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SKF / Cylindrical roller thrust bearings

SKF 81148 M

Single row cylindrical roller thrust bearing, single direction 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
7.7 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
HeightH45 mm
Basic dynamic load ratingC475 kN
Basic static load ratingC02450 kN
Fatigue load limitPu196 kN
Reference speednref560 r/min
Limiting speednG1100 r/min
Mass≈m7.7 kg
CageMachined brass
Bearing materialBearing steel
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter240.0 mm
Outside diameter300.0 mm
Height45.0 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. 296 mm
Abutment diameter housingD amax. 248 mm
Fillet radiusr amax. 1.5 mm
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 — Dimensions7 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd240 mm
Outside diameterD300 mm
HeightH45 mm
Outside diameter shaft washerd 1297 mm
Bore diameter housing washerD 1243 mm
Height shaft washerB13.5 mm
Chamfer dimension housing washerr 1,2min. 1.5 mm
Engineering — Included products3 parameters
Engineering — Included products
ParameterSymbolValue
Roller and cage thrust assemblyK 81148 M
Shaft washerWS 81148
Housing washerGS 81148
Logistics2 parameters
Logistics
ParameterSymbolValue
Product net weight7.7 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 partComplete bearing
Axial load capabilitySingle-direction
Number of rows1
CageMachined brass
Tolerance classNormal
Material, bearingBearing steel
CoatingWithout
Indicative carbon footprint for new product28.5 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 81148 M
Document matching
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