2224-2CS5K/VT143 H 2324E FRB8.5/215
C 2224K1) H 3124L FRB14/215
H2
G
J
L
N
N1A1
C
1) Check with SKF foravailability
63
Shaft Housing Dimensions Mass Designations
Housing Seals Endcoverda A A1 H H1 H2 J L N N1 G
mm mm kg –
115 190 130 290 150 50 380 445 35 28 24 33,0 SNL526SNL526SNL526SNL526SNL526SNL526 TURU
TSN 526LTSN526ATSN 526CTSN 526STSN 526NDincluded
ASNH526ASNH526ASNH526ASNH526ASNH526ASNH 526R
125 205 150 302 150 50 420 500 42 35 30 40,0 SNL528SNL528SNL528SNL528SNL528SNL528 TURU
TSN 528LTSN528ATSN 528CTSN 528STSN 528NDincluded
ASNH528ASNH528ASNH528ASNH528ASNH528ASNH 528R
135 220 160 323 160 60 450 530 42 35 30 49,0 SNL530SNL530SNL530SNL530SNL530SNL530 TURU
TSN 530LTSN530ATSN 530CTSN 530STSN 530NDincluded
ASNH530ASNH530ASNH530ASNH530ASNH530ASNH 530R
140 235 160 344 170 60 470 550 42 35 30 55,0 SNL532SNL532SNL532SNL532SNL532SNL532 TURU
TSN 532LTSN532ATSN 532CTSN 532STSN 532NDincluded
ASNH532ASNH532ASNH532ASNH532ASNH532ASNH 532R
Labyrinth seals, Sdesign Taconite seals, NDdesign
A3A2
SNL plummer block housings for bearings on an adapter sleeve, metric shafts
da 115 – 140 mm
Ca
H
H1
A1
A
Four-lip seals, Ldesign1)
Da da
A4
Oilseals,TURUdesign
1) Dimension A remains the same also with C and A sealdesigns
64
Shaft Bearing Widthacross Appropriate bearings and associatedcomponents
seat seals Spherical rollerbearing Adapter Locatingrings Spherical rollerbearing Adapter LocatingSealed spherical rollerbearing sleeve 2 perhousing Sealed spherical roller bearing sleeve rings
da Ca Da A2 A3 A4 CARB toroidal rollerbearing CARB toroidal rollerbearing 2perhousing
mm mm mm –
115 90 230 208 265 211 23226 CCK/W33 H2326 FRB5/230 22226 EK H3126 FRB13/23023226-2CS5K/VT143 H 2326L FRB5/230 BS2-2226-2CS5K/VT143 H 2326E FRB7.5/230– – C2226 K H 3126L FRB13/230
125 98 250 223 285 225 23228 CCK/W33 H2328 FRB5/250 22228 CCK/W33 H3128 FRB15/250
23228-2CS5K/VT143 H2328 FRB5/250 22228-2CS5K/VT143 H 3128L FRB15/250– – C 2228K H 3128L FRB15/250
135 106 270 241 295 241 23230CCK/W33 H 2330 FRB 5/270 22230CCK/W33 H3130 FRB16.5/270
23230-2CS5K/VT143 H2330LFRB5/270 22230-2CS5K/VT143 H3130 FRB16.5/270– – C 2230K H 3130L FRB16.5/270
140 114 290 254 315 257 23232 CCK/W33 H 2332 FRB 5/290 22232 CCK/W33 H3132 FRB17/290
– – 22232-2CS5K/VT143 H3132 FRB17/290C 3232K H2332L FRB5/290 – – –
H2
G
J
L
N
N1A1
C
65
Shaft Housing Dimensions Mass Designations
da A A1 H H1 H2 J L N N1 G G Housing Seals Endcover
in/mm mm in kg –
3/4 67 46 74 40 19 130 165 20 15 12 1/2 1,45 SNL505 TSN505A ASNH50519,05 SNL505
SNL505SNL505
TSN 505CTSN 505SETSN 505NDE
ASNH505ASNH505ASNH505
77 52 89 50 22 150 185 20 15 12 1/2 2,00 SNL506-605SNL506-605SNL506-605SNL506-605
TSN605ATSN 605CTSN 605SETSN 605NDE
ASNH506-605ASNH506-605ASNH506-605ASNH506-605
15/16 77 52 89 50 22 150 185 20 15 12 1/2 2,00 SNL506-605 TSN506A ASNH506-605
28,813 SNL506-605SNL506-605SNL506-605
TSN 506CTSN 506SATSN 506NDA
ASNH506-605ASNH506-605ASNH506-605
82 52 93 50 22 150 185 20 15 12 1/2 2,20 SNL507-606SNL507-606SNL507-606SNL507-606
TSN606ATSN 606CTSN 606SATSN 606NDA
ASNH507-606ASNH507-606ASNH507-606ASNH507-606
1 77 52 89 50 22 150 185 20 15 12 1/2 2,00 SNL506-605 TSN506A ASNH506-605
25,4 SNL506-605SNL506-605SNL506-605
TSN 506CTSN 506SETSN 506NDE
ASNH506-605ASNH506-605ASNH506-605
82 52 93 50 22 150 185 20 15 12 1/2 2,20 SNL507-606SNL507-606SNL507-606SNL507-606
TSN606ATSN 606CTSN 606SETSN 606NDE
ASNH507-606ASNH507-606ASNH507-606ASNH507-606
11/8 82 52 93 50 22 150 185 20 15 12 1/2 2,20 SNL507-606 TSN507A ASNH507-606
28,575 SNL507-606SNL507-606SNL507-606
TSN 507CTSN 507SSTSN 507NDS
ASNH507-606ASNH507-606ASNH507-606
85 60 108 60 25 170 205 20 15 12 1/2 2,90 SNL508-607SNL508-607SNL508-607SNL508-607
TSN607ATSN 607CTSN 607SSTSN 607NDS
ASNH508-607ASNH508-607ASNH508-607ASNH508-607
Labyrinth seals, SA/SE/SSdesign Taconite seals, NDA/NDE/NDSdesign
A3A2
SNL plummer block housings for bearings on an adaptersleeve, inch shafts
da 3/4 – 1 1/8 in
Ca
H
H1
A1
A
V-ring seals,A design1)
Da da
1) Dimension A remains the same also with C/CE sealdesign
66
Shaft Bearing Width Appropriate bearings and associatedcomponents
da
seat
Ca Da
acrosssealsA2 A3
Self-aligning ballbearingSpherical rollerbearing
Adaptersleeve
Locatingrings2 perhousing
Self-aligning ballbearingSpherical roller bearing CARB toroidal rollerbearing
Adaptersleeve
Locatingrings2 perhousing
in/mm mm mm –
3/4 25 52 80 125 1205EKTN9 HE205 FRB5/52 2205EKTN9 HE305 FRB3.5/5219,05 – – – 22205EK
C 2205KTN9HE305HE 305E
FRB3.5/52FRB3.5/52
32 62 89 135 1305EKTN9 HE305 FRB7.5/62 – – –
– – – ––
––
––
15/16 32 62 89 135 1206EKTN9 HA206 FRB8/62 2206EKTN9 HA306 FRB6/6223,813 – – – 22206EK
C 2206KTN9HA306HA 306E
FRB6/62FRB6/62
34 72 94 140 1306EKTN9 HA306 FRB7.5/72 2306K HA2306 FRB3.5/72
21306CCK HA306 FRB7.5/72 ––
––
––
1 32 62 89 135 1206EKTN9 HE206 FRB8/62 2206EKTN9 HE306 FRB6/62
25,4 – – – 22206EKC 2206KTN9
HE306HE 306E
FRB6/62FRB6/62
34 72 94 140 1306EKTN9 HE306 FRB7.5/72 2306K HE2306 FRB3.5/72
21306CCK HE2306 FRB7.5/72 ––
––
––
11/8 34 72 94 145 1207EKTN9 HS207 FRB8.5/72 2207EKTN9 HS307 FRB5.5/7228,575 – – – 22207EK
C 2207KTN9HS307HS 307E
FRB5.5/72FRB5.5/72
39 80 97 145 1307EKTN9 HS307 FRB9/80 2307EKTN9 HS2307 FRB4/80
21307CCK HS307 FRB9/80 ––
––
––
H2
G
J
L
N
N1A1
C
67
Shaft Housing Dimensions Mass Designations
da A A1 H H1 H2 J L N N1 G G Housing Seals Endcover
in/mm mm in kg –
13/16 82 52 93 50 22 150 185 20 15 12 1/2 2,20 SNL507-606 TSN 507L ASNH507-60630,163 SNL507-606
SNL507-606SNL507-606SNL507-606
TSN507ATSN 507CTSN 507SATSNA 507NDA
ASNH507-606ASNH507-606ASNH507-606ASNH507-606
85 60 108 60 25 170 205 20 15 12 1/2 2,90 SNL508-607SNL508-607SNL508-607SNL508-607
TSN607ATSN 607CTSN 607SATSN 607NDA
ASNH508-607ASNH508-607ASNH508-607ASNH508-607
11/4 85 60 108 60 25 170 205 20 15 12 1/2 2,90 SNL508-607 TSN 508AE ASNH508-607
31,75 SNL508-607SNL508-607SNL508-607
TSN 508CETSN 508SETSN 508NDE
ASNH508-607ASNH508-607ASNH508-607
90 60 113 60 25 170 205 20 15 12 1/2 3,20 SNL510-608SNL510-608SNL510-608SNL510-608
TSN 608AETSN 608CETSN 608SETSN 608NDE
ASNH510-608ASNH510-608ASNH510-608ASNH510-608
13/8 85 60 108 60 25 170 205 20 15 12 1/2 2,90 SNL508-607 TSN 508L ASNH508-607
34,925 SNL508-607SNL508-607SNL508-607SNL508-607
TSN508ATSN 508CTSN 508SSTSN 508NDS
ASNH508-607ASNH508-607ASNH508-607ASNH508-607
90 60 113 60 25 170 205 20 15 12 1/2 3,20 SNL510-608SNL510-608SNL510-608SNL510-608
TSN608ATSN 608CTSN 608SSTSN 608NDS
ASNH510-608ASNH510-608ASNH510-608ASNH510-608
17/16 85 60 109 60 25 170 205 20 15 12 1/2 2,90 SNL509 TSN 509AE ASNH509
36,513 SNL509SNL509SNL509
TSN 509CETSN 509SATSN 509NDA
ASNH509ASNH509ASNH509
95 70 128 70 28 210 255 24 18 16 5/8 4,40 SNL511-609SNL511-609SNL511-609SNL511-609
TSN 609AETSN 609CETSN 609SATSN 609NDA
ASNH511-609ASNH511-609ASNH511-609ASNH511-609
Labyrinth seals, SA/SE/SSdesign Taconite seals, NDA/NDE/NDSdesign
A3A2
SNL plummer block housings for bearings on an adaptersleeve, inch shafts
da1 3/16 – 1 7/16 in
Ca
H
H1
A1
A
V-ring seals, A/AEdesign1)
Da da
1) Dimension A remains the same also with L and C/CE sealdesigns
68
Shaft Bearing Width Appropriate bearings and associatedcomponentsseat across Self-aligning ballbearing Adapter Locatingrings Self-aligning ballbearing Adapter Locatingrings
seals Spherical rollerbearing sleeve 2 perhousing Spherical rollerbearing sleeve 2 perhousingda Ca Da A2 A3 Sealed spherical rollerbearing
CARB toroidal rollerbearing
in/mm mm mm –
13/16 34 72 94 145 1207EKTN9 HA207 FRB8.5/72 2207EKTN9 HA307 FRB5.5/7230,163 – – – 22207EK HA307 FRB5.5/72
– – –C 2207KTN9 HA 307E FRB5.5/72
39 80 97 145 1307EKTN9 HA307 FRB9/80 2307EKTN9 HA2307 FRB4/80
21307CCK HA307 FRB9/80 – – –– – –– – –
11/4 39 80 97 150 1208EKTN9 HE208 FRB10.5/80 2208EKTN9 HE308 FRB8/80
31,75 – – – 22208EK HE308 FRB8/80– – –C 2208KTN9 HE 308E FRB8/80
41 90 102 150 1308EKTN9 HE308 FRB9/90 2308EKTN9 HE2308 FRB4/90
21308EK HE308 FRB9/90 22308EK HE2308 FRB4/90– – –– – –
13/8 39 80 97 150 1208EKTN9 HS208 FRB10,5/80 2208EKTN9 HS308 FRB8/80
34,925 – – – 22208EK HS308 FRB8/80BS2-2208-2CSK/VT143 HS 2308E FRB5.5/80C 2208KTN9 HS 308E FRB8/80
