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SKF / Cylindrical roller thrust bearings

SKF K 81148 M

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

Technical data available
Bore diameterd
240 mm
Outside diameterD
300 mm
Dynamic load ratingC
475 kN
Static load ratingC0
2450 kN
Limiting speednG
1100 r/min
Mass≈m
2.8 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 diameterd240 mm
Outside diameterD300 mm
HeightH18 mm
Basic dynamic load ratingC475 kN
Basic static load ratingC02450 kN
Fatigue load limitPu196 kN
Reference speednref560 r/min
Limiting speednG1100 r/min
Mass≈m2.8 kg
CageMachined brass
Bearing materialBearing steel
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter240.0 mm
Outside diameter300.0 mm
Height18.0 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 81148
Housing washerGS 81148
Engineering — Calculation data6 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC475 kN
Basic static load ratingC 02450 kN
Fatigue load limitP u196 kN
Reference speed560 r/min
Limiting speed1100 r/min
Minimum axial load factorA0.48
Engineering — Dimensions5 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd240 mm
Outside diameterD300 mm
Diameter rollerD w18 mm
Raceway diameter (min.) roller and cage thrust assemblyE a248 mm
Raceway diameter (max.) roller and cage thrust assemblyE b296 mm
Logistics2 parameters
Logistics
ParameterSymbolValue
Product net weight2.8 kg
UNSPSC code31171505
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating475.0 kN
Basic static load rating2450.0 kN
Reference speed560.0 r/min
Limiting speed1100.0 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 product10.4 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF K 81148 M
Document matching
Exact designation, assembly scope, revision and units must agree.

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