rollway bearings - resourcesresources.kamanmarketing.com/.../08/31/emerson-rollway-bearings.pdf ·...
TRANSCRIPT
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Rollway BearingsRollway Bearings
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2CONFIDENTIAL
OutlineOutlineOutline• Overview• Features & Benefits• Competition• Product Selection• Markets & Applications• Summary• Key Contacts
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Aerospace Valparaiso, INSmall Radials(<6 inch OD) Valparaiso, INSmall Journals(<6 inch OD) Monticello, INLarge Radials & Journals(>6 inch OD) Ithaca, NYThrust Bearings Ithaca, NY
Cylindrical
Journal
Thrust
Overview – ProductsOverview Overview –– ProductsProducts
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4CONFIDENTIAL
Radial (Cylindrical) Roller BearingsRadial (Cylindrical) Roller BearingsRadial (Cylindrical) Roller Bearings• Metric series standard• Extra capacity design available• Size range
–Bore diameters from 15 to 736mm (29”)
–Outside diameters from 40 to 1,016mm (40”)
• Several retainer types available
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Races - manufactured from Vacuum Degassed Through Hardened Bearing Grade Steel. Surfaces are precision ground to RBEC 1 tolerances
Crowned rollers. Extra capacity bearing designs have larger rollers, maximizing the load carrying potential of the bearing’s cross sectional area.
Unmounted Internal Clearances - Standard C3 Additional internal clearances available
3 Standard Retaineroptions
Segmented steel retainer
2 piece machined brass retainer
1 piece Stamped Steel
Radial (Cylindrical) Roller BearingsRadial (Cylindrical) Roller BearingsRadial (Cylindrical) Roller Bearings
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6CONFIDENTIAL
Crowned Roller
Uncrowned Roller
Stress Pattern
Stress Pattern
Crowned RollersCrowned RollersCrowned Rollers• Crowned rollers yield
a more evenly distributed load pattern on the races, resulting in longer life.
• All Rollway cylindrical and tapered bearings feature crowned rollers.
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7CONFIDENTIAL
Cylindrical Roller RetainersCylindrical Roller RetainersCylindrical Roller Retainers• The retainer separates & holds the rollers in a
determined location to evenly distribute the load.• 4 Types:
– None - Full Compliment - Low speed, high load.– Steel (stamped or segment type) - standard retainer type.– Brass (bronze) - Higher speed than steel, may have lower
load rating due to the number of rollers in the brass retainer.
– Land Riding (brass or steel) - Very high speed applications / special design required.
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8CONFIDENTIAL
RetainersRetainersRetainers• Low Carbon Stamped Steel• Rides below pitch circle• Low Speed• Used only with Outer Race or Retaining rings• Rollers guided by raceway flanges• Well suited for volume production• Most widely used
One Piece Stamped Steel
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9CONFIDENTIAL
Segments and End Plates
RetainersRetainersRetainers• Formed steel segments held
between two steel end plates• Good roller guidance with
minimizing friction • Flexible – accommodates different
widths• Retainer design is well adapted for
volume production
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10CONFIDENTIAL
Two Piece Drilled Brass
RetainersRetainersRetainers• Accurate roller guidance• Machined Pockets to minimize
skewing• Typically made of brass, cast iron
is available for applications where brass cannot be used
• Higher speed applications• Available with most radial roller
bearing designs
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11CONFIDENTIAL
One Piece Machined
RetainersRetainersRetainers• High speed applications.• Made of brass or silver plated
steel• Land riding, minimizing friction
between the rollers & the retainer• MTO only
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12CONFIDENTIAL
Journal BearingsJournal BearingsJournal Bearings• The Journal Roller Bearing
is a needle roller bearing defined by the construction of the roller assembly.
• The roller assembly is constructed such that the rollers are held in the steel cage by trunions machined on the end of the rollers.