41 90 102 150 1308EKTN9 HS308 FRB9/90 2308EKTN9 HS2308 FRB4/90
21308EK HS308 FRB9/90 22308EK HS2308 FRB4/90– – –– – –
17/16 30 85 97 150 1209EKTN9 HA209 FRB5.5/85 2209EKTN9 HA309 FRB3.5/85
36,513 – – – 22209EK HA309 FRB3.5/85BS2-2209-2CSK/VT143 HA 309E FRB1/85C 2209KTN9 HA 309E FRB3.5/85
44 100 107 155 1309EKTN9 HA309 FRB9.5/100 2309EKTN9 HA2309 FRB4/100
21309EK HA309 FRB9.5/100 22309EK HA2309 FRB4/100– – –
H2
G
J
L
N
N1A1
C
69
Shaft Housing Dimensions Mass Designations
da A A1 H H1 H2 J L N N1 G G Housing Seals Endcover
in/mm mm in kg –
11/2 85 60 109 60 25 170 205 20 15 12 1/2 2,90 SNL509 TSN 509AE ASNH50938,1 SNL509
SNL509SNL509
TSN 509CETSN 509SETSN 509NDE
ASNH509ASNH509ASNH509
95 70 128 70 28 210 255 24 18 16 5/8 4,40 SNL511-609SNL511-609SNL511-609SNL511-609
TSN 609AETSN 609CETSN 609SETSN 609NDE
ASNH511-609ASNH511-609ASNH511-609ASNH511-609
111/16 90 60 113 60 25 170 205 20 15 12 1/2 3,20 SNL510-608 TSN510A ASNH510-608
42,863 SNL510-608SNL510-608SNL510-608
TSN 510CTSN 510SATSN 510NDA
ASNH510-608ASNH510-608ASNH510-608
105 70 134 70 30 210 255 24 18 16 5/8 5,10 SNL512-610SNL512-610SNL512-610SNL512-610
TSN610ATSN 610CTSN 610SATSN 610NDA
ASNH512-610ASNH512-610ASNH512-610ASNH512-610
13/4 90 60 113 60 25 170 205 20 15 12 1/2 3,20 SNL510-608 TSN 510L ASNH510-608
44,45 SNL510-608SNL510-608SNL510-608SNL510-608
TSN510ATSN 510CTSN 510SETSN 510NDE
ASNH510-608ASNH510-608ASNH510-608ASNH510-608
105 70 134 70 30 210 255 24 18 16 5/8 5,10 SNL512-610SNL512-610SNL512-610SNL512-610SNL512-610
TSN 610LTSN610ATSN 610CTSN 610SETSN 610NDE
ASNH512-610ASNH512-610ASNH512-610ASNH512-610ASNH512-610
115/16 95 70 128 70 28 210 255 24 18 16 5/8 4,40 SNL511-609 TSN 511L ASNH511-609
49,213 SNL511-609SNL511-609SNL511-609SNL511-609
TSN511ATSN 511CTSN 511SATSN 511NDA
ASNH511-609ASNH511-609ASNH511-609ASNH511-609
110 80 150 80 30 230 275 24 18 16 5/8 6,50 SNL513-611SNL513-611SNL513-611SNL513-611SNL513-611
TSN 611LTSN611ATSN 611CTSN 611SATSN 611NDA
ASNH513-611ASNH513-611ASNH513-611ASNH513-611ASNH513-611
A3A2
SNL plummer block housings for bearings on an adaptersleeve, inch shafts
da 1 1/2 – 1 15/16 in
Ca
H
H1
Da da
A1
A
Four-lip seals, Ldesign1) Labyrinth seals, SA/SEdesign Taconite seals, NDA/NDEdesign
1) Dimension A remains the same also with A/AE and C/CE sealdesigns
70
Shaft Bearing Width Appropriate bearings and associatedcomponentsseat across Self-aligning ballbearing Adapter Locatingrings Self-aligning ballbearing Adapter Locatingrings
seals Spherical rollerbearing sleeve 2 perhousing Spherical rollerbearing sleeve 2 perhousingda Ca Da A2 A3 Sealed spherical rollerbearing
CARB toroidal rollerbearing
in/mm mm mm –
11/2 30 85 97 150 1209EKTN9 HE209 FRB5.5/85 2209EKTN9 HE309 FRB3.5/8538,1 – – – 22209EK HE309 FRB3.5/85
BS2-2209-2CSK/VT143 HE 309E FRB1/85C 2209KTN9 HE 309E FRB3.5/85
44 100 107 155 1309EKTN9 HE309 FRB9.5/100 2309EKTN9 HE2309 FRB4/100
21309EK HE309 FRB9.5/100 22309EK HE2309 FRB4/100– – –– – –
111/16 41 90 102 155 1210EKTN9 HA210 FRB10.5/90 2210EKTN9 HA310 FRB9/90
42,863 – – – 22210EK HA310 FRB9/90BS2-2210-2CSK/VT143 HA 310E FRB6.5/90C 2210KTN9 HA 310E FRB9/90
48 110 117 165 1310EKTN9 HA310 FRB10.5/110 2310K HA2310 FRB4/110
21310EK HA310 FRB10.5/110 22310EK HA2310 FRB4/110– – –– – –
13/4 41 90 102 155 1210EKTN9 HE210 FRB10.5/90 2210EKTN9 HE310 FRB9/90
44,45 – – – 22210EK HE310 FRB9/90BS2-2210-2CSK/VT143 HE 310E FRB6.5/90C 2210KTN9 HE 310E FRB9/90
48 110 117 165 1310EKTN9 HE310 FRB10.5/110 2310K HE2310 FRB4/110
21310EK HE310 FRB10.5/110 22310EK HE2310 FRB4/110– – –– – –
115/16 44 100 107 165 1211EKTN9 HA211 FRB11.5/100 2211EKTN9 HA311 FRB9.5/10049,213 – – – 22211EK HA311 FRB9.5/100
BS2-2211-2CSK/VT143 HA 311E FRB6.5/90C 2211KTN9 HA 311E FRB9.5/100
51 120 122 170 1311EKTN9 HA311 FRB11/120 2311K HA2311 FRB4/120
21311EK HA311 FRB11/120 22311EK HA2311 FRB4/120– – –– – –
H2
G
J
L
N
N1A1
C
71
Shaft Housing Dimensions Mass Designations
da A A1 H H1 H2 J L N N1 G G Housing Seals Endcover
in/mm mm in kg –
2 95 70 128 70 28 210 255 24 18 16 5/8 4,40 SNL511-609 TSN 511L ASNH511-60950,8 SNL511-609
SNL511-609SNL511-609SNL511-609
TSN511ATSN 511CTSN 511SETSN 511NDE
ASNH511-609ASNH511-609ASNH511-609ASNH511-609
110 80 150 80 30 230 275 24 18 16 5/8 6,50 SNL513-611SNL513-611SNL513-611SNL513-611SNL513-611
TSN 611LTSN611ATSN 611CTSN 611SETSN 611NDE
ASNH513-611ASNH513-611ASNH513-611ASNH513-611ASNH513-611
21/8 105 70 134 70 30 210 255 24 18 16 5/8 5,10 SNL512-610 TSN512A ASNH512-610
53,975 SNL512-610SNL512-610SNL512-610
TSN 512CTSN 512SSTSN 512NDS
ASNH512-610vASNH512-610ASNH512-610
115 80 156 80 30 230 280 24 18 16 5/8 7,00 SNL515-612SNL515-612SNL515-612SNL515-612
TSN612ATSN 612CTSN 612SSTSN 612NDS
ASNH515-612ASNH515-612ASNH515-612ASNH515-612
23/16 110 80 149 80 30 230 275 24 18 16 5/8 6,50 SNL513-611 TSN 513LA ASNH513-611
55,563 SNL513-611SNL513-611SNL513-611SNL513-611
TSN 513AETSN 513CETSN 513SATSN 513NDA
ASNH513-611ASNH513-611ASNH513-611ASNH513-611
120 90 177 95 32 260 315 28 22 20 3/4 9,50 SNL516-613SNL516-613SNL516-613SNL516-613
TSN 613AETSN 613CETSN 613SATSN 613NDA
ASNH516-613ASNH516-613ASNH516-613ASNH516-613
21/4 110 80 149 80 30 230 275 24 18 16 5/8 6,50 SNL513-611 TSN513A ASNH513-611
57,15 SNL513-611SNL513-611SNL513-611
TSN 513CETSN 513SETSN 513NDE
ASNH513-611ASNH513-611ASNH513-611
120 90 177 95 32 260 315 28 22 20 3/4 9,50 SNL516-613SNL516-613SNL516-613SNL516-613
TSN613ATSN 613CETSN 613SETSN 613NDE
ASNH516-613ASNH516-613ASNH516-613ASNH516-613
A3A2
SNL plummer block housings for bearings on an adaptersleeve, inch shafts
da 2 – 2 1/4 in
Ca
H
H1
Da da
A1
A
Four-lip seals, L/LAdesign1) Labyrinth seals, SA/SE/SSdesign Taconite seals, NDA/NDE/NDSdesign
1) Dimension A remains the same also with A/AE and C/CE sealdesigns
72
Shaft Bearing Width Appropriate bearings and associatedcomponentsseat across Self-aligning ballbearing Adapter Locatingrings Self-aligning ballbearing Adapter Locatingrings
seals Spherical rollerbearing sleeve 2 perhousing Spherical rollerbearing sleeve 2 perhousingda Ca Da A2 A3 Sealed spherical rollerbearing
CARB toroidal rollerbearing
in/mm mm mm –
2 44 100 107 165 1211EKTN9 HE 211B FRB11.5/100 2211EKTN9 HE 311B FRB9.5/10050,8 – – – 22211EK HE 311B FRB9.5/100
BS2-2211-2CSK/VT143 HE 311BE FRB6.5/100C 2211KTN9 HE 311BE FRB9.5/100
51 120 122 170 1311EKTN9 HE311 FRB11/120 2311K HE 2311B FRB4/120
21311EK HE311 FRB11/120 22311EK HE 2311B FRB4/120– – –– – –
21/8 48 110 117 175 1212EKTN9 HS212 FRB13/110 2212EKTN9 HS312 FRB10/11053,975 – – – 22212EK HS312 FRB10/110
BS2-2212-2CSK/VT143 HS 312E FRB7/110C 2212KTN9 HS 312E FRB10/110
56 130 127 175 1312EKTN9 HS312 FRB12.5/130 2312K HS2312 FRB5/130
21312EK HS312 FRB12.5/130 22312EK HS2312 FRB5/130– – –– – –
23/16 51 120 122 180 1213EKTN9 HA213 FRB14/120 2213EKTN9 HA313 FRB10/120
55,563 – – – 22213EK HA313 FRB10/120BS2-2213-2CSK/VT143 HA 2313E FRB6.5/120C 2213KTN9 HA 313E FRB10/120
58 140 138 180 1313EKTN9 HA313 FRB12.5/140 2313K HA2313 FRB5/140
21313EK HA313 FRB12.5/140 22313EK HA2313 FRB5/140– – –– – –
21/4 51 120 122 180 1213EKTN9 HE213 FRB14/120 2213EKTN9 HE313 FRB10/120
57,15 – – – 22213EK HE313 FRB10/120BS2-2213-2CSK/VT143 HE 2313E FRB6.5/120C 2213KTN9 HE 313E FRB10/120
58 140 138 180 1313EKTN9 HE313 FRB12.5/140 2313K HE2313 FRB5/140
21313EK HE313 FRB12.5/140 22313EK HE2313 FRB5/140– – –– – –
H2
G
J
L
N
N1A1
C
73
Shaft Housing Dimensions Mass Designations
da A A1 H H1 H2 J L N N1 G G Housing Seals Endcover
in/mm mm in kg –
27/16 115 80 155 80 30 230 280 24 18 16 5/8 7,00 SNL515-612 TSN 515LA ASNH515-61261,913 SNL515-612
SNL515-612SNL515-612SNL515-612
TSN 515AETSN 515CETSN 515SATSN 515NDA
ASNH515-612ASNH515-612ASNH515-612ASNH515-612
140 100 194 100 35 290 345 28 22 20 3/4 12,5 SNL518-615SNL518-615SNL518-615SNL518-615
TSN 615AETSN 615CETSN 615SATSN 615NDA
ASNH518-615ASNH518-615ASNH518-615ASNH518-615
21/2 115 80 155 80 30 230 280 24 18 16 5/8 7,00 SNL515-612 TSN515A ASNH515-612
63,5 SNL515-612SNL515-612SNL515-612
TSN 515CTSN 515SETSN 515NDE
ASNH515-612ASNH515-612ASNH515-612
