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KOYO / Single-row / metric series

KOYO 30315JR

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
37 mm
Dynamic load ratingC
325 kN
Static load ratingC0
311 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
WidthB37 mm
Basic dynamic load ratingC325 kN
Basic static load ratingC0311 kN
Fatigue load limitPu44.9 kN
Limiting speednG2500 r/min
Mass≈m3.65 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
T40 mm
B37 mm
C31 mm
R(Min.)3 mm
R1(Min.)2.5 mm
Basic Load Ratings : Cr325 kN
Basic Load Ratings : C0R311 kN
Fatigue Load Limit : Cu44.9 kN
Limiting Speeds(Grease Lub.)2500 min-1
Limiting Speeds(Oil Lub.)3300 min-1
Load Center Spread : A32.5 mm
Constant E0.35
Axial Load Factors : Y11.74
Axial Load Factors : Y00.96
Da(Min.)139 mm
Db(Max.)95 mm
Da(Max.)148 mm
Db(Min.)149 mm
Sa(Min.)4 mm
Sb(Min.)9 mm
Ra(Max.)2.5 mm
Rb(Max.)2 mm
Mass(Refer.)3.65 kg

Technical documents & data sheet

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Record identity
KOYO 30315JR
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