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13CONFIDENTIAL
Journal BearingsJournal BearingsJournal Bearings• Needle roller bearing• Metric Bore/OD• Sizes
• Bore diameters from 25mm to 220mm (8.661”)
• Outside diameters from 62mm to 380mm (14.960”)
• Sold complete or as components• Trunion style rollers• Steel cage
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14CONFIDENTIAL
Journal BearingsJournal BearingsJournal Bearings• Sold as components or as complete assemblies:
• Outer race only• Inner race only• Roller assembly only• Outer race with roller assembly• Complete bearing assembly
• Interchangeable with other manufacturers parts• For a given size, multiple lengths are available• Special inner races are available:
• With locating notches• Extra wide
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15CONFIDENTIAL
Cage
Races
Rollers
Oil Hole
ConstructionConstructionConstruction
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16CONFIDENTIAL
Roller Thrust BearingRoller Thrust BearingRoller Thrust Bearing• The Rollway Options - we have one of the broadest thrust
bearing offerings.• Specializing in heavy duty types.• Types, styles & series differ
– Cylindrical Thrust ----------------------
– Tapered Thrust -------------
– Tandem Thrust ---
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17CONFIDENTIAL
Cylindrical ThrustCylindrical ThrustCylindrical ThrustMedium Duty - 600 Series– 1” to 3” Bore (26 sizes)– One row of rollers
Heavy Duty - 700 Series– Over 3” Bore (48 sizes)– Sizes in 1 inch increments– Multiple OD sizes for a given bore
diameter
Styles include: Aligning, Crane Hook, Double Act
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Plates manufactured from Vacuum Degassed Through HardenedBearing Grade Steel. Surfaces are ground & superfinished.
Shaft Plates manufactured to conform to ABMA size & tolerance specifications. Bore is ground to easily accept the shaft while the outside diameter will typically have a turned finish & be smaller than the outside diameter of the housing plate
Housing Plates manufactured to conform to ABMA size & tolerance specifications. Outside diameter is ground to easily fit into the housing while the bore will typically have a turned finish & be larger than the bore of the shaft plate
Rollers manufactured from Vacuum Degassed Through Hardened Bearing Grade Steel. Surfaces are ground and superfinished. Outside diameters are crowned. Ends have a large machined radius designed to reduce friction between the roller & the retaining ring. Larger bearings use multiple rollers per pocket to minimize slippage
Retainers manufactured from centrifugally cast brass/bronze. Roller slots are accurately machined to provide smooth operation of the roller assembly. Rollers are retained by a steel band placed over the outside diameter of the retainer.
Cylindrical ThrustCylindrical ThrustCylindrical Thrust
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19CONFIDENTIAL
Aligning Thrust BearingsAligning Thrust BearingsAligning Thrust Bearings• Accommodate static misalignment
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20CONFIDENTIAL
Double Acting Thrust BearingsDouble Acting Thrust BearingsDouble Acting Thrust Bearings• Carry thrust loads in both directions
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21CONFIDENTIAL
Simplified Double Acting Thrust BearingsSimplified Double Acting Thrust BearingsSimplified Double Acting Thrust Bearings• Carry thrust loads in both directions
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22CONFIDENTIAL
Cylindrical Thrust BearingsCylindrical Thrust BearingsCylindrical Thrust Bearings• Self aligning, double acting, cylindrical thrust
– Allows for static misalignment of up to 3o
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23CONFIDENTIAL
Crane Hook Cylindrical ThrustCrane Hook Cylindrical ThrustCrane Hook Cylindrical Thrust• Crane hook applications• “Weathershed” shield• With or without grease fittings
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T624 dyn cap = 40.5KT730 dyn cap = 82.2K
T731 dyn cap = 98.8KT732 dyn cap = 126.2K
T733 dyn cap = 147.5K
Cylindrical ThrustCylindrical ThrustCylindrical Thrust• 3” bore
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Tapered ThrustTapered ThrustTapered Thrust• TTHD and TTVF styles• Tapered roller produce true rolling
motion• Carburized components• Sizes
– Bore diameters from 4” to 16”– Outside diameters from 8.5 to 34”
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26CONFIDENTIAL
Plates manufactured from Vacuum Degassed Carburizing Bearing Grade Steel. Surfaces are precision ground to ABMA standards. Unlike the cylindrical thrust, these plates can be used as either the shaft or housing plate.