140 100 194 100 35 290 345 28 22 20 3/4 12,5 SNL518-615SNL518-615SNL518-615SNL518-615
TSN615ATSN 615CTSN 615SETSN 615NDE
ASNH518-615ASNH518-615ASNH518-615ASNH518-615
211/16 120 90 177 95 32 260 315 28 22 20 3/4 9,50 SNL516-613 TSN516A ASNH516-613
68,263 SNL516-613SNL516-613SNL516-613
TSN 516CTSN 516SATSN 516NDA
ASNH516-613ASNH516-613ASNH516-613
145 100 212 112 35 290 345 28 22 20 3/4 13,7 SNL519-616SNL519-616SNL519-616SNL519-616
TSN616ATSN 616CTSN 616SATSN 616NDA
ASNH519-616ASNH519-616ASNH519-616ASNH519-616
23/4 120 90 177 95 32 260 315 28 22 20 3/4 9,50 SNL516-613 TSN 516L ASNH516-613
69,85 SNL516-613SNL516-613SNL516-613SNL516-613
TSN516ATSN 516CTSN 516SETSN 516NDE
ASNH516-613ASNH516-613ASNH516-613ASNH516-613
145 100 212 112 35 290 345 28 22 20 3/4 13,7 SNL519-616SNL519-616SNL519-616SNL519-616SNL519-616
TSN 616LTSN616ATSN 616CTSN 616SETSN 616NDE
ASNH519-616ASNH519-616ASNH519-616ASNH519-616ASNH519-616
A3A2
SNL plummer block housings for bearings on an adaptersleeve, inch shafts
da2 7/16 – 2 3/4 in
Ca
H
H1
Da da
A1
A
Four-lip seals, L/LAdesign1) Labyrinth seals, SA/SEdesign Taconite seals, NDA/NDEdesign
1) Dimension A remains the same also with A/AE and C/CE sealdesigns
74
Shaft Bearing Width Appropriate bearings and associatedcomponentsseat across Self-aligning ballbearing Adapter Locatingrings Self-aligning ballbearing Adapter Locatingrings
seals Spherical rollerbearing sleeve 2 perhousing Spherical rollerbearing sleeve 2 perhousingda Ca Da A2 A3 Sealed spherical rollerbearing
CARB toroidal rollerbearing
in/mm mm mm –
27/16 56 130 127 175 1215K HA215 FRB15.5/130 2215EKTN9 HA315 FRB12.5/13061,913 – – – 22215EK HA315 FRB12.5/130
BS2-2215-2CSK/VT143 HA 315E FRB9/130C 2215K HA 315E FRB12.5/130
65 160 158 200 1315KTN9 HA315 FRB14/160 2315K HA2315 FRB5/160
21315EK HA315 FRB14/160 22315EK HA2315 FRB5/160– – –C 2315K HA2315 FRB5/160
21/2 56 130 127 175 1215K HE215 FRB15.5/130 2215EKTN9 HE315 FRB12.5/130
63,5 – – – 22215EK HE315 FRB12.5/130BS2-2215-2CSK/VT143 HE 315E FRB9/130C 2215K HE 315E FRB12.5/130
65 160 158 200 1315K HE315 FRB14/160 2315K HE2315 FRB5/160
21315EK HE315 FRB14/160 22315EK HE2315 FRB5/160– – –C 2315K HE2315 FRB5/160
211/16 58 140 138 205 1216K HA216 FRB16/140 2216EKTN9 HA316 FRB12.5/140
68,263 – – – 22216EK HA316 FRB12.5/140BS2-2216-2CSK/VT143 HA 316E FRB9/140C 2216K HA 316E FRB12.5/140
68 170 163 205 1316K HA316 FRB14.5/170 2316K HA2316 FRB5/170
21316EK HA316 FRB14.5/170 22316EK HA2316 FRB5/170– – –C 2316K HA2316 FRB5/170
23/4 58 140 138 205 1216K HE216 FRB16/140 2216EKTN9 HE316 FRB12.5/140
69,85 – – – 22216EK HE316 FRB12.5/140BS2-2216-2CSK/VT143 HE 316E FRB9/140C 2216K HE 316E FRB12.5/140
68 170 163 205 1316K HE316 FRB14.5/170 2316K HE2316 FRB5/170
21316EK HE316 FRB14.5/170 22316EK HE2316 FRB5/170– – –C 2316K HE2316 FRB5/170
H2
G
J
L
N
N1A1
C
75
Shaft Housing Dimensions Mass Designations
da A A1 H H1 H2 J L N N1 G G Housing Seals Endcover
in/mm mm in kg –
215/16 125 90 183 95 32 260 320 28 22 20 3/4 10,0 SNL517 TSN 517L ASNH51774,613 SNL517
SNL517SNL517SNL517
TSN517ATSN 517CTSNA 517SATSN 517NDA
ASNH517ASNH517ASNH517ASNH517
160 110 218 112 40 320 380 32 26 24 7/8 17,6 SNL520-617SNL520-617SNL520-617SNL520-617SNL520-617
TSN 617LTSN617ATSN 617CTSN 617SATSN 617NDA
ASNH520-617ASNH520-617ASNH520-617ASNH520-617ASNH520-617
3 125 90 183 95 32 260 320 28 22 20 3/4 10,0 SNL517 TSN 517L ASNH517
76,2 SNL517SNL517SNL517SNL517
TSN517ATSN 517CTSN 517SETSN 517NDE
ASNH517ASNH517ASNH517ASNH517
160 110 218 112 40 320 380 32 26 24 7/8 17,6 SNL520-617SNL520-617SNL520-617SNL520-617SNL520-617
TSN 617LTSN617ATSN 617CTSN 617SETSN 617NDE
ASNH520-617ASNH520-617ASNH520-617ASNH520-617ASNH520-617
33/16 140 100 194 100 35 290 345 28 22 20 3/4 12,5 SNL518-615 TSN 518L ASNH518-615
80,963 SNL518-615SNL518-615SNL518-615SNL518-615
TSN518ATSN 518CETSN 518SATSN 518NDA
ASNH518-615ASNH518-615ASNH518-615ASNH518-615
31/4 140 100 194 100 35 290 345 28 22 20 3/4 12,5 SNL518-615 TSN518A ASNH518-615
82,55 SNL518-615SNL518-615SNL518-615
TSN 518CETSN 518SETSN 518NDE
ASNH518-615ASNH518-615ASNH518-615
175 120 242 125 45 350 410 32 26 24 7/8 22,0 SNL522-619SNL522-619SNL522-619SNL522-619
TSN619ATSN 619CTSN 619SETSN 619NDE
ASNH 522-619ASNH 522-619ASNH 522-619ASNH 522-619
A3A2
SNL plummer block housings for bearings on an adaptersleeve, inch shafts
da 2 15/16 – 3 1/4 in
Ca
H
H1
Da da
A1
A
Four-lip seals, Ldesign1) Labyrinth seals, SA/SEdesign Taconite seals, NDA/NDEdesign
1) Dimension A remains the same also with A and C/CE sealdesigns
76
Shaft Bearing Width Appropriate bearings and associatedcomponentsseat across Self-aligning ballbearing Adapter Locatingrings Self-aligning ballbearing Adapter Locatingrings
seals Spherical rollerbearing sleeve 2 perhousing Spherical rollerbearing sleeve 2 perhousingda Ca Da A2 A3 Sealed spherical rollerbearing
CARB toroidal rollerbearing
in/mm mm mm –
215/16 61 150 143 210 1217K HA217 FRB16.5/150 2217K HA317 FRB12.5/15074,613 – – – 22217EK HA317 FRB12.5/150
BS2-2217-2CSK/VT143 HA 317E FRB8.5/150C 2217K HA 317E FRB12.5/150
70 180 178 220 1317K HA317 FRB14.5/180 2317K HA2317 FRB5/180
21317EK HA317 FRB14.5/180 22317EK HA2317 FRB5/180– – –C 2317K HA2317 FRB5/180
3 61 150 143 210 1217K HE217 FRB16.5/150 2217K HE317 FRB12.5/150
76,2 – – – 22217EK HE317 FRB12.5/150BS2-2217-2CSK/VT143 HE 317E FRB8.5/150C 2217K HE 317E FRB12.5/150
70 180 178 220 1317K H317 FRB14.5/180 2317K HE2317 FRB5/180
21317EK H317 FRB14.5/180 22317EK HE2317 FRB5/180– – –C 2317K HE2317 FRB5/180
33/16 65 160 158 225 1218K HA218 FRB17.5/160 2218K HA318 FRB12.5/16080,963 23218 CCK/W33 HA2318 FRB6.25/160 22218EK HA318 FRB12.5/160
BS2-2218-2CSK/VT143 HA 2318E FRB8.5/160C 2218K HA 318E FRB12.5/160
31/4 65 160 158 225 1218K HE218 FRB17,5/160 2218K HE318 FRB12.5/16082,55 23218 CCK/W33 HE2318 FRB6.25/160 22218EK HE318 FRB12,5/160
BS2-2218-2CSK/VT143 HE 2318E FRB8.5/160C 2218K HE 318E FRB12.5/160
80 200 191 235 1319K HE319 FRB17.5/200 2319KM HE2319 FRB6.5/200
21319EK HE319 FRB17.5/200 22319EK HE2319 FRB6.5/200– – –C 2319K HE2319 FRB6.5/200
H2
G
J
L
N
N1A1
C
77
Shaft Housing Dimensions Mass Designations
da A A1 H H1 H2 J L N N1 G G Housing Seals Endcover
in/mm mm in kg –
37/16 160 110 218 112 40 320 380 32 26 24 7/8 17,6 SNL520-617 TSN520A ASNH520-61787,313 SNL520-617
SNL520-617SNL520-617
TSN 520CTSN 520SATSN 520NDA
ASNH520-617ASNH520-617ASNH520-617
185 120 271 140 45 350 410 32 26 24 7/8 26,2 SNL524-620SNL524-620SNL524-620SNL524-620
TSN620ATSN 620CTSN 620SATSN 620NDA
ASNH524-620ASNH524-620ASNH524-620ASNH524-620
31/2 160 110 218 112 40 320 380 32 26 24 7/8 17,6 SNL520-617 TSN520A ASNH520-617
88,9 SNL520-617SNL520-617SNL520-617
TSN 520CTSN 520SETSN 520NDE
ASNH520-617ASNH520-617ASNH520-617
185 120 271 140 45 350 410 32 26 24 7/8 26,2 SNL524-620SNL524-620SNL524-620SNL524-620
TSN620ATSN 620CTSN 620SETSN 620NDE
ASNH524-620ASNH524-620ASNH524-620ASNH524-620
315/16 175 120 242 125 45 350 410 32 26 24 7/8 22,0 SNL522-619 TSN 522L ASNH522-619
100,012 SNL522-619SNL522-619SNL522-619SNL522-619
TSN522ATSN 522CTSN 522SATSN 522NDA
ASNH522-619ASNH522-619ASNH522-619ASNH522-619
4 175 120 242 125 45 350 410 32 26 24 7/8 22,0 SNL522-619 TSN 522L ASNH522-619
101,6 SNL522-619SNL522-619SNL522-619SNL522-619
TSN522ATSN 522CTSN 522SETSN 522NDE
ASNH522-619ASNH522-619ASNH522-619ASNH522-619
43/16 185 120 271 140 45 350 410 32 26 24 7/8 26,2 SNL524-620 TSN524A ASNH524-620
106,363 SNL524-620SNL524-620SNL524-620
TSN 524CETSN 524SATSN 524NDA
ASNH524-620ASNH524-620ASNH524-620
41/4 185 120 271 140 45 350 410 32 26 24 7/8 26,2 SNL524-620 TSN524A ASNH524-620
107,95 SNL524-620SNL524-620SNL524-620
TSN 524CTSN 524SETSN 524NDE
ASNH524-620ASNH524-620ASNH524-620
A3A2
SNL plummer block housings for bearings on an adaptersleeve, inch shafts
da3 7/16 – 4 1/4 in
Ca
H
H1
Da da
A1
A
Four-lip seals, Ldesign1) Labyrinth seals, SA/SEdesign Taconite seals, NDA/NDEdesign
1) Dimension A remains the same also with A and C/CE sealdesigns
78
Shaft Bearing Width Appropriate bearings and associatedcomponentsseat across Self-aligning ball bearing Adapter Locatingrings Self-aligning ballbearing Adapter Locatingrings
