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SKF / Thrust ball bearings

SKF 51309

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

Technical data available
Bore diameterd
45 mm
Outside diameterD
85 mm
Dynamic load ratingC
76.1 kN
Static load ratingC0
153 kN
Limiting speednG
4000 r/min
Mass≈m
0.642 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 diameterd45 mm
Outside diameterD85 mm
HeightH28 mm
Basic dynamic load ratingC76.1 kN
Basic static load ratingC0153 kN
Fatigue load limitPu5.6 kN
Reference speednref2800 r/min
Limiting speednG4000 r/min
Mass≈m0.642 kg
CageSheet metal
Bearing materialBearing steel
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter45.0 mm
Outside diameter85.0 mm
Height28.0 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. 69 mm
Abutment diameter housingD amax. 61 mm
Fillet radiusr amax. 1 mm
Engineering — Calculation data6 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC76.1 kN
Basic static load ratingC 0153 kN
Fatigue load limitP u5.6 kN
Reference speed2800 r/min
Limiting speed4000 r/min
Minimum load factorA0.12
Engineering — Dimensions6 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd45 mm
Outside diameterD85 mm
HeightH28 mm
Outside diameter shaft washerd 1≈ 85 mm
Inner diameter housing washerD 1≈ 47 mm
Chamfer dimension washerr 1,2min. 1 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.642 kg
eClass code23-05-10-01
UNSPSC code31171507
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating76.1 kN
Basic static load rating153.0 kN
Reference speed2800.0 r/min
Limiting speed4000.0 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 product2.4 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 51309
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