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KOYO / Single-row / metric series

KOYO 32064JR

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

Technical data available
Bore diameterd
320 mm
Outside diameterD
480 mm
WidthB
100 mm
Dynamic load ratingC
1900 kN
Static load ratingC0
2810 kN
Limiting speednG
600 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 diameterd320 mm
Outside diameterD480 mm
WidthB100 mm
Basic dynamic load ratingC1900 kN
Basic static load ratingC02810 kN
Fatigue load limitPu273 kN
Limiting speednG600 r/min
Mass≈m58.7 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
d320 mm
D480 mm
T100 mm
B100 mm
C74 mm
R(Min.)5 mm
R1(Min.)4 mm
Basic Load Ratings : Cr1900 kN
Basic Load Ratings : C0R2810 kN
Fatigue Load Limit : Cu273 kN
Limiting Speeds(Grease Lub.)600 min-1
Limiting Speeds(Oil Lub.)800 min-1
Load Center Spread : A103.0 mm
Constant E0.46
Axial Load Factors : Y11.31
Axial Load Factors : Y00.72
Da(Min.)418 mm
Db(Max.)344 mm
Da(Max.)462 mm
Db(Min.)461 mm
Sa(Min.)16 mm
Sb(Min.)26 mm
Ra(Max.)4 mm
Rb(Max.)3 mm
Mass(Refer.)58.7 kg

Technical documents & data sheet

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Record identity
KOYO 32064JR
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