seals Spherical rollerbearing sleeve 2 perhousing Spherical rollerbearing sleeve 2 perhousingda Ca Da A2 A3 CARB toroidal rollerbearing Sealed spherical rollerbearing
CARB toroidal rollerbearing
in/mm mm mm –
37/16 70 180 178 230 1220K HA220 FRB18/180 2220KM HA320 FRB12/18087,313 23220 CCK/W33 HA2320 FRB4.85/180 22220EK HA320 FRB12/180
– – – BS2-2220-2CS5K/VT143 HA 2320E FRB7.5/180C 2220K HA 320E FRB12/180
86 215 199 240 1320K HA320 FRB19.5/215 2320KM HA2320 FRB6.5/215
21320EK HA320 FRB19.5/215 22320EK HA2320 FRB6.5/215– – – – – –
C2320K HA2320 FRB6.5/215
31/2 70 180 178 230 1220K HE220 FRB18/180 2220KM HE320 FRB12/180
88,9 23220 CCK/W33 HE2320 FRB4.85/180 22220EK HE320 FRB12/180– – – BS2-2220-2CS5K/VT143 HE 2320E FRB7.5/180
C 2220K HE 320E FRB12/180
86 215 199 240 1320EK HE320 FRB19.5/215 2320KM HE2320 FRB6.5/215
21320EK HE320 FRB19.5/215 22320EK HE2320 FRB6.5/215– – – – – –
C 2320K HE2320 FRB6.5/215
315/16 80 200 191 250 1222K H222 FRB21/200 2222KM H322 FRB13.5/200
100,012 23222 CCK/W33 H2322 FRB5.1/200 22222EK H322 FRB13.5/200– – – BS2-2222-2CS5K/VT143 H 2322E FRB8.5/200
C 2222K H 322E FRB13.5/200
4 80 200 191 250 1222K HE222 FRB21/200 2222KM HE322 FRB13.5/200
101,6 23222 CCK/W33 HE2322 FRB5.1/200 22222EK HE322 FRB13.5/200– – – BS2-2222-2CS5K/VT143 HE 2322E FRB8.5/200
C 2222K HE 322E FRB13.5/200
43/16 86 215 199 260 1224K HA3024 FRB22/215 – – –106,363 23224 CCK/W33 HA2324 FRB5/215 22224EK HA3124 FRB14/215
C 3224K HA 2324L FRB5/215 BS2-2224-2CS5K/VT143 HA 2324E FRB8.5/215– – –
41/4 86 215 199 260 1224KM HE3024 FRB22/215 – – –
107,95 23224 CCK/W33 HE2324 FRB5/215 22224EK HE3124 FRB14/215C 3224K HE 2324L FRB5/215 BS2-2224-2CS5K/VT143 HE 2324E FRB8.5/215
C 2224K1) HE 3124L FRB14/215
H2
G
J
L
N
N1A1
C
1) Check with SKF foravailability
79
Shaft Housing Dimensions Mass Designations
da A A1 H H1 H2 J L N N1 G G Housing Seals Endcover
in/mm mm in kg –
47/16 190 130 290 150 50 380 445 35 28 24 1 33,0 SNL526 TSN526A ASNH526112,713 SNL526
SNL526SNL526
TSN 526CTSN 526SATSN 526NDA
ASNH526ASNH526ASNH526
41/2 190 130 290 150 50 380 445 35 28 24 1 33,0 SNL526 TSN 526L ASNH526
114,3 SNL526SNL526SNL526SNL526
TSN526ATSN 526CTSN 526SETSN 526NDE
ASNH526ASNH526ASNH526ASNH526
415/16 205 150 302 150 50 420 500 42 35 30 11/4 40,0 SNL528 TSN 528L ASNH528
125,413 SNL528SNL528SNL528SNL528
TSN528ATSN 528CTSN 528SATSN 528NDA
ASNH528ASNH528ASNH528ASNH528
5 205 150 302 150 50 420 500 42 35 30 11/4 40,0 SNL528 TSN528A ASNH528
127 SNL528SNL528SNL528
TSN 528CTSN 528SETSN 528NDE
ASNH528ASNH528ASNH528
53/16 220 160 323 160 60 450 530 42 35 30 11/4 49,0 SNL530 TSN530A ASNH530
131,763 SNL530SNL530SNL530
TSN 530CTSN 530SATSN 530NDA
ASNH530ASNH530ASNH530
51/4 220 160 323 160 60 450 530 42 35 30 11/4 49,0 SNL530 TSN530A ASNH530
133,35 SNL530SNL530SNL530
TSN 530CTSN 530SETSN 530NDE
ASNH530ASNH530ASNH530
57/16 235 160 344 170 60 470 550 42 35 30 11/4 55,0 SNL532 TSN532A ASNH532
138,113 SNL532SNL532SNL532
TSN 532CTSN 532SATSN 532NDA
ASNH532ASNH532ASNH532
51/2 235 160 344 170 60 470 550 42 35 30 11/4 55,0 SNL532 TSN 532L ASNH532
139,7 SNL532SNL532SNL532SNL532
TSN532ATSN 532CTSN 532SETSN 532NDE
ASNH532ASNH532ASNH532ASNH532
A3A2
SNL plummer block housings for bearings on an adaptersleeve, inch shafts
da4 7/16 – 5 1/2 in
Ca
H
H1
Da da
A1
A
Four-lip seals, Ldesign1) Labyrinth seals, SA/SEdesign Taconite seals, NDA/NDEdesign
1) Dimension A remains the same also with A and C/CE sealdesigns
80
415/16 98 250 223 285 23228 CCK/W33 HA2328 FRB5/250 22228 CCK/W33 HA3128 FRB15/250
125,413 23228-2CS5K/VT143 HA2328 FRB5/250 22228-2CS5K/VT143 HA 3128L FRB15/250– – – C 2228K HA 3128L FRB15/250
5 98 250 223 285 23228 CCK/W33 HE2328 FRB5/250 22228 CCK/W33 HE3128 FRB15/250127 23228-2CS5K/VT143 HE2328 FRB5/250 22228-2CS5K/VT143 HE 3128L FRB15/250
– – – C 2228K HE 3128L FRB15/250
53/16 106 270 241 295 23230 CCK/W33 HA2330 FRB5/270 22230 CCK/W33 HA3130 FRB16.5/270131,763 23230-2CS5K/VT143 HA2330 FRB5/270 22230-2CS5K/VT143 HA3130 FRB16.5/270
– – – C 2230K HA 3130L FRB16.5/270
51/4 106 270 241 295 23230 CCK/W33 HE2330 FRB5/270 22230 CCK/W33 HE3130 FRB16.5/270133,35 23230-2CS5K/VT143 HE2330 FRB5/270 22230-2CS5K/VT143 HE3130 FRB16.5/270
– – – C 2230K HE 3130L FRB16.5/270
57/16 114 290 254 315 23232 CCK/W33 HA2332 FRB5/290 22232 CCK/W33 HA3132 FRB17/290138,113 – – – 22232-2CS5K/VT143 HA3132 FRB17/290
C 3232K HA 2332L FRB5/290 – – –
51/2 114 290 254 315 23232 CCK/W33 HE2332 FRB5/290 22232 CCK/W33 HE3132 FRB17/290139,7 – – – 22232-2CS5K/VT143 HE3132 FRB17/290
C 3232K HE 2332L FRB5/290 – – –
Shaft
da
Bearing seat
Ca Da
Width across seals A2 A3
Appropriate bearings and associated components Spherical rollerbearing Adapter Locatingrings Sealed spherical rollerbearing sleeve 2perhousing CARB toroidal rollerbearing
Spherical roller bearing Sealed spherical rollerbearing CARB toroidal rollerbearing
Adapter sleeve
Locatingrings 2 perhousing
in/mm mm mm –
47/16 90 230 208 265 23226 CCK/W33 HA2326 FRB5/230 22226EK HA3126 FRB13/230112,713 23226-2CS5K/VT143 HA2326 FRB5/230
– – –BS2-2226-2CS5K/VT143C 2226K
HA 2326EHA 3126L
FRB7.5/230FRB13/230
41/2 90 230 208 265 23226 CCK/W33 HE2326 FRB5/230 22226EK HE3126 FRB13/230114,3 23226-2CS5K/VT143 HE2326 FRB5/230
– – –BS2-2226-2CS5K/VT143C 2226K
HE 2326EHE 3126L
FRB7.5/230FRB13/230
H2
G
J
L
N
N1A1
C
81
Shaft Housing Dimensions Mass Designations
da A A1 H H1 H2 J L N N1 G Housing Seals Endcover
mm mm kg –
25 67 46 74 40 19 130 165 20 15 12 1,40 SNL505SNL205SNL205
2 FS170TSN 205STSN 205ND
ASNH505ASNH506-605ASNH506-605
77 52 89 50 22 150 185 20 15 12 1,90 SNL206-305SNL206-305SNL206-305
TSN305ATSN 305STSN 305ND
ASNH507-606ASNH507-606ASNH507-606
30 77 52 89 50 22 150 185 20 15 12 1,90 SNL206-305SNL506-605SNL206-305SNL206-305
TSN206A2 FS170TSN 206STSN 206ND
ASNH507-606ASNH506-605ASNH507-606ASNH507-606
82 52 93 50 22 150 185 20 15 12 2,20 SNL507-606SNL507-606SNL507-606
TSN306ATSN 306STSN 306ND
ASNH507-606ASNH507-606ASNH507-606
35 82 52 93 50 22 150 185 20 15 12 2,10 SNL207SNL507-606SNL207SNL207
TSN207A4 FS170TSN 207STSN 207ND
ASNH509ASNH507-606ASNH509ASNH509
85 60 108 60 25 170 205 20 15 12 2,75 SNL208-307SNL208-307SNL208-307
TSN307ATSN 307STSN 307ND
ASNH510-608ASNH510-608ASNH510-608
40 85 60 108 60 25 170 205 20 15 12 2,75 SNL208-307SNL508-607SNL208-307SNL208-307
TSN208A4 FS170TSN 208STSN 208ND
ASNH510-608ASNH508-607ASNH510-608ASNH510-608
90 60 113 60 25 170 205 20 15 12 3,20 SNL510-608SNL510-608SNL510-608
TSN308ATSN 308STSN 308ND
ASNH510-608ASNH510-608ASNH510-608
V-ring seals,A design Labyrinth seals, Sdesign Taconite seals, NDdesign
A3A2
SNL plummer block housings for bearings with a cylindrical bore
da 25 – 40 mm
Ca
daDa db H
H1
A1
A
dc
4
Housing with sealedspherical rollerbearing
82
Shaft Bearing Width Appropriate bearings and associatedcomponents
1) 1)
seat across Self-aligning ballbearingseals Sphericalrollerbearing
da db dc dc Ca Da A2 A3
Locatingrings2 perhousing
Self-aligning ballbearingSpherical roller bearing Sealed spherical rollerbearing
Locatingrings2 perhousing
min max CARB toroidal rollerbearing
mm mm mm –
25 30 – – 25 52 90 140 1205ETN9 FRB5/52 2205ETN9 FRB3.5/52– 22205E FRB3.5/52
BS2-2205-2CS/VT143 FRB1/52
C 2205TN93) FRB3.5/52
30 – – 32 62 89 140 1305ETN9 FRB7.5/62 2305ETN9 FRB4/62
21305CC FRB7.5/62 – –– –– –
30 35 – – 32 62 89 150 1206ETN9 FRB8/62 2206ETN9 FRB6/62
– – 22206E FRB6/62BS2-2206-2CS/VT143 FRB3.5/62C 2206TN9 FRB6/62
35 – – 34 72 94 155 1306ETN9 FRB7.5/72 2306 FRB3.5/72
21306CC FRB7.5/72 – –– –– –
35 45 42 43 34 72 96 160 1207E FRB8.5/72 2207ETN9 FRB5.5/72
– – 22207E FRB5.5/72
BS2-2207-2CS/VT1432) FRB3/72C 2207TN9 FRB5.5/72
45 – – 39 80 99 145 1307ETN9 FRB9/80 2307ETN9 FRB4/80
21307CC FRB9/80 – –– –– –
40 50 47 47 39 80 99 160 1208ETN9 FRB10.5/80 2208ETN9 FRB8/80
– – 22208E FRB8/80
BS2-2208-2CS/VT1432) FRB5.5/80C 2208TN9 FRB8/80
50 – – 41 90 102 167 1308ETN9 FRB9/90 2308ETN9 FRB4/90
21308E FRB9/90 22308E FRB4/90BS2-2308-2CS/VT143 FRB1.5/90– –
H2
G
J
L
N
N1A1
C
1) Valid for some sealed spherical roller bearingsonly2) The shaft must be modified according to dc values forthe bearing3) Check with SKF foravailability
