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KOYO / Single-row / metric series

KOYO 32315CR

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

Technical data available
Bore diameterd
75 mm
Outside diameterD
160 mm
WidthB
55 mm
Dynamic load ratingC
447 kN
Static load ratingC0
474 kN
Limiting speednG
2500 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 diameterd75 mm
Outside diameterD160 mm
WidthB55 mm
Basic dynamic load ratingC447 kN
Basic static load ratingC0474 kN
Fatigue load limitPu61.4 kN
Limiting speednG2500 r/min
Mass≈m5.5 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
d75 mm
D160 mm
T58 mm
B55 mm
C43 mm
R(Min.)3 mm
R1(Min.)2.5 mm
Basic Load Ratings : Cr447 kN
Basic Load Ratings : C0R474 kN
Fatigue Load Limit : Cu61.4 kN
Limiting Speeds(Grease Lub.)2500 min-1
Limiting Speeds(Oil Lub.)3400 min-1
Load Center Spread : A46.6 mm
Constant E0.55
Axial Load Factors : Y11.10
Axial Load Factors : Y00.60
Da(Min.)125 mm
Db(Max.)90 mm
Da(Max.)148 mm
Db(Min.)154 mm
Sa(Min.)6 mm
Sb(Min.)15 mm
Ra(Max.)2.5 mm
Rb(Max.)2 mm
Mass(Refer.)5.50 kg

Technical documents & data sheet

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Record identity
KOYO 32315CR
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