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SKF / Cylindrical roller thrust bearings

SKF 81138 M

Single row cylindrical roller thrust bearing, single direction technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
190 mm
Outside diameterD
240 mm
Dynamic load ratingC
310 kN
Static load ratingC0
1460 kN
Limiting speednG
1400 r/min
Mass≈m
4.18 kg

Use this page as a technical reference. Verify the current manufacturer specification and the complete application requirements before selection.

Technical data

Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications12 parameters
Core specifications
ParameterSymbolValue
Variant / constructionCylindrical roller thrust bearings
Bore diameterd190 mm
Outside diameterD240 mm
HeightH37 mm
Basic dynamic load ratingC310 kN
Basic static load ratingC01460 kN
Fatigue load limitPu125 kN
Reference speednref700 r/min
Limiting speednG1400 r/min
Mass≈m4.18 kg
CageMachined brass
Bearing materialBearing steel
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter190.0 mm
Outside diameter240.0 mm
Height37.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryCylindrical roller thrust bearings
Official taxonomy path/products/rolling-bearings/roller-bearings/cylindrical-roller-thrust-bearings
Structure group IDBGS_001_002_003
Available from SKFYes
RemanufacturableNo
Engineering — Abutment dimensions3 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Abutment diameter shaftd amin. 233 mm
Abutment diameter housingD amax. 197 mm
Fillet radiusr amax. 1.1 mm
Engineering — Calculation data6 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC310 kN
Basic static load ratingC 01460 kN
Fatigue load limitP u125 kN
Reference speed700 r/min
Limiting speed1400 r/min
Minimum axial load factorA0.17
Engineering — Dimensions7 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd190 mm
Outside diameterD240 mm
HeightH37 mm
Outside diameter shaft washerd 1237 mm
Bore diameter housing washerD 1193 mm
Height shaft washerB11 mm
Chamfer dimension housing washerr 1,2min. 1.1 mm
Engineering — Included products3 parameters
Engineering — Included products
ParameterSymbolValue
Roller and cage thrust assemblyK 81138 M
Shaft washerWS 81138
Housing washerGS 81138
Logistics2 parameters
Logistics
ParameterSymbolValue
Product net weight4.18 kg
UNSPSC code31171505
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating310.0 kN
Basic static load rating1460.0 kN
Reference speed700.0 r/min
Limiting speed1400.0 r/min
Properties8 parameters
Properties
ParameterSymbolValue
Bearing partComplete bearing
Axial load capabilitySingle-direction
Number of rows1
CageMachined brass
Tolerance classNormal
Material, bearingBearing steel
CoatingWithout
Indicative carbon footprint for new product15.5 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 81138 M
Document matching
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