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SKF / Thrust ball bearings

SKF 51305

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

Technical data available
Bore diameterd
25 mm
Outside diameterD
52 mm
Dynamic load ratingC
34.5 kN
Static load ratingC0
60 kN
Limiting speednG
6300 r/min
Mass≈m
0.163 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 diameterd25 mm
Outside diameterD52 mm
HeightH18 mm
Basic dynamic load ratingC34.5 kN
Basic static load ratingC060 kN
Fatigue load limitPu2.24 kN
Reference speednref4500 r/min
Limiting speednG6300 r/min
Mass≈m0.163 kg
CageSheet metal
Bearing materialBearing steel
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter25.0 mm
Outside diameter52.0 mm
Height18.0 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. 41 mm
Abutment diameter housingD amax. 36 mm
Fillet radiusr amax. 1 mm
Engineering — Calculation data6 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC34.5 kN
Basic static load ratingC 060 kN
Fatigue load limitP u2.24 kN
Reference speed4500 r/min
Limiting speed6300 r/min
Minimum load factorA0.02
Engineering — Dimensions6 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd25 mm
Outside diameterD52 mm
HeightH18 mm
Outside diameter shaft washerd 1≈ 52 mm
Inner diameter housing washerD 1≈ 27 mm
Chamfer dimension washerr 1,2min. 1 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.163 kg
eClass code23-05-10-01
UNSPSC code31171507
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating34.5 kN
Basic static load rating60.0 kN
Reference speed4500.0 r/min
Limiting speed6300.0 r/min
Properties8 parameters
Properties
ParameterSymbolValue
Axial load capabilitySingle-direction
Number of rows1
CageSheet metal
Housing washer typeFlat
Tolerance classNormal
Material, bearingBearing steel
CoatingWithout
Indicative carbon footprint for new product0.6 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 51305
Document matching
Exact designation, assembly scope, revision and units must agree.

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