83
Shaft Housing Dimensions Mass Designations
da A A1 H H1 H2 J L N N1 G Housing Seals Endcover
mm mm kg –
45 85 60 109 60 25 170 205 20 15 12 2,75 SNL209SNL509SNL209SNL209
TSN209A4 FS170TSN 209STSN 209ND
ASNH511-609ASNH509ASNH511-609ASNH511-609
95 70 128 70 28 210 255 24 18 16 4,40 SNL511-609SNL511-609SNL511-609
TSN309ATSN 309STSN 309ND
ASNH511-609ASNH511-609ASNH511-609
50 90 60 113 60 25 170 205 20 15 12 3,00 SNL210SNL510-608SNL210SNL210
TSN210A4 FS170TSN 210STSN 210ND
ASNH512-610ASNH510-608ASNH512-610ASNH512-610
105 70 134 70 30 210 255 24 18 16 5,10 SNL512-610SNL512-610SNL512-610
TSN310ATSN 310STSN 310ND
ASNH512-610ASNH512-610ASNH512-610
55 95 70 128 70 28 210 255 24 18 16 4,20 SNL211SNL511-609SNL211SNL211
TSN211A4 FS170TSN 211STSN 211ND
ASNH513-611ASNH511-609ASNH513-611ASNH513-611
110 80 150 80 30 230 275 24 18 16 6,50 SNL513-611SNL513-611SNL513-611
TSN311ATSN 311STSN 311ND
ASNH513-611ASNH513-611ASNH513-611
60 105 70 134 70 30 210 255 24 18 16 4,75 SNL212SNL512-610SNL212SNL212
TSN212A4 FS170TSN 212STSN 212ND
ASNH515-612ASNH512-610ASNH515-612ASNH515-612
115 80 156 80 30 230 280 24 18 16 7,00 SNL515-612SNL515-612SNL515-612SNL312 TURU
TSN312ATSN 312STSN 312NDincluded
ASNH515-612ASNH515-612ASNH515-612ASNH 518-615R
V-ring seals,A design Labyrinth seals, Sdesign Taconite seals, NDdesign
A3A2
SNL plummer block housings for bearings with a cylindrical bore
da 45 – 60 mm
Ca
daDa db H
H1
A1
A
Oilseals,TURUdesign
A4
84
Appropriate bearings and associatedcomponentsSelf-aligning ballbearing Spherical rollerbearing
Locatingrings 2 perhousing
Locatingrings 2 perhousing
Shaft
da db dc dc1) 1)
Bearing seat
Ca Da
Widthacross seals
A2 A3 A4
min max
Self-aligning ball bearing Spherical roller bearing Sealed spherical rollerbearing CARB toroidal rollerbearing
mm mm mm –
45 55 52 53 30 85 97 160 – 1209ETN9 FRB5.5/85 2209ETN9 FRB3.5/85– – 22209E FRB3.5/85
BS2-2209-2CS/VT1432) FRB1/85C 2209TN9 FRB3.5/85
55 – – 44 100 107 172 – 1309ETN9 FRB9.5/100 2309ETN9 FRB4/100
21309E FRB9.5/100 22309E FRB4/100– –– –
50 60 57 58 41 90 102 165 – 1210ETN9 FRB10.5/90 2210ETN9 FRB9/90
– – 22210E FRB9/90
BS2-2210-2CS/VT1432) FRB6.5/90C 2210TN9 FRB9/90
60 – – 48 110 117 180 – 1310ETN9 FRB10.5/110 2310 FRB4/110
21310E FRB10.5/110 22310E FRB4/110– –– –
55 65 64 64 44 100 107 170 – 1211ETN9 FRB11.5/100 2211ETN9 FRB9.5/100
– – 22211E FRB9.5/100
BS2-2211-2CS/VT1432) FRB6.5/100C 2211TN9 FRB9.5/100
65 – – 51 120 122 185 – 1311ETN9 FRB11/120 2311 FRB4/120
21311E FRB11/120 22311E FRB4/120BS2-2311-2CS/VT143 FRB1/120– –
60 70 69 69 48 110 117 185 – 1212ETN9 FRB13/110 2212ETN9 FRB10/110
– – 22212E FRB10/110
BS2-2212-2CS/VT1432) FRB7/110C 2212TN9 FRB10/110
70 – – 56 130 127 197 134 1312ETN9 FRB12.5/130 2312 FRB5/130
21312E FRB12.5/130 22312E FRB5/130– –– –
H2
G
J
L
N1A1dc
N
4
Housing with a sealed spherical rollerbearing
C
1) Valid for some sealed spherical roller bearingsonly2) The shaft must be modified according to dc values forthe bearing
85
Shaft Housing Dimensions Mass Designations
Housing Seals Endcoverda A A1 H H1 H2 J L N N1 G
mm mm kg –
65 110 80 149 80 30 230 275 24 18 16 6,10 SNL213SNL513-611SNL213SNL213
TSN213A4 FS170TSN 213STSN 213ND
ASNH516-613ASNH513-611ASNH516-613ASNH516-613
120 90 177 95 32 260 315 28 22 20 9,50 SNL516-613SNL516-613SNL516-613SNL313 TURU
TSN313ATSN 313STSN 313NDincluded
ASNH516-613ASNH516-613ASNH516-613ASNH 216R
70 125 90 183 95 32 260 320 28 22 20 10,0 SNL517SNL517SNL517SNL314 TURU
TSN314ATSN 314STSN 314NDincluded
ASNH517ASNH517ASNH517ASNH 217R
75 115 80 155 80 30 230 280 24 18 16 6,60 SNL215SNL515-612SNL215SNL215
TSN215A4 FS170TSN 215STSN 215ND
ASNH518-615ASNH515-612ASNH518-615ASNH518-615
140 100 194 100 35 290 345 28 22 20 12,5 SNL518-615SNL518-615SNL518-615SNL315 TURU
TSN315ATSN 315STSN 315NDincluded
ASNH518-615ASNH518-615ASNH518-615ASNH 218R
80 120 90 177 95 32 260 315 28 22 20 9,00 SNL216SNL516-613SNL216SNL216
TSN216A4 FS170TSN 216STSN 216ND
ASNH216ASNH516-613ASNH216ASNH216
145 100 212 112 35 290 345 28 22 20 13,7 SNL519-616SNL519-616SNL519-616SNL316 TURU
TSN316ATSN 316STSN 316NDincluded
ASNH519-616ASNH519-616ASNH519-616ASNH 519-616R
V-ring seals,A design Labyrinth seals, Sdesign Taconite seals, NDdesign
A3A2
SNL plummer block housings for bearings with a cylindrical bore
da 65 – 80 mm
Ca
daDa db H
H1
A1
A
Oilseals,TURUdesign
A4
86
Appropriate bearings and associatedcomponentsSelf-aligning ballbearing Spherical rollerbearing
Locatingrings 2 perhousing
Locatingrings 2 perhousing
Shaft
da db dc dc1) 1)
Bearing seat
Ca Da
Widthacross seals
A2 A3 A4
min max
Self-aligning ball bearing Spherical roller bearing Sealed spherical rollerbearing CARB toroidal rollerbearing
mm mm mm –
65 75 – – 51 120 128 190 – 1213ETN9 FRB14/120 2213ETN9 FRB10/120– – 22213E FRB10/120
BS2-2213-2CS/VT143 FRB6.5/120C 2213TN9 FRB10/120
75 – – 58 140 138 200 141 1313ETN9 FRB12.5/140 2313 FRB5/140
21313E FRB12.5/140 22313E FRB5/140– –– –
70 80 – – 61 150 143 205 143 1314 FRB13/150 2314 FRB5/150
21314E FRB13/150 22314E FRB5/150– –C2314 FRB5/150
75 85 84 84 56 130 133 195 – 1215 FRB15.5/130 2215ETN9 FRB12.5/130
– – 22215E FRB12.5/130
BS2-2215-2CS/VT1432) FRB9/130C2215 FRB12.5/130
85 – – 65 160 158 220 159 1315 FRB14/160 2315 FRB5/160
21315E FRB14/160 22315E FRB5/160– –C2315 FRB5/160
80 90 – – 58 140 138 200 – 1216 FRB16/140 2216ETN9 FRB12.5/140
– 22216E FRB12.5/140BS2-2216-2CS/VT143 FRB9/140C2216 FRB12.5/140
90 – – 68 170 163 218 166 1316 FRB14.5/170 2316 FRB5/170
21316E FRB14.5/170 22316E FRB5/170– –C2316 FRB5/170
H2
G
J
L
N1A1dc
N
4
Housing with a sealed spherical rollerbearing
C
1) Valid for some sealed spherical roller bearingsonly2) The shaft must be modified according to dc values forthe bearing
87
Shaft Housing Dimensions Mass Designations
Housing Seals Endcoverda A A1 H H1 H2 J L N N1 G
mm mm kg –
85 125 90 183 95 32 260 320 28 22 20 9,50 SNL217SNL517SNL217SNL217
TSN217A4 FS170TSN 217STSN 217ND
ASNH217ASNH517ASNH217ASNH217
160 110 218 112 40 320 380 32 26 24 17,6 SNL520-617SNL520-617SNL520-617SNL317 TURU
TSN317ATSN 317STSN 317NDincluded
ASNH520-617ASNH520-617ASNH520-617ASNH 520-617R
90 140 100 194 100 35 290 345 28 22 20 11,8 SNL218SNL218SNL518-615SNL218SNL218
TSN 218LTSN218A4 FS170TSN 218STSN 218ND
ASNH218ASNH218ASNH518-615ASNH218ASNH218
95 175 120 242 125 45 350 410 32 26 24 22,0 SNL522-619SNL522-619SNL522-619SNL319 TURU
TSN319ATSN 319STSN 319NDincluded
ASNH522-619ASNH522-619ASNH522-619ASNH 522-619R
100 160 110 218 112 40 320 380 32 26 24 17,6 SNL520-617SNL520-617SNL520-617SNL520-617
TSN 220LTSN220ATSN 220STSN 220ND
ASNH520-617ASNH520-617ASNH520-617ASNH520-617
185 120 271 140 45 350 410 32 26 24 26,2 SNL524-620SNL524-620SNL524-620SNL320 TURU
TSN320ATSN 320STSN 320NDincluded
ASNH524-620ASNH524-620ASNH524-620ASNH 524-620R
110 175 120 242 125 45 350 410 32 26 24 22,0 SNL522-619SNL522-619SNL522-619SNL522-619
TSN 222LTSN222ATSN 222STSN 222ND
ASNH522-619ASNH522-619ASNH522-619ASNH522-619
120 185 120 271 140 45 350 410 32 26 24 26,2 SNL524-620SNL524-620SNL524-620SNL524-620
TSN 224LTSN224ATSN 224STSN 224ND
ASNH524-620ASNH524-620ASNH524-620ASNH524-620
130 190 130 290 150 50 380 445 35 28 24 33,0 SNL526SNL526SNL526SNL526
TSN 226LTSN226ATSN 226STSN 226ND
ASNH526ASNH526ASNH526ASNH526
Four-lip seals, Ldesign1) Labyrinth seals, Sdesign Taconite seals, NDdesign
A3A2
SNL plummer block housings for bearings with a cylindrical bore
da 85 – 130 mm
Ca
daDa db H
H1
A1
A
Oilseals,TURUdesign
A4
1) Dimension A remains the same also with A sealdesign
88
da db dc dc Ca Da A2 A3 A4 Sealed spherical rollerbearing Sealed spherical rollerbearing
Shaft Bearing Width across Appropriate bearings and associatedcomponents
seat seals Self-aligning ballbearing Locatingrings Self-aligning ballbearing LocatingringsSpherical rollerbearing 2 perhousing Spherical rollerbearing 2 perhousing
1) 1)
min max CARB toroidal rollerbearing CARB toroidal rollerbearing
mm mm mm –
85 95 – – 61 150 143 205 – 1217 FRB16.5/150 2217 FRB12.5/150– – 22217E FRB12.5/150– – BS2-2217-2CS/VT143 FRB8.5/150– – C2217 FRB12.5/150
