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SKF / Thrust ball bearings

SKF 51238 M

Single direction thrust ball bearing technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
190 mm
Outside diameterD
270 mm
Dynamic load ratingC
338 kN
Static load ratingC0
1250 kN
Limiting speednG
1400 r/min
Mass≈m
11.5 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 / constructionThrust ball bearings
Bore diameterd190 mm
Outside diameterD270 mm
HeightH62 mm
Basic dynamic load ratingC338 kN
Basic static load ratingC01250 kN
Fatigue load limitPu30 kN
Reference speednref1000 r/min
Limiting speednG1400 r/min
Mass≈m11.5 kg
CageMachined brass
Bearing materialBearing steel
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter190.0 mm
Outside diameter270.0 mm
Height62.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryThrust ball bearings
Official taxonomy path/products/rolling-bearings/ball-bearings/thrust-ball-bearings
Structure group IDBD1_001_BDC_001
Available from SKFYes
RemanufacturableNo
Engineering — Abutment dimensions3 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Abutment diameter shaftd amin. 238 mm
Abutment diameter housingD amax. 222 mm
Fillet radiusr amax. 2 mm
Engineering — Calculation data6 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC338 kN
Basic static load ratingC 01250 kN
Fatigue load limitP u30 kN
Reference speed1000 r/min
Limiting speed1400 r/min
Minimum load factorA8.4
Engineering — Dimensions6 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd190 mm
Outside diameterD270 mm
HeightH62 mm
Outside diameter shaft washerd 1≈ 267 mm
Inner diameter housing washerD 1≈ 194 mm
Chamfer dimension washerr 1,2min. 2 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight11.5 kg
eClass code23-05-10-01
UNSPSC code31171507
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating338.0 kN
Basic static load rating1250.0 kN
Reference speed1000.0 r/min
Limiting speed1400.0 r/min
Properties8 parameters
Properties
ParameterSymbolValue
Axial load capabilitySingle-direction
Number of rows1
CageMachined brass
Housing washer typeFlat
Tolerance classNormal
Material, bearingBearing steel
CoatingWithout
Indicative carbon footprint for new product42.4 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 51238 M
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