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SKF / Cylindrical roller thrust bearings

SKF 81280 M

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

Technical data available
Bore diameterd
400 mm
Outside diameterD
540 mm
Dynamic load ratingC
2120 kN
Static load ratingC0
10400 kN
Limiting speednG
500 r/min
Mass≈m
79 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 specifications11 parameters
Core specifications
ParameterSymbolValue
Variant / constructionCylindrical roller thrust bearings
Bore diameterd400 mm
Outside diameterD540 mm
HeightH112 mm
Basic dynamic load ratingC2120 kN
Basic static load ratingC010400 kN
Fatigue load limitPu735 kN
Reference speednref240 r/min
Limiting speednG500 r/min
Mass≈m79 kg
Bearing materialBearing steel
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter400.0 mm
Outside diameter540.0 mm
Height112.0 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. 531 mm
Abutment diameter housingD amax. 433 mm
Fillet radiusr amax. 3 mm
Engineering — Calculation data6 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC2120 kN
Basic static load ratingC 010400 kN
Fatigue load limitP u735 kN
Reference speed240 r/min
Limiting speed500 r/min
Minimum axial load factorA8.7
Engineering — Dimensions7 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd400 mm
Outside diameterD540 mm
HeightH112 mm
Outside diameter shaft washerd 1535 mm
Bore diameter housing washerD 1405 mm
Height shaft washerB33.5 mm
Chamfer dimension housing washerr 1,2min. 4 mm
Engineering — Included products2 parameters
Engineering — Included products
ParameterSymbolValue
Shaft washerIW-81280
Housing washerOW-81280
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight79.0 kg
eClass code23-05-11-01
UNSPSC code31171507
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating2120.0 kN
Basic static load rating10400.0 kN
Reference speed240.0 r/min
Limiting speed500.0 r/min
Properties6 parameters
Properties
ParameterSymbolValue
Bearing partComplete bearing
Axial load capabilitySingle-direction
Number of rows1
Material, bearingBearing steel
CoatingWithout
Indicative carbon footprint for new product292.0 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 81280 M
Document matching
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