Retainers are machined from a single piece of centrifugally cast brass.
Outboard ends of the rollers have precision ground & superfinished contours to reduce friction.
Rollers manufactured from Vacuum Degassed Carburizing Bearing Grade Steel. Surfaces are precision ground & crowned to ensure evenly distributed stresses on the plates.
Tapered ThrustTapered ThrustTapered Thrust
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27CONFIDENTIAL
Tapered ThrustTTHD Style
T-Flat ThrustTTVF Style
Tapered ThrustTapered ThrustTapered Thrust
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28CONFIDENTIAL
Cylindrical Vs Tapered ThrustCylindrical Vs Tapered ThrustCylindrical Vs Tapered Thrust• For a given inch bore size the tapered thrust offer a high
capacity option• Tapered thrust have other inherent advantages
– Tapered rollers travel with true rolling motion, no skidding
– Superior in horizontal shaft applications, no roller assembly slippage
• For a given envelope the tapered thrust can cost 2X more than a cylindrical thrust
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29CONFIDENTIAL
Cylindrical vs. Tapered ThrustCylindrical vs. Tapered ThrustCylindrical vs. Tapered Thrust
Cylindrical Thrust
T-753
8” x 16” x 3”
Dyn.Cap. = 516,400 lbs.
$1873.30 – Dist Cost
Tapered Thrust
T-811
8” x 16.5” x 3.625”
Dyn.Cap. = 752,120 lbs.
$3069.53 – Dist Cost
700 Series
Source: STATS
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30CONFIDENTIAL
Tandem ThrustTandem ThrustTandem Thrust• Inch and Metric design• Provide high load carrying capability in small
OD envelope• Sizes
– Bore diameters from under 1” to 22”– Outside diameters from 3 to 42”
• Number of stages - 2 to 8• Applications include; Extruder Drives, Down
Hole Drills
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Rollers manufactured from Vacuum Degassed Carburized Bearing Grade Steel. Surfaces are ground & superfinished. Outside diameters are heavily crowned. Ends have large machined radius designed to reduce friction between the roller & the retaining ring. Larger bearings use multiple rollers per pocket to minimize slippage
Plates manufactured from Vacuum Degassed Carburizing Bearing Grade Steel. Surfaces are precision ground & superfinished.
Compression Sleeves manufactured from various materials designed to provide controlled deflection. Components are match ground with the plates.
Retainers manufactured from centrifugally cast bass. Roller slots are accurately machined to provide smooth operation of the roller assembly. Rollers are retained by a steel band placed over the outside diameter of the retainer.
