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KOYO / Single-row / metric series

KOYO 32972JR

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

Technical data available
Bore diameterd
360 mm
Outside diameterD
480 mm
WidthB
76 mm
Dynamic load ratingC
1350 kN
Static load ratingC0
2400 kN
Limiting speednG
560 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 diameterd360 mm
Outside diameterD480 mm
WidthB76 mm
Basic dynamic load ratingC1350 kN
Basic static load ratingC02400 kN
Fatigue load limitPu231 kN
Limiting speednG560 r/min
Mass≈m37.1 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
d360 mm
D480 mm
T76 mm
B76 mm
C57 mm
R(Min.)4 mm
R1(Min.)3 mm
Basic Load Ratings : Cr1350 kN
Basic Load Ratings : C0R2400 kN
Fatigue Load Limit : Cu231 kN
Limiting Speeds(Grease Lub.)560 min-1
Limiting Speeds(Oil Lub.)740 min-1
Load Center Spread : A96.2 mm
Constant E0.46
Axial Load Factors : Y11.31
Axial Load Factors : Y00.72
Da(Min.)438 mm
Db(Max.)379 mm
Da(Max.)466 mm
Db(Min.)466 mm
Sa(Min.)12 mm
Sb(Min.)19 mm
Ra(Max.)3 mm
Rb(Max.)2.5 mm
Mass(Refer.)37.1 kg

Technical documents & data sheet

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Record identity
KOYO 32972JR
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