95 – – 70 180 178 238 181 1317 FRB14.5/180 2317 FRB5/180
21317E FRB14.5/180 22317E FRB5/180– – – –– – C2317 FRB5/180
90 100 – – 65 160 158 220 – 1218 FRB17.5/160 2218 FRB12.5/160
23218CC/W33 FRB6.25/160 22218E FRB12.5/160– – BS2-2218-2CS/VT143 FRB8.5/160– – C2218 FRB12.5/160
95 110 – – 80 200 191 253 195 1319 FRB17.5/200 2319M FRB6.5/200
21319E FRB17.5/200 22319E FRB6.5/200– – C2319 FRB6.5/200– – – –
100 115 112 114 70 180 178 245 – 1220 FRB18/180 2220M FRB12/180
23220CC/W33 FRB4.85/180 22220E FRB12/180
23220-2CS/VT143 FRB4.85/180 BS2-2220-2CS5/VT1432) FRB7.5/180– – C2220 FRB12/180
115 – – 86 215 199 260 203 1320 FRB19.5/215 2320M FRB6.5/215
21320E FRB19.5/215 22320E FRB6.5/215– – – –– – C2320 FRB6.5/215
110 125 – – 80 200 191 255 – 1222 FRB21/200 2222M FRB13.5/200
23222CC/W33 FRB5.1/200 22222E FRB13.5/200– – BS2-2222-2CS5/VT143 FRB8.5/200– – C2222 FRB13.5/200
120 135 – – 86 215 199 270 – 1224M FRB22/215 – –
23224CC/W33 FRB5/215 22224E FRB14/215– – BS2-2224-2CS5/VT143 FRB8.5/215C3224 FRB5/215 – –
130 145 – – 90 230 208 275 – 1226M FRB22/230 – –
23226CC/W33 FRB5/230 22226E FRB13/23023226-2CS5/VT143 FRB5/230 BS2-2226-2CS5/VT143 FRB7.5/230– – C2226 FRB13/230
H2
G
J
L
N1A1dc
N
4
Housing with a sealed spherical rollerbearing
C
1) Valid for some sealed spherical roller bearingsonly2) The shaft must be modified according to dc values forthe bearing
89
Shaft Housing Dimensions Mass Designations
Housing Seals Endcoverda A A1 H H1 H2 J L N N1 G
mm mm kg –
140 205 150 302 150 50 420 500 42 35 30 40,0 SNL528SNL528SNL528
TSN228ATSN 228STSN 228ND
ASNH528ASNH528ASNH528
150 220 160 323 160 60 450 530 42 35 30 49,0 SNL530SNL530SNL530
TSN230ATSN 230STSN 230ND
ASNH530ASNH530ASNH530
160 235 160 344 170 60 470 550 42 35 30 55,0 SNL532SNL532SNL532
TSN232ATSN 232STSN 232ND
ASNH532ASNH532ASNH532
V-ring seals,A design Labyrinth seals, Sdesign Taconite seals, NDdesign
A3A2
SNL plummer block housings for bearings with a cylindrical bore
da 140 – 160 mm
Ca
daDa db H
H1
A1
A
90
H2
G
J
L
N
N1A1
Shaft
da db
Bearing seat
Ca Da
WidthacrosssealsA2 A3
Appropriate bearings and associatedcomponentsSpherical rollerbearing Locating rings Sphericalrollerbearing Sealed spherical roller bearing 2perhousing Sealed spherical rollerbearing CARB toroidal rollerbearing CARB toroidal rollerbearing
Locatingrings 2 perhousing
mm mm mm –
140 155 98 250 223 290 23228 CC/W33 FRB5/25023228-2CS5/VT143 FRB5/250– –
22228CC/W3322228-2CS5/VT143 C2228
FRB 15/250FRB 15/250FRB15/250
150 165 106 270 241 310 23230 CC/W33 FRB5/27023230-2CS5/VT143 FRB5/270– –
22230CC/W3322230-2CS5/VT143 C2230
FRB 16.5/270FRB 16.5/270FRB16.5/270
160 175 114 290 254 325 23232 CC/W33 FRB5/290– –C3232 FRB5/290
22232CC/W3322232-2CS5/VT143–
FRB17/290 FRB17/290–
C
91
Housing Shaft Sealsets Endcover
Size diam- Ldesign Adesign Cdesign Sdesign NDdesigneter 2four-lip 2V-ring Loose 2 feltseals 1labyrinth 1Taconiteda,db seals seals V-ring or loosefelt seal seal
strips
– mm – –
505 20 – TSN505A CR400200 TSN 505C 2¥TSN505S 2¥TSN505ND ASNH50530 – – – 2 ¥ FS1701) –
205 20 – TSN605A CR400200 TSN 605C 2¥TSN605S 2¥TSN605ND ASNH506-605
25 – TSN506A CR400250 TSN 506C 2¥TSN506S 2¥TSN506ND30 – – – – 2¥TSN205S 2¥TSN205ND
35 – – – 2 ¥ FS1701) – –
506-605 20 – TSN605A CR400200 TSN 605C 2¥TSN605S 2¥TSN605ND ASNH506-605
25 – TSN506A CR400250 TSN 506C 2¥TSN506S 2¥TSN506ND30 – TSN205A CR400300 – 2¥TSN205S 2¥TSN205ND
35 – – – 2 ¥ FS1701) – –
206-305 25 – TSN606A CR400250 TSN 606C 2¥TSN606S 2¥TSN606ND ASNH507-606
30 TSN 507L TSN305A CR400300 TSN 305C 2¥TSN305S 2¥TSN305ND35 – TSN206A CR400350 – 2¥TSN206S 2¥TSN206ND
45 – – – 2 ¥ FS1701) – –
507-606 25 TSN606A CR400250 TSN 606C 2¥TSN606S 2¥TSN606ND ASNH507-606
30 TSN 507L TSN507A CR400300 TSN 507C 2¥TSN507S 2¥TSN507ND35 – TSN306A CR400350 – 2¥TSN306S 2¥TSN306ND
45 – – – 2 ¥ FS1701) – –
207 40 TSN 509L TSN509A CR400400 TSN 509C 2¥TSN509S 2¥TSN509ND ASNH509
45 – TSN207A CR400450 – 2¥TSN207S 2¥TSN207ND
55 – – – 4 ¥ FS1701) – –
508-607 30 – TSN607A CR400300 TSN 607C 2¥TSN607S 2¥TSN607ND ASNH508-607
35 TSN 508L TSN508A CR400350 TSN 508C 2¥TSN508S 2¥TSN508ND
50 – – – 4 ¥ FS1701) – –
208-307 35 – TSN608A CR400350 TSN 608C 2¥TSN608S 2¥TSN608ND ASNH510-608
45 TSN 510L TSN307A CR400450 – 2¥TSN307S 2¥TSN307ND50 – TSN208A CR400500 – 2¥TSN208S 2¥TSN208ND
60 – – – 4 ¥ FS1701) – –
509 40 TSN 509L TSN509A CR400400 TSN 509C 2¥TSN509S 2¥TSN509ND ASNH509
45 – TSN307A CR400450 – 2¥TSN307S 2¥TSN307ND
55 – – – 4 ¥ FS1701) – –
209 40 TSN 609L TSN609A CR400400 TSN 609C 2¥TSN609S 2¥TSN609ND ASNH511-609
50 TSN 511L TSN511A CR400500 TSN 511C 2¥TSN511S 2¥TSN511ND55 – TSN209A CR400550 – 2¥TSN209S 2¥TSN209ND
65 – – – 4 ¥ FS1701) – –
510-608 35 – TSN608A CR400350 TSN 608C 2¥TSN608S 2¥TSN608ND ASNH510-608
45 TSN 510L TSN510A CR400450 TSN 510C 2¥TSN510S 2¥TSN510ND50 – TSN308A CR400500 – 2¥TSN308S 2¥TSN308ND
60 – – – 4 ¥ FS1701) – –
Sealing arrangements for SNL plummer block housings, metric shafts
da
Housing series5
db
Housing series2 Ldesign Adesign Cdesign Cdesign Sdesign NDdesign Endcover
Split Unsplit Split Felt stripscut Unsplittolength
1) Loose feltstrips
92
Housing Shaft Sealsets Endcover
Size diam- Ldesign Adesign Cdesign Sdesign NDdesigneter 2four-lip 2V-ring Loose 2 feltseals 1labyrinth 1Taconiteda,db seals seals V-ring or loosefelt seal seal
strips
– mm – –
210 45 TSN 610L TSN610A CR400450 TSN 610C 2¥TSN610S 2¥TSN610ND ASNH512-61055 TSN 512L TSN512A CR400550 TSN 512C 2¥TSN512S 2¥TSN512ND60 – TSN210A CR400600 – 2¥TSN210S 2¥TSN210ND
70 – – – 4 ¥ FS1701) – –
511-609 40 TSN 609L TSN609A CR400400 TSN 609C 2¥TSN609S 2¥TSN609ND ASNH511-609
50 TSN 511L TSN511A CR400500 TSN 511C 2¥TSN511S 2¥TSN511ND55 – TSN309A CR400550 – 2¥TSN309S 2¥TSN309ND
65 – – – 4 ¥ FS1701) – –
211 50 TSN 611L TSN611A CR400500 TSN 611C 2¥TSN611S 2¥TSN611ND ASNH513-611
60 TSN 513L TSN513A CR400600 TSN 513C 2¥TSN513S 2¥TSN513ND65 – TSN211A CR400650 – 2¥TSN211S 2¥TSN211ND
75 – – – 4 ¥ FS1701) – –
512-610 45 TSN 610L TSN610A CR400450 TSN 610C 2¥TSN610S 2¥TSN610ND ASNH512-610
55 TSN 512L TSN512A CR400550 TSN 512C 2¥TSN512S 2¥TSN512ND60 – TSN310A CR400600 – 2¥TSN310S 2¥TSN310ND
70 – – – 4 ¥ FS1701) – –
212 55 TSN 612L TSN612A CR400550 TSN 612C 2¥TSN612S 2¥TSN612ND ASNH515-612
65 TSN 515L TSN515A CR400650 TSN 515C 2¥TSN515S 2¥TSN515ND70 – TSN212A CR400700 – 2¥TSN212S 2¥TSN212ND
85 – – – 4 ¥ FS1701) – –
513-611 50 TSN 611L TSN611A CR400500 TSN 611C 2¥TSN611S 2¥TSN611ND ASNH513-611
60 TSN 513L TSN513A CR400600 TSN 513C 2¥TSN513S 2¥TSN513ND65 – TSN311A CR400650 – 2¥TSN311S 2¥TSN311ND
75 – – – 4 ¥ FS1701) – –
213 60 TSN 613L TSN613A CR400600 TSN 613C 2¥TSN613S 2¥TSN613ND ASNH516-613
70 TSN 516L TSN516A CR400700 TSN 516C 2¥TSN516S 2¥TSN516ND75 – TSN213A CR400750 – 2¥TSN213S 2¥TSN213ND
90 – – – 4 ¥ FS1701) – –
515-612 55 TSN 612L TSN612A CR400550 TSN 612C 2¥TSN612S 2¥TSN612ND ASNH515-612
65 TSN 515L TSN515A CR400650 TSN 515C 2¥TSN515S 2¥TSN515ND70 – TSN312A CR400700 – 2¥TSN312S 2¥TSN312ND
85 – – – 4 ¥ FS1701) – –
215 65 TSN 615L TSN615A CR400650 TSN 615C 2¥TSN615S 2¥TSN615ND ASNH518-615
80 TSN 518L TSN518A CR400800 TSN 518C 2¥TSN518S 2¥TSN518ND85 – TSN215A CR400850 – 2¥TSN215S 2¥TSN215ND
100 – – – 4 ¥ FS1701) – –
516-613 60 TSN 613L TSN613A CR400600 TSN 613C 2¥TSN613S 2¥TSN613ND ASNH516-613
70 TSN 516L TSN516A CR400700 TSN 516C 2¥TSN516S 2¥TSN516ND75 – TSN313A CR400750 – 2¥TSN313S 2¥TSN313ND
90 – – – 4 ¥ FS1701) – –
C
1) Loose feltstrips
93
Sealing arrangements for SNL plummer block housings, metric shafts
Housing Shaft Sealsets Endcover
Size diam- Ldesign Adesign Cdesign Sdesign NDdesigneter 2four-lip 2V-ring Loose 2 feltseals 1labyrinth 1Taconiteda,db seals seals V-ring or loosefelt seal seal
strips
– mm – –
216 90 – TSN216A CR400900 – 2¥TSN216S 2¥TSN216ND ASNH216105 – – – 4 ¥ FS1701) – –
517 75 TSN 517L TSN517A CR400750 TSN 517C 2¥TSN517S 2¥TSN517ND ASNH517
80 – TSN314A CR400800 – 2¥TSN314S 2¥TSN314ND
95 – – – 4 ¥ FS1701) – –
217 95 – TSN217A CR400950 – 2¥TSN217S 2¥TSN217ND ASNH217
