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SKF / Thrust ball bearings

SKF 51320

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

Technical data available
Bore diameterd
100 mm
Outside diameterD
170 mm
Dynamic load ratingC
225 kN
Static load ratingC0
570 kN
Limiting speednG
1900 r/min
Mass≈m
4.92 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 diameterd100 mm
Outside diameterD170 mm
HeightH55 mm
Basic dynamic load ratingC225 kN
Basic static load ratingC0570 kN
Fatigue load limitPu18.3 kN
Reference speednref1400 r/min
Limiting speednG1900 r/min
Mass≈m4.92 kg
CageSheet metal
Bearing materialBearing steel
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter100.0 mm
Outside diameter170.0 mm
Height55.0 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. 142 mm
Abutment diameter housingD amax. 128 mm
Fillet radiusr amax. 1.5 mm
Engineering — Calculation data6 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC225 kN
Basic static load ratingC 0570 kN
Fatigue load limitP u18.3 kN
Reference speed1400 r/min
Limiting speed1900 r/min
Minimum load factorA1.9
Engineering — Dimensions6 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd100 mm
Outside diameterD170 mm
HeightH55 mm
Outside diameter shaft washerd 1≈ 170 mm
Inner diameter housing washerD 1≈ 103 mm
Chamfer dimension washerr 1,2min. 1.5 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight4.92 kg
eClass code23-05-10-01
UNSPSC code31171507
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating225.0 kN
Basic static load rating570.0 kN
Reference speed1400.0 r/min
Limiting speed1900.0 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 product18.2 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 51320
Document matching
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