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KOYO / Single-row / nj

KOYO NJ2309

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

Technical data available
Bore diameterd
45 mm
Outside diameterD
100 mm
WidthB
36 mm
Dynamic load ratingC
124 kN
Static load ratingC0
113 kN
Limiting speednG
5500 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 diameterd45 mm
Outside diameterD100 mm
WidthB36 mm
Basic dynamic load ratingC124 kN
Basic static load ratingC0113 kN
Fatigue load limitPu14.3 kN
Limiting speednG5500 r/min
Mass≈m1.29 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
d45 mm
D100 mm
B36 mm
R(Min.)1.5 mm
R1(Min.)1.5 mm
Fw58.5 mm
Ew- mm
Basic Load Ratings : Cr124 kN
Basic Load Ratings : C0R113 kN
Fatigue Load Limit : Cu14.3 kN
Limiting Speeds(Grease Lub.)5500 min-1
Limiting Speeds(Oil Lub.)8300 min-1
Sd1- mm
B1- mm
B2- mm
Da(Min.)- mm
Db(Min.)53 mm
Db(Max.)57 mm
Dc(Min.)- mm
Dd(Min.)- mm
Da(Max.)92 mm
Db(Max.)- mm
Db(Min.)- mm
Ra(Max.)1.5 mm
Rb(Max.)1.5 mm
Mass(Refer.)1.29 kg

Technical documents & data sheet

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Record identity
KOYO NJ2309
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