518-615 65 TSN 615L TSN615A CR400650 TSN 615C 2¥TSN615S 2¥TSN615ND ASNH518-615
80 TSN 518L TSN518A CR400800 TSN 518C 2¥TSN518S 2¥TSN518ND85 – TSN315A CR400850 – 2¥TSN315S 2¥TSN315ND
100 – – – 4 ¥ FS1701) – –
218 100 TSN 218L TSN218A CR401000 – 2¥TSN218S 2¥TSN218ND ASNH218
519-616 70 TSN 616L TSN616A CR400700 TSN 616C 2¥TSN616S 2¥TSN616ND ASNH519-616
85 TSN 519L TSN519A CR400850 TSN 519C 2¥TSN519S 2¥TSN519ND90 – TSN316A CR400900 – 2¥TSN316S 2¥TSN316ND
520-617 75 TSN 617L TSN617A CR400750 TSN 617C 2¥TSN617S 2¥TSN617ND ASNH520-617
90 TSN 520L TSN520A CR400900 TSN 520C 2¥TSN520S 2¥TSN520ND95 – TSN317A CR400950 – 2¥TSN317S 2¥TSN317ND115 TSN 220L TSN220A CR401100 – 2¥TSN220S 2¥TSN220ND
522-619 85 – TSN619A CR400850 TSN 619C 2¥TSN619S 2¥TSN619ND ASNH522-619
100 TSN 522L TSN522A CR401000 TSN 522C 2¥TSN522S 2¥TSN522ND110 – TSN319A CR401100 – 2¥TSN319S 2¥TSN319ND125 TSN 522L TSN222A CR401300 – 2¥TSN222S 2¥TSN222ND
524-620 90 – TSN620A CR400900 TSN 620C 2¥TSN620S 2¥TSN620ND ASNH524-620
110 TSN 524L TSN524A CR401100 TSN 524C 2¥TSN524S 2¥TSN524ND115 – TSN320A CR401100 – 2¥TSN320S 2¥TSN320ND135 TSN 224L TSN224A CR401300 – 2¥TSN224S 2¥TSN224ND
526 115 TSN 526L TSN526A CR401100 TSN 526C 2¥TSN526S 2¥TSN526ND ASNH526
145 TSN 226L TSN226A CR401500 – 2¥TSN226S 2¥TSN226ND
528 125 TSN 528L TSN528A CR401300 TSN 528C 2¥TSN528S 2¥TSN528ND ASNH528
155 – TSN228A CR401500 – 2¥TSN228S 2¥TSN228ND
530 135 TSN 530L TSN530A CR401300 TSN 530C 2¥TSN530S 2¥TSN530ND ASNH530
165 – TSN230A CR401700 – 2¥TSN230S 2¥TSN230ND
532 140 TSN 532L TSN532A CR401400 TSN 532C 2¥TSN532S 2¥TSN532ND ASNH532
175 – TSN232A CR401700 – 2¥TSN232S 2¥TSN232ND
da
Housing series5
db
Housing series2 Ldesign Adesign Cdesign Cdesign Sdesign NDdesign Endcover
Split Unsplit Split Felt stripscut Unsplittolength
1) Loose feltstrips
94
C
95
Housing Shaft Sealsets Endcover
Size diam- L/LAdesign A/AEdesign C/CEdesign SA/SE/SSdesign NDA/NDE/NDSeter 2four-lip 2V-ring Loose 2 feltseals 1 labyrinthseal designda seals seals V-ring 1Taconite seal
– in – –
505 3/4 – TSN505A CR400200 TSN 505C 2¥TSN505SE 2¥TSN505NDE ASNH505
506-605 3/4 – TSN605A CR400200 TSN 605C 2¥TSN605SE 2¥TSN605NDE ASNH506-605
15/16 – TSN605A CR400200 TSN 605C 2¥TSN605SA 2¥TSN605NDA ASNH506-6051 – TSN506A CR400250 TSN 506C 2¥TSN506SE 2¥TSN506NDE ASNH506-605
507-606 15/16 – TSN606A CR400250 TSN 606C 2¥TSN606SA 2¥TSN606NDA ASNH507-606
1 – TSN606A CR400250 TSN 606C 2¥TSN606SE 2¥TSN606NDE ASNH507-606
11/8 – TSN507A CR400300 TSN 507C 2¥TSN507SS 2¥TSN507NDS ASNH507-60613/16 TSN 507L TSN507A CR400300 TSN 507C 2¥TSN507SA 2¥TSN507NDA ASNH507-606
508-607 11/8 – TSN607A CR400300 TSN 607C 2¥TSN607SS 2¥TSN607NDS ASNH508-607
13/16 – TSN607A CR400300 TSN 607C 2¥TSN607SA 2¥TSN607NDA ASNH508-60711/4 – TSN 508AE CR400320 TSN 508CE 2¥TSN508SE 2¥TSN508NDE ASNH508-60713/8 TSN 508L TSN508A CR400350 TSN 508C 2¥TSN508SS 2¥TSN508NDS ASNH508-607
509 17/16 – TSN 509AE CR400380 TSN 509CE 2¥TSN509SA 2¥TSN509NDA ASNH509
11/2 – TSN 509AE CR400380 TSN 509CE 2¥TSN509SE 2¥TSN509NDE ASNH509
510-608 11/4 – TSN 608AE CR400320 TSN 608CE 2¥TSN608SE 2¥TSN608NDE ASNH510-608
13/8 – TSN608A CR400350 TSN 608C 2¥TSN608SS 2¥TSN608NDS ASNH510-608111/16 – TSN510A CR400450 TSN 510C 2¥TSN510SA 2¥TSN510NDA ASNH510-60813/4 TSN 510L TSN510A CR400450 TSN 510C 2¥TSN510SE 2¥TSN510NDE ASNH510-608
511-609 11/2 – TSN 609AE CR400380 TSN 609CE 2¥TSN609SE 2¥TSN609NDE ASNH511-609
17/16 – TSN 609AE CR400380 TSN 609CE 2¥TSN609SA 2¥TSN609NDA ASNH511-609115/16 TSN 511L TSN511A CR400500 TSN 511C 2¥TSN511SA 2¥TSN511NDA ASNH511-6092 TSN 511L TSN511A CR400500 TSN 511C 2¥TSN511SE 2¥TSN511NDE ASNH511-609
512-610 111/16 – TSN610A CR400450 TSN 610C 2¥TSN610SA 2¥TSN610NDA ASNH512-610
13/4 TSN 610L TSN610A CR400450 TSN 610C 2¥TSN610SE 2¥TSN610NDE ASNH512-61021/8 – TSN512A CR400550 TSN 512C 2¥TSN512SS 2¥TSN512NDS ASNH512-610
513-611 115/16 TSN 611L TSN611A CR400500 TSN 611C 2¥TSN611SA 2¥TSN611NDA ASNH513-611
2 TSN 611L TSN611A CR400500 TSN 611C 2¥TSN611SE 2¥TSN611NDE ASNH513-611
23/16 TSN 513LA TSN 513AE CR400550 TSN 513CE 2¥TSN513SA 2¥TSN513NDA ASNH513-61121/4 – TSN513A CR400600 TSN 513CE 2¥TSN513SE 2¥TSN513NDE ASNH513-611
515-612 21/8 – TSN612A CR400550 TSN 612C 2¥TSN612SS 2¥TSN612NDS ASNH515-612
27/16 TSN 515LA TSN 515AE CR400600 TSN 515CE 2¥TSN515SA 2¥TSN515NDA ASNH515-61221/2 – TSN515A CR400650 TSN 515C 2¥TSN515SE 2¥TSN515NDE ASNH515-612
516-613 23/16 – TSN 613AE CR400550 TSN 613CE 2¥TSN613SA 2¥TSN613NDA ASNH516-613
21/4 – TSN613A CR400600 TSN 613CE 2¥TSN613SE 2¥TSN613NDE ASNH516-613211/16 – TSN516A CR400700 TSN 516C 2¥TSN516SA 2¥TSN516NDA ASNH516-61323/4 TSN 516L TSN516A CR400700 TSN 516C 2¥TSN516SE 2¥TSN516NDE ASNH516-613
Sealing arrangements for SNL plummer block housings, inch shafts
da
Housing series5 Ldesign A/AEdesign C/CEdesign SA/SE/SSdesign NDA/NDE/NDS Endcover
Split Unsplit Split Unsplit design
96
Housing Shaft Sealsets Endcover
Size diam- L/LAdesign A/AEdesign C/CEdesign SA/SE/SSdesign NDA/NDE/NDSeter 2four-lip 2V-ring Loose 2 feltseals 1 labyrinthseal designda seals seals V-ring 1Taconite seal
– in – –
517 215/16 TSN 517L TSN517A CR400750 TSN 517C 2¥TSN517SA 2¥TSN517NDA ASNH5173 TSN 517L TSN517A CR400750 TSN 517C 2¥TSN517SE 2¥TSN517NDE ASNH517
518-615 27/16 – TSN 615AE CR400600 TSN 615CE 2¥TSN615SA 2¥TSN615NDA ASNH518-615
21/2 – TSN615A CR400650 TSN 615C 2¥TSN615SE 2¥TSN615NDE ASNH518-61533/16 TSN 518L TSN518A CR400800 TSN 518CE 2¥TSN518SA 2¥TSN518NDA ASNH518-61531/4 TSN 518L TSN518A CR400800 TSN 518CE 2¥TSN518SE 2¥TSN518NDE ASNH518-615
519-616 211/16 – TSN616A CR400700 TSN 616C 2¥TSN616SA 2¥TSN616NDA ASNH519-616
23/4 TSN 616L TSN616A CR400700 TSN 616C 2¥TSN616SE 2¥TSN616NDE ASNH519-616
520-617 215/16 TSN 617L TSN617A CR400750 TSN 617C 2¥TSN617SA 2¥TSN617NDA ASNH520-617
3 TSN 617L TSN617A CR400750 TSN 617C 2¥TSN617SE 2¥TSN617NDE ASNH520-617
37/16 – TSN520A CR400900 TSN 520C 2¥TSN520SA 2¥TSN520NDA ASNH520-61731/2 – TSN520A CR400900 TSN 520C 2¥TSN520SE 2¥TSN520NDE ASNH520-617
522-619 31/4 – TSN619A CR400850 TSN 619C 2¥TSN619SE 2¥TSN619NDE ASNH522-619
315/16 TSN 522L TSN522A CR401000 TSN 522C 2¥TSN522SA 2¥TSN522NDA ASNH522-6194 TSN 522L TSN522A CR401000 TSN 522C 2¥TSN522SE 2¥TSN522NDE ASNH522-619
524-620 37/16 – TSN620A CR400900 TSN 620C 2¥TSN620SA 2¥TSN620NDA ASNH524-620
31/2 – TSN620A CR400900 TSN 620C 2¥TSN620SE 2¥TSN620NDE ASNH524-62043/16 – TSN524A CR401100 TSN 524CE 2¥TSN524SA 2¥TSN524NDA ASNH524-62041/4 – TSN524A CR401100 TSN 524C 2¥TSN524SE 2¥TSN524NDE ASNH524-620
526 47/16 – TSN526A CR401100 TSN 526C 2¥TSN526SA 2¥TSN526NDA ASNH526
41/2 TSN 526L TSN526A CR401100 TSN 526C 2¥TSN526SE 2¥TSN526NDE ASNH526
528 415/16 TSN 528L TSN528A CR401300 TSN 528C 2¥TSN528SA 2¥TSN528NDA ASNH528
5 – TSN528A CR401300 TSN 528C 2¥TSN528SE 2¥TSN528NDE ASNH528
530 53/16 – TSN530A CR401300 TSN 530C 2¥TSN530SA 2¥TSN530NDA ASNH530
51/4 – TSN530A CR401300 TSN 530C 2¥TSN530SE 2¥TSN530NDE ASNH530
532 57/16 – TSN532A CR401400 TSN 532C 2¥TSN532SA 2¥TSN532NDA ASNH532
51/2 TSN 532L TSN532A CR401400 TSN 532C 2¥TSN532SE 2¥TSN532NDE ASNH532
C
97
Other products for trouble-freeoperation
High-performance, self-aligning standard rollingbearings
To match the high performance of the SNL
plummer block housings, SKF alsomanufac-
tures state-of-the-art self-aligning rolling
bearings:
• Self-aligning ballbearings.
• Spherical rollerbearings.
• CARB toroidal rollerbearings.
They are available in many sizes andseveral
designs.
The degree of bearing misalignment that
can be accommodated depends on thebear-
ing series and also on the seals used in the
SNLhousings.
Self-aligning ball bearings and spherical
roller bearings can be used for bothlocating
and non-locating bearing arrangements.At
non-locating positions, the bearing outerring
is free to move axially in its seating in the
housing bore. CARB toroidal roller bearings,
on the other hand, accommodate axial dis-
placements within the bearing and arealways
non-locating. It is common practice to com-
bine a CARB toroidal roller bearing on the
non-locating sidewithaspherical rollerbear-
ing or self-aligning ball bearing on the locat-
ingside.
