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KOYO / Single-row / with machined cage

KOYO 7052 FY

Angular contact ball 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
407 kN
Static load ratingC0
478 kN
Limiting speednG
1500 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 / With machined cage
Bore diameterd260 mm
Outside diameterD400 mm
WidthB65 mm
Basic dynamic load ratingC407 kN
Basic static load ratingC0478 kN
Fatigue load limitPu13.6 kN
Limiting speednG1500 r/min
Mass≈m28.7 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key020-010-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathAngular contact ball bearings - Single-row - With machined cage
Official Classification 1Angular contact ball bearings / Single-row / With machined cage
Technical Data15 parameters
Technical Data
ParameterSymbolValue
d260 mm
D400 mm
B65 mm
R(Min.)4 mm
R1(Min.)1.5 mm
Basic Load Ratings : Cr407 kN
Basic Load Ratings : C0R478 kN
Fatigue Load Limit : Cu13.6 kN
Limiting Speeds(Grease Lub.)1500 min-1
Limiting Speeds(Oil Lub.)1900 min-1
Load Center Spread : A128.4 mm
Da(Min.)278 mm
Da(Max.)382 mm
Ra(Max.)3 mm
Mass(Refer.)28.7 kg

Technical documents & data sheet

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Record identity
KOYO 7052 FY
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