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KOYO / Single-row / nu

KOYO N324

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

Technical data available
Bore diameterd
120 mm
Outside diameterD
260 mm
WidthB
55 mm
Dynamic load ratingC
596 kN
Static load ratingC0
551 kN
Limiting speednG
2200 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 specifications8 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSingle-row / NU
Bore diameterd120 mm
Outside diameterD260 mm
WidthB55 mm
Basic dynamic load ratingC596 kN
Basic static load ratingC0551 kN
Fatigue load limitPu72.7 kN
Limiting speednG2200 r/min
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key040-010-000
Classification3 parameters
Classification
ParameterSymbolValue
Official Category PathCylindrical roller bearings - Single-row - NU
Official Classification 1Cylindrical roller bearings / Single-row / NU
Official Classification 2Cylindrical roller bearings / Single-row / N
Technical Data22 parameters
Technical Data
ParameterSymbolValue
d120 mm
D260 mm
B55 mm
R(Min.)3 mm
R1(Min.)3 mm
Ew- mm
Basic Load Ratings : Cr596 kN
Basic Load Ratings : C0R551 kN
Fatigue Load Limit : Cu72.7 kN
Limiting Speeds(Grease Lub.)2200 min-1
Limiting Speeds(Oil Lub.)3000 min-1
Sd1- mm
B1- mm
B2- mm
Da(Min.)- mm
Dc(Min.)- mm
Dd(Min.)- mm
Da(Max.)247 mm
Db(Max.)- mm
Db(Min.)- mm
Ra(Max.)2.5 mm
Rb(Max.)2.5 mm

Technical documents & data sheet

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Record identity
KOYO N324
Document matching
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