Tandem ThrustTandem ThrustTandem Thrust
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32CONFIDENTIAL
Maximizing EnvelopeMaximizing EnvelopeMaximizing Envelope• Rollway’s Tandem thrust bearing is a problem solver• Provides for very high thrust carrying capability in a small
radial space• Applied into
– twin screw extruders– oilfield swivels
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33CONFIDENTIAL
Maximizing EnvelopeMaximizing EnvelopeMaximizing Envelope
TMFTMF--030127030127--2012016 stage Tandem6 stage TandemDyn Cap = 329,900 lbDyn Cap = 329,900 lbOD = 5OD = 5””
T752 CylindricalT752 CylindricalDyn Cap = 374,500 lbDyn Cap = 374,500 lbOD = 14OD = 14”” TT--511 Tapered 511 Tapered
Dyn Cap = 322,500 lbDyn Cap = 322,500 lbOD = 10.5OD = 10.5””
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34CONFIDENTIAL
Spherical BearingsSpherical BearingsSpherical Bearings• Rollway Sphericals are Romanian sourced from ISO
certified facilities• RBNV is ISO Certified• Series available: 22200, 22300, 23000, 23100, 23200,
23900, 24000 and 24100 • RBEC 1 / PO tolerances standard • W33 standard• Machined brass cages• Shaker screen style
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35CONFIDENTIAL
RollwayARB
Berliss
RBCHyatt
CurrentManufacture
Manufacturedin Past
RBC & Hyatt interchange opportunities still exist
Journal Bearing CompetitorsJournal Bearing CompetitorsJournal Bearing Competitors
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36CONFIDENTIAL
Rollway Radial “Product Line”Rollway Radial Rollway Radial ““Product LineProduct Line””• 39 Bore sizes cataloged• 12 different dimensional series available
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37CONFIDENTIAL
Cylindrical Numbering SystemsCylindrical Numbering SystemsCylindrical Numbering Systems• Rollway uses 3 different number systems for
radial roller bearings:– “MAX” numbering system– “Tru-Rol” numbering system– “ISO” numbering system
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38CONFIDENTIAL
Rollway Radial Race ConfigurationsRollway Radial Race ConfigurationsRollway Radial Race Configurations
Many Possible Design Configurations
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SeparableSeparableSeparableInner or outer race is
separable, both directions. Rollers are retained in the non-
separable race.
E ---- UMUC ---
NU ---
E ---- B U ---- EMCS ---
N ---
“Tru-Rol”“MAX”
“ISO”
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Separable One DirectionSeparable One DirectionSeparable One Direction
U ---- LML ---
“Tru-Rol”“MAX”
“ISO”
L ---- UMUL ---
NJ ---
Inner or outer race is separable in one direction, the rollers are retained in the non-
separable race.
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4 Flange Design4 Flange Design4 Flange Design
U ---- LPMN ---
“Tru-Rol”“MAX”
“ISO”
LP ---- UMU ---
NUP ---
Inner or outer race is 2 pieces, creating a double flanged race. The rollers are retained by the
other race.
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Non-separableNonNon--separableseparable
The bearing is non-separable. Snaprings hold the assembly
together.
U ---- J “Tru-Rol”“MAX”
“ISO”
U ---- BM ---
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43CONFIDENTIAL
“Tru-Rol” Numbering System““TruTru--RolRol”” Numbering SystemNumbering System
E-1212-U-199Variation Code
Suffix
Size Designator
Prefix
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44CONFIDENTIAL
Bearing Size DesignatorsBearing Size DesignatorsBearing Size Designators
5220
32020 X 5 = 100mm
DimensionSeries Bore Size
300
5200
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45CONFIDENTIAL
“Max” Numbering System““MaxMax”” Numbering SystemNumbering System
MCSMCS--52225222--103103
Variation CodeVariation Code
Size DesignatorSize Designator
PrefixPrefix
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46CONFIDENTIAL
“ISO” Numbering System““ISOISO”” Numbering SystemNumbering System
NU-320-EMC3
Variation Code
Size Designator
Prefix
NU-320-VAB V = VariationAA = 1st variationAB = 2nd variationAC = 3rd variation, etc.
E = Extra CapacityM = Machined Ret.
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47CONFIDENTIAL
Retainer Option CodesRetainer Option CodesRetainer Option CodesE-1212-UE-1212-UMRE-1212-UM
“Tru-Rol” (and “Max-Rol”) Numbering:• Steel - no code applied, standard• Brass - “MR” added to suffix• No-Retainer - “M” added to suffix
MUL-5222RUL-5222
NU-320-EM
“Max” Numbering:• Brass - “M” 1st letter in prefix• Cast Iron - “R” 1st letter in prefix
“ISO” Numbering:• Brass - “M” added to Suffix
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48CONFIDENTIAL
Internal Clearance CodeInternal Clearance CodeInternal Clearance Code
E-1212-U-005
MCS-5222-007
“Tru-Rol” and “MAX” Numbering Systems:• Standard clearance “006” has no code• Special clearance is specified by adding a clearance code• Tighter: 003, 005• Looser: 007, 009• Rollway standard clearances differ from competitors and ABMA standard.
