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KOYO / Single-row / nj

KOYO NJ315R

Cylindrical 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
300 kN
Static load ratingC0
263 kN
Limiting speednG
3700 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 / NJ
Bore diameterd75 mm
Outside diameterD160 mm
WidthB37 mm
Basic dynamic load ratingC300 kN
Basic static load ratingC0263 kN
Fatigue load limitPu39.9 kN
Limiting speednG3700 r/min
Mass≈m3.46 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key040-010-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathCylindrical roller bearings - Single-row - NJ
Official Classification 1Cylindrical roller bearings / Single-row / NJ
Technical Data26 parameters
Technical Data
ParameterSymbolValue
d75 mm
D160 mm
B37 mm
R(Min.)2.1 mm
R1(Min.)2.1 mm
Fw95 mm
Ew- mm
Basic Load Ratings : Cr300 kN
Basic Load Ratings : C0R263 kN
Fatigue Load Limit : Cu39.9 kN
Limiting Speeds(Grease Lub.)3700 min-1
Limiting Speeds(Oil Lub.)5000 min-1
Sd1- mm
B1- mm
B2- mm
Da(Min.)- mm
Db(Min.)86 mm
Db(Max.)93 mm
Dc(Min.)- mm
Dd(Min.)- mm
Da(Max.)149 mm
Db(Max.)- mm
Db(Min.)- mm
Ra(Max.)2 mm
Rb(Max.)2 mm
Mass(Refer.)3.46 kg

Technical documents & data sheet

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Record identity
KOYO NJ315R
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