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KOYO / Single-row / nj

KOYO NJ2220R

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

Technical data available
Bore diameterd
100 mm
Outside diameterD
180 mm
WidthB
46 mm
Dynamic load ratingC
417 kN
Static load ratingC0
444 kN
Limiting speednG
3100 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 diameterd100 mm
Outside diameterD180 mm
WidthB46 mm
Basic dynamic load ratingC417 kN
Basic static load ratingC0444 kN
Fatigue load limitPu60.7 kN
Limiting speednG3100 r/min
Mass≈m4.91 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
d100 mm
D180 mm
B46 mm
R(Min.)2.1 mm
R1(Min.)2.1 mm
Fw119 mm
Ew- mm
Basic Load Ratings : Cr417 kN
Basic Load Ratings : C0R444 kN
Fatigue Load Limit : Cu60.7 kN
Limiting Speeds(Grease Lub.)3100 min-1
Limiting Speeds(Oil Lub.)4200 min-1
Sd1- mm
B1- mm
B2- mm
Da(Min.)- mm
Db(Min.)111 mm
Db(Max.)117 mm
Dc(Min.)- mm
Dd(Min.)- mm
Da(Max.)169 mm
Db(Max.)- mm
Db(Min.)- mm
Ra(Max.)2 mm
Rb(Max.)2 mm
Mass(Refer.)4.91 kg

Technical documents & data sheet

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Record identity
KOYO NJ2220R
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