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KOYO / Single-row / nj

KOYO NJ2317

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

Technical data available
Bore diameterd
85 mm
Outside diameterD
180 mm
WidthB
60 mm
Dynamic load ratingC
394 kN
Static load ratingC0
382 kN
Limiting speednG
3000 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 diameterd85 mm
Outside diameterD180 mm
WidthB60 mm
Basic dynamic load ratingC394 kN
Basic static load ratingC0382 kN
Fatigue load limitPu54.2 kN
Limiting speednG3000 r/min
Mass≈m6.82 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
d85 mm
D180 mm
B60 mm
R(Min.)3 mm
R1(Min.)3 mm
Fw108 mm
Ew- mm
Basic Load Ratings : Cr394 kN
Basic Load Ratings : C0R382 kN
Fatigue Load Limit : Cu54.2 kN
Limiting Speeds(Grease Lub.)3000 min-1
Limiting Speeds(Oil Lub.)4500 min-1
Sd1- mm
B1- mm
B2- mm
Da(Min.)- mm
Db(Min.)98 mm
Db(Max.)106 mm
Dc(Min.)- mm
Dd(Min.)- mm
Da(Max.)167 mm
Db(Max.)- mm
Db(Min.)- mm
Ra(Max.)2.5 mm
Rb(Max.)2.5 mm
Mass(Refer.)6.82 kg

Technical documents & data sheet

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Record identity
KOYO NJ2317
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