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KOYO / Single-row / nu

KOYO NU260

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

Technical data available
Bore diameterd
300 mm
Outside diameterD
540 mm
WidthB
85 mm
Dynamic load ratingC
1690 kN
Static load ratingC0
1960 kN
Limiting speednG
920 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 / NU
Bore diameterd300 mm
Outside diameterD540 mm
WidthB85 mm
Basic dynamic load ratingC1690 kN
Basic static load ratingC01960 kN
Fatigue load limitPu206 kN
Limiting speednG920 r/min
Mass≈m90.7 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key040-010-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathCylindrical roller bearings - Single-row - NU
Official Classification 1Cylindrical roller bearings / Single-row / NU
Technical Data26 parameters
Technical Data
ParameterSymbolValue
d300 mm
D540 mm
B85 mm
R(Min.)5 mm
R1(Min.)5 mm
Fw364 mm
Ew- mm
Basic Load Ratings : Cr1690 kN
Basic Load Ratings : C0R1960 kN
Fatigue Load Limit : Cu206 kN
Limiting Speeds(Grease Lub.)920 min-1
Limiting Speeds(Oil Lub.)1100 min-1
Sd1- mm
B1- mm
B2- mm
Da(Min.)- mm
Db(Min.)320 mm
Db(Max.)361 mm
Dc(Min.)- mm
Dd(Min.)- mm
Da(Max.)520 mm
Db(Max.)- mm
Db(Min.)- mm
Ra(Max.)4 mm
Rb(Max.)4 mm
Mass(Refer.)90.7 kg

Technical documents & data sheet

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Record identity
KOYO NU260
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