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KOYO / Single-row / nj

KOYO NJ2310R

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

Technical data available
Bore diameterd
50 mm
Outside diameterD
110 mm
WidthB
40 mm
Dynamic load ratingC
203 kN
Static load ratingC0
187 kN
Limiting speednG
4900 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 diameterd50 mm
Outside diameterD110 mm
WidthB40 mm
Basic dynamic load ratingC203 kN
Basic static load ratingC0187 kN
Fatigue load limitPu28.6 kN
Limiting speednG4900 r/min
Mass≈m1.81 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
d50 mm
D110 mm
B40 mm
R(Min.)2 mm
R1(Min.)2 mm
Fw65 mm
Ew- mm
Basic Load Ratings : Cr203 kN
Basic Load Ratings : C0R187 kN
Fatigue Load Limit : Cu28.6 kN
Limiting Speeds(Grease Lub.)4900 min-1
Limiting Speeds(Oil Lub.)7400 min-1
Sd1- mm
B1- mm
B2- mm
Da(Min.)- mm
Db(Min.)59 mm
Db(Max.)63 mm
Dc(Min.)- mm
Dd(Min.)- mm
Da(Max.)101 mm
Db(Max.)- mm
Db(Min.)- mm
Ra(Max.)2 mm
Rb(Max.)2 mm
Mass(Refer.)1.81 kg

Technical documents & data sheet

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Record identity
KOYO NJ2310R
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