Tru-Rol:
NU-320-EMC3“ISO” Numbering System:• No suffix indicates“C0” clearance.• Tighter: C2 • Looser: C3, C4• Rollway “standard” is “C3”
MAX:
ISO:
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Journal Bearing NomenclatureJournal Bearing NomenclatureJournal Bearing Nomenclature• Journal Bearings are sold as complete units or as
components
CompleteAssembly
Outer Raceand RollerAssembly
OuterRace
RollerAssembly Inner Race
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Component Codes
CompleteAssembly
Outer Raceand RollerAssembly
OuterRace
RollerAssembly Inner Race
D-### B-### B-###-70 WS-### E-###-60
Journal Bearing NomenclatureJournal Bearing NomenclatureJournal Bearing Nomenclature
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51CONFIDENTIAL
Bearing Size Designators
D-211-29
11 X 5 = 55mmBore Size
Series Codes• 200• 300
Length variation codelength in 1/16”
29 X 1/16 = 1-13/16”
Journal Bearing NomenclatureJournal Bearing NomenclatureJournal Bearing Nomenclature
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52CONFIDENTIAL
T622-201Variation Code
Size Designator
Prefix
Indicates non standard features present
600 or 700 series codes• Second 2 digits indicate the size
Prefix identifies the bearing configuration
Cylindrical Thrust NomenclatureCylindrical Thrust NomenclatureCylindrical Thrust Nomenclature
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53CONFIDENTIAL
Cylindrical Thrust NomenclatureCylindrical Thrust NomenclatureCylindrical Thrust Nomenclature• T – Standard Cylindrical thrust.• AT – Aligning thrust.• DT - Standard double acting thrust• DAT - Double acting, aligning thrust• SDT - Simplified double acting thrust• CT – Crane Hook, no fitting• WCT – Crane Hook, with fitting
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54CONFIDENTIAL
T-811-201Variation Code
Size Designator
Prefix
2 types of variation codes• Standard variations • Special MTO variations from standard use sequential numbers starting from 201
Series and size code• 1st (1st & 2nd) digit is bore size in inches• other digits are space holders
Prefix identifies the bearing design.Note the hyphen “-” is significant.
Tapered Thrust NomenclatureTapered Thrust NomenclatureTapered Thrust Nomenclature
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TAB-120240-201Variation Code
Size Designator
Prefix
2 types of variation codes• Standard variations• Special MTO variations from standard use sequential numbers starting from 201
Series and size code• 1st 3 digits is bore size in inches or mm• 2nd 3 digits is the OD size in inches or mm
Prefix identifies the bearing designTAB, TAC, TAD, TAF - Inch sizes where “B” is 2 stage, “C” is 3 stage, etc.TMB, TMC, TMD, TMF, TMH - metric sizes where “B” is 2 stage, “C” is 3 stage, etc.