Self-aligning ballbearings
Self-aligning ball bearings in the 12, 22, 13
and 23 series can be incorporated in SNL
plummer block housings. Sealed self-aligning
ball bearings in the 22-2RS1 series are also
appropriate, particularly where the surround-
ings inwhichtheplummerblocksaretooper-
ate are heavily contaminated. Self-aligning
ball bearings are available with a taperedbore
for mounting on adapter sleeves or with a
cylindricalbore.
Spherical rollerbearings
Spherical rollerbearings in the222,232,213
and 223 series can be incorporated in SNL
plummer block housings. Spherical roller
bearings are available with a tapered bore for
mounting on adapter or withdrawal sleeves,
or with a cylindrical bore. Sealed spherical
roller bearings in the 22, 32 and 23 Dimen-
sion Series can alsobe incorporated.
CARB toroidal roller bearings
CARBtoroidalrollerbearings in theC22,C 23 and C 32 series can be incorporatedin
SNL plummer blockhousings.
Although available in a caged as well as a
full complement version, itis normally recom-
mended that caged bearings be used in SNL
housings. CARB toroidal roller bearings are
available with a tapered bore for mounting on
an adapter sleeve or a withdrawal sleeve, as
well as with a cylindricalbore.
98
For easy mounting –adapter andwithdrawal sleeves
Generally, bearings with a tapered bore that
are incorporated in SNL plummer blockhous-
ings are mounted on straight or stepped
shafts by means of an adapter sleeve or, with
a withdrawal sleeve on stepped shaftsonly.
SKFmanufactures these sleeves inappro-
priatesizes for the rangeofbearings thatcan
beused in SNLhousings.
Adapter sleeves are more popular than
withdrawal sleeves as they are moreversatile
and easier tomount.
Withdrawal sleeves
These are also slotted sleeves with a tapered
outside diameter. The sizes used with bear-
ings for SNL housings have an externaltaper
of 1:12. Their dimensions are in accordance
with ISO2982-1:1995.
Bearings on withdrawal sleeves must be
mounted against a fixed abutment, e.g. a
shaftshoulder.Thewithdrawalsleevemustbe
secured in position after it has been pressed
into the bearing bore by a lock nut or end
plate on the shaft. The nuts are not supplied
with thesleeves.
More information about
• self-aligning ball bearings
( † General Catalogue 6000)
• spherical rollerbearings
( † General Catalogue 6000 and
brochure6100)
• CARB toroidal roller bearings
( † General Catalogue 6000 and
brochure6102)
• bearing sleeves ( † catalogue 6005)
D
Adaptersleeves
These are slotted sleeves with a taperedout-
side diameter. The sizes used with bearings
for SNL housings have an external taper of
1:12 and are supplied complete with locknut
and locking washer. Their dimensions are in
accordance with ISO2982-1:1995.
When using adapter sleeves on straight
shafts, it ispossible tolocatethebearing at
any position on the shaft and no additional
axial location isrequired.
99
Other products
Locknuts
SKF lock nuts, also referred to as shaft nuts,
are available in several designs to axially
locate bearings on shaft ends. The most pop-
ular are those in the KM, KML and HM series.
These nuts have four or eight equally spaced
slots in theoutsidediameterandare lockedin
position with locking washers or locking clips
engaging a groove in the shaft. The nut
dimensions are in accordancewith
ISO 2982-2:1995, as are the dimensionsofthe locking washers in the MB andMBLseries
and locking clips in the MSseries.
Other lock nuts produced by SKFinclude
those in the KMT, KMTA, KMK and KMFE
series and do not require a groove in the
shaft.
Lubricating greases for bearings
Lubrication is a necessity for proper bearing
performance. Grease is normally used for
applications involving SNL plummer blocks.
SKF has put considerable effort into estab-
lishing a range of high-quality greases forball
and roller bearinglubrication.
The SKF SYSTEM 24 automatic lubricator
can also be used with SNL plummer block
housings. An adapter can be fitted to the
standard drilled and tapped hole in the hous-
ing cap. It should be remembered thatsurplus
grease should be able to leave the housing
( † section “Grease lubrication” on pages 28
and29).
SKF ConCentra roller bearing units
Theseunitsareplummerblockswith factory-
lubricated bearings for easy installation. They
comprise
• a one-piece plummer blockhousing
of grey castiron
• aspherical rollerbearing in the222series
with special innerring
• a special adaptersleeve
• two seals of acrylonitrile-butadienerubber
double lip type ortwo labyrinth seals.
The units are available in a locatingand
a non-locatingversion.
100
More information about
• lock nuts ( † catalogue 6006)
• greases ( † catalogue MP3000)
• SKF ConCentra roller bearing units
( † brochure 6103)
• housings ( † catalogue 6004)
Other bearinghousings
To meet a wide variety of application
demands, SKF produces a comprehensive
range of bearing housings. The majority of
theseareofthesplitplummerblocktype
but the SKF range alsoincludes
• one-piece plummer blockhousings
• flangedhousings
• take-uphousings
• two-bearinghousings.
Most of these housings are designed to take
self-aligning bearings, and the rangeextends
to shaft diameters up to andincluding
1 800 mm. Housings are available for oil
lubrication as well as grease lubrication and
also for bearings with a cylindrical ortapered
bore, mounted on adapter or withdrawal
sleeves.Straightorsteppedshaftscanbe
used.
Various types of seals are used. Mosthous-
ings are made of grey cast iron butspheroidal
graphite cast iron or cast steel housings are
included in therange.
For additional information, contactSKF.
D
101
Condition monitoring equipmentThe goals of condition monitoring are tomax-
imize the time that the machine is correctly
functioning and to minimize the number of
breakdowns, thereby significantly reducing
operating downtime and maintenancecosts.
To achieve this, it is recommended that the
bearing and machine condition be monitored
either periodically or continuously. Condition
monitoring enables incipient bearing damage
to be detected and evaluated, so that bearing
replacement can be scheduled for a time
when the machine is not in operation, thus
avoiding unplanned stoppages. Applied to all
machinery (not just sensitive or problematic
machines), condition monitoring improves
machinery operation to an optimum level,
often exceeding the original equipmentspeci-
fications.
SKF provides a comprehensive range of
condition monitoring equipment tomeasure
allimportant parameters. These include
• temperature
• speed
• noise
• oilcondition
• shaftalignment
• vibration
• bearingcondition.
The range includes lightweight,handheld
devices for manual use as well as complex
continuous monitoring systems for fixed
installations in connection with preventive
maintenance.
One example is the MARLIN I-Pro data
manager, which is a rugged, high perform-
ance data collector that enables plant oper-
ations personnel to quickly and easily collect,
store and analyze overall machine vibration,
process and inspection data. The unit enables
trending, comparison with previous readings,
alarm alerts and more. A “user notes” feature
allows an operator to immediately record
detailed observations of troublesome
machine conditions or questionablemeasure-
ments.
SKF Machine ConditionAdviser Noisetesting MARLIN I-Pro datamanger
Recording vibration values using an SKF Microlog series datacollector
102
Evolving by-wiretechnology
SKF has a unique expertise in the fast-growing by-
wire technology, from fly-by-wire, to drive-by-wire,
to work-by-wire. SKF pioneered practical fly-by-
wire technology and is a close working partner with
all aerospace industry leaders. Asan example, virtu-
ally all aircraft of the Airbus design use SKF by-wire
systems for cockpit flightcontrol.
SKF – theknowledge engineering company
From the company that invented the self-
aligning ball bearing more than 100 years
ago, SKF has evolved into a knowledge engin-
eering company that is able to draw on five
technology platforms to create unique solu-
tions for its customers. These platforms
include bearings, bearing units and seals, of
course, but extend to other areas including:
lubricants and lubrication systems, critical for
long bearing life in many applications; mecha-
tronics that combinemechanical andelectron-
ics knowledge into systems for more effective
linear motion and sensorized solutions; and
a full range of services, from design and logis-
tics support to condition monitoring and reli-
ability systems.
Though the scope has broadened, SKF
continues to maintain the world’s leadership
in the design, manufacture and marketing of
rolling bearings, as well as complementary
products such as radial seals. SKF also holds
an increasingly important position in the mar-
ket for linear motion products, high-precision
aerospace bearings, machine tool spindles
and plant maintenanceservices.
©Airbus –photo: exm company, H. Goussé
The SKF Group is globally certified to ISO
14001, the international standard for environ-
mental management, as well as OHSAS
18001, the health and safety management
standard. Individual divisions have been
approved for quality certification in accordance
with ISO 9001 and other customer specific
requirements.
With over 100 manufacturing sites world-
wide and sales companies in 70 countries,
SKF is a truly international corporation. In
addition, our distributors and dealers in
some 15 000 locations around the world,
an e-business marketplace and a global distri-
bution system put SKF close to customers for
the supply of both products and services. In
essence, SKF solutions are available wherever
and whenever customers need them. Over-
all, the SKF brand and the corporation are
stronger than ever. As the knowledge engin-
eering company,we stand ready to serve
you with world-class product competencies,
intellectual resources, and the vision to help
yousucceed.
Bearings andunits
SealsLubrication
systems
Mechatronics Services
SKF is also a leader in automotive by-wire technol-
ogy, and has partnered with automotive engineersto
develop two concept cars, which employ SKF mecha-
tronics for steering and braking. Further by-wire
development has led SKF to produce an all-electric
forklift truck, which uses mechatronics rather than
hydraulics for allcontrols.
104
Developing a cleaner cleanerThe electric motor and its bearings are the heart of many householdappliances.
SKF works closely with appliance manufacturers to improve their products’ per-
formance, cut costs, reduce weight, and reduce energy consumption. A recent
example of this cooperation is a new generation of vacuum cleaners with sub-
stantially more suction. SKF knowledge in the area of small bearing technology
is also applied to manufacturers of power tools and officeequipment.
Harnessing wind power
The growing industry of wind-generated electric power provides a source of
clean, green electricity. SKF is working closely with global industry leaders to
develop efficient and trouble-free turbines, providing a wide range of large, highly
specialized bearings and condition monitoring systems to extend equipment life
of wind farms located in even the most remote and inhospitable environments.
Working in extreme environmentsIn frigid winters, especially in northern countries, extreme sub-zero tempera-
tures can cause bearings in railway axleboxes to seize due to lubrication starva-
tion. SKF created a new family of synthetic lubricants formulated to retain their
lubrication viscosity even at these extreme temperatures. SKF knowledge enables
manufacturers and end user customers to overcome the performance issues
resulting from extreme temperatures, whether hot or cold. For example, SKF
products are at work in diverse environments such as baking ovens and instant
freezing in food processingplants.
Maintaining a 350 km/h R&D labIn addition to SKF’s renowned research and development facilities in Europe and
the United States, Formula One car racing provides a unique environment for
SKF to push the limits of bearing technology. For over 60 years, SKF products,
engineering and knowledge have helped make Scuderia Ferrari a formidable
force in F1 racing. (The average racing Ferrari utilizes around 150 SKF compo-
nents.) Lessons learned here are applied to the products we provide to automak-
ers and the aftermarketworldwide.
Delivering Asset Efficiency OptimizationThrough SKF Reliability Systems, SKF provides a comprehensive range of asset
efficiency products and services, from condition monitoring hardware and soft-
ware to maintenance strategies, engineering assistance and machine reliability
programmes. To optimize efficiency and boost productivity, some industrial facil-
ities opt for an Integrated Maintenance Solution, in which SKF delivers all ser-
vices under one fixed-fee, performance-basedcontract.
Planning for sustainable growthBy their very nature, bearings make a positive contribution to the natural envir-
onment, enabling machinery to operate more efficiently, consume less power,
and require less lubrication. By raising the performance bar for our own prod-
ucts, SKF is enabling a new generation of high-efficiency products and equip-
ment. With an eye to the future and the world we will leave to our children, the
SKF Group policy on environment, health and safety, as well asthe manufactur-
ing techniques, are planned and implemented to help protect and preserve the
earth’s limited natural resources. We remain committed to sustainable, environ-
mentally responsiblegrowth.
D
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® SKF, CARB, KMT, KMTA, MARLIN, Microlog, Multilog and SYSTEM 24areregistered trademarks of the SKFGroup.
© SKF Group2010
The contents of this publication are the copyright of the publisher and may not be reproduced (even extracts) unless prior written permission isgranted. Every care has been taken to ensure the accuracy of the information contained in this publication but no liability can be accepted for any loss or damage whether direct, indirect or consequential arising out of the use of the information containedherein.
PUB BU/P2 06112/1 EN · April 2010
This publication supersedes publication 4403 E.
Printed in Sweden on environmentally friendlypaper.
Certain image(s) used under license fromShutterstock.com. skf.com
Created By, http://www.riccotek.com