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KOYO / Single-row / nu

KOYO NU1052

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

Technical data available
Bore diameterd
260 mm
Outside diameterD
400 mm
WidthB
65 mm
Dynamic load ratingC
819 kN
Static load ratingC0
979 kN
Limiting speednG
1400 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 diameterd260 mm
Outside diameterD400 mm
WidthB65 mm
Basic dynamic load ratingC819 kN
Basic static load ratingC0979 kN
Fatigue load limitPu110 kN
Limiting speednG1400 r/min
Mass≈m29.2 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
d260 mm
D400 mm
B65 mm
R(Min.)4 mm
R1(Min.)4 mm
Fw296 mm
Ew- mm
Basic Load Ratings : Cr819 kN
Basic Load Ratings : C0R979 kN
Fatigue Load Limit : Cu110 kN
Limiting Speeds(Grease Lub.)1400 min-1
Limiting Speeds(Oil Lub.)1700 min-1
Sd1- mm
B1- mm
B2- mm
Da(Min.)- mm
Db(Min.)276 mm
Db(Max.)292 mm
Dc(Min.)- mm
Dd(Min.)- mm
Da(Max.)384 mm
Db(Max.)- mm
Db(Min.)- mm
Ra(Max.)3 mm
Rb(Max.)3 mm
Mass(Refer.)29.2 kg

Technical documents & data sheet

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Record identity
KOYO NU1052
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