Tapered Thrust NomenclatureTapered Thrust NomenclatureTapered Thrust Nomenclature
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56CONFIDENTIAL
T611 = 600 series cylindrical T611 = 600 series cylindrical
There is an overlap in part numbers between the Cylindrical & Tapered thrust bearings:
TT--611 = Tapered thrust611 = Tapered thrust
CautionCautionCaution
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57CONFIDENTIAL
Markets & ApplicationsMarkets & ApplicationsMarkets & Applications• Extruders• Overhead Cranes• Motors• Pumps / Compressors• Machine Tools• Corrugators• Coal Pulverizers
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58CONFIDENTIAL
Overhead CranesOverhead CranesOverhead Cranes• Radial roller bearings• Journal roller bearings
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59CONFIDENTIAL
Overhead CranesOverhead CranesOverhead Cranes• Crane hook bearings• Cylindrical thrust bearings
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60CONFIDENTIAL
Barrel Support Bearing
• Engineered radial roller bearings• Engineered cylindrical thrust bearings
Axial Piston PumpsAxial Piston PumpsAxial Piston Pumps
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Rotary CompressorsRotary CompressorsRotary Compressors• 400 series radial roller bearings
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DC Electric MotorsDC Electric MotorsDC Electric Motors• Radial roller bearings• Journal bearings
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AC Electric MotorsAC Electric MotorsAC Electric Motors• Radial roller bearings
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Gear DrivesGear DrivesGear Drives• Radial roller bearings• 5200 series radial roller bearings
64CONFIDENTIAL
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Single Screw ExtrudersSingle Screw ExtrudersSingle Screw Extruders• Cylindrical roller thrust bearings• Tapered roller thrust bearings• Tandem thrust bearings• Radial roller bearings
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Twin Screw ExtrudersTwin Screw ExtrudersTwin Screw Extruders
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Power GenerationPower GenerationPower Generation• Radial roller bearings• Cylindrical thrust bearings• Tapered thrust bearings
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Draglines & ShovelsDraglines & ShovelsDraglines & Shovels• Large diameter radial roller bearings
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69CONFIDENTIAL
Haul TrucksHaul TrucksHaul Trucks• Radial roller bearings
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Shaker ScreensShaker ScreensShaker Screens• Engineered radial roller bearings
70CONFIDENTIAL
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Rock CrusheresRock Rock CrusheresCrusheres• Large diameter radial
roller bearings• Large diameter cylindrical
thrust bearings• Large diameter tapered
thrust bearings
71CONFIDENTIAL
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72CONFIDENTIAL
Rolling MillsRolling MillsRolling Mills• Mill Stands• Runout table rolls• Furnace cars• Mill motors• Over head cranes
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• Engineered / large diameter radial roller bearings• Engineered thrust bearings• Engineered / high speed radial roller bearings
Mill StandsMill StandsMill Stands
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74CONFIDENTIAL
Transfer & Runout TablesTransfer & Transfer & RunoutRunout TablesTables• 5200 series radial roller bearings• Journal roller bearings
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75CONFIDENTIAL
Support ApplicationsSupport ApplicationsSupport Applications• Cranes• Mill motors• Furnace cars
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76CONFIDENTIAL
The Rotary Rig
HookMud
Pump
Drawworks
Swivel
ShaleShaker
Oil & Gas DiscoveryOil & Gas DiscoveryOil & Gas Discovery
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77CONFIDENTIAL
SwivelsSwivelsSwivels• Tapered thrust bearings
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78CONFIDENTIAL
HooksHooksHooks• Cylindrical thrust bearings
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79CONFIDENTIAL
Mud PumpsMud PumpsMud Pumps• Engineered / large
diameter radial roller bearings
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80CONFIDENTIAL
DrawworksDrawworksDrawworks• Radial roller bearings
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81CONFIDENTIAL
Crank Pin
Gear Drive
Pumping UnitsPumping UnitsPumping Units
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82CONFIDENTIAL
Cementing & Fracturing trucks
Well ServicingWell ServicingWell Servicing
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83CONFIDENTIAL
SummarySummarySummary• Rollway manufactures a complete line of standard and
special order roller bearings• Sizes range from 2” to 42” and through precision class
RBEC 5• Product Summary
– Cylindrical Roller– Journal Roller– Thrust
• Cylindrical• Tapered• Tandem
– Specials
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84CONFIDENTIAL
Key ContactsKey ContactsKey Contacts• Visit us at www.emerson-ept.com• EPT Customer Service (800-626-2120)
– Price– Availability– ATO Eligibility– Order Entry
• Technical Customer Service (219-465-2211)– Technical product questions– Application & interchange assistance