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KOYO / Single-row / metric series

KOYO 32040JR

Tapered roller bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
200 mm
Outside diameterD
310 mm
WidthB
70 mm
Dynamic load ratingC
949 kN
Static load ratingC0
1340 kN
Limiting speednG
1100 r/min

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 specifications9 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSingle-row / Metric series
Bore diameterd200 mm
Outside diameterD310 mm
WidthB70 mm
Basic dynamic load ratingC949 kN
Basic static load ratingC01340 kN
Fatigue load limitPu146 kN
Limiting speednG1100 r/min
Mass≈m19.1 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key050-010-010
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathTapered roller bearings - Single-row - Metric series
Official Classification 1Tapered roller bearings / Single-row / Metric series
Technical Data25 parameters
Technical Data
ParameterSymbolValue
d200 mm
D310 mm
T70 mm
B70 mm
C53 mm
R(Min.)3 mm
R1(Min.)2.5 mm
Basic Load Ratings : Cr949 kN
Basic Load Ratings : C0R1340 kN
Fatigue Load Limit : Cu146 kN
Limiting Speeds(Grease Lub.)1100 min-1
Limiting Speeds(Oil Lub.)1400 min-1
Load Center Spread : A66.9 mm
Constant E0.43
Axial Load Factors : Y11.39
Axial Load Factors : Y00.77
Da(Min.)273 mm
Db(Max.)221 mm
Da(Max.)298 mm
Db(Min.)297 mm
Sa(Min.)11 mm
Sb(Min.)17 mm
Ra(Max.)2.5 mm
Rb(Max.)2 mm
Mass(Refer.)19.1 kg

Technical documents & data sheet

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Record identity
KOYO 32040JR
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