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SKF / Cylindrical roller thrust bearings

SKF K 81144 M

Cylindrical roller and cage thrust assembly technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
220 mm
Outside diameterD
270 mm
Dynamic load ratingC
335 kN
Static load ratingC0
1700 kN
Limiting speednG
1300 r/min
Mass≈m
2.04 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 diameterd220 mm
Outside diameterD270 mm
HeightH15 mm
Basic dynamic load ratingC335 kN
Basic static load ratingC01700 kN
Fatigue load limitPu137 kN
Reference speednref670 r/min
Limiting speednG1300 r/min
Mass≈m2.04 kg
CageMachined brass
Bearing materialBearing steel
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter220.0 mm
Outside diameter270.0 mm
Height15.0 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 — Associated products2 parameters
Engineering — Associated products
ParameterSymbolValue
Shaft washerWS 81144
Housing washerGS 81144
Engineering — Calculation data6 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC335 kN
Basic static load ratingC 01700 kN
Fatigue load limitP u137 kN
Reference speed670 r/min
Limiting speed1300 r/min
Minimum axial load factorA0.23
Engineering — Dimensions5 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd220 mm
Outside diameterD270 mm
Diameter rollerD w15 mm
Raceway diameter (min.) roller and cage thrust assemblyE a226 mm
Raceway diameter (max.) roller and cage thrust assemblyE b263 mm
Logistics2 parameters
Logistics
ParameterSymbolValue
Product net weight2.04 kg
UNSPSC code31171505
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating335.0 kN
Basic static load rating1700.0 kN
Reference speed670.0 r/min
Limiting speed1300.0 r/min
Properties8 parameters
Properties
ParameterSymbolValue
Bearing partRoller and cage assembly
Axial load capabilitySingle-direction
Number of rows1
CageMachined brass
Tolerance classNormal
Material, bearingBearing steel
CoatingWithout
Indicative carbon footprint for new product7.6 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF K 81144 M
Document matching
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