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KOYO / Matched pair / back-to-back / with machined cage

KOYO 7048DB FY

Angular contact ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
240 mm
Outside diameterD
360 mm
WidthB
112 mm
Dynamic load ratingC
591 kN
Static load ratingC0
751 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 / constructionMatched pair / Back-to-back / With machined cage
Bore diameterd240 mm
Outside diameterD360 mm
WidthB112 mm
Basic dynamic load ratingC591 kN
Basic static load ratingC0751 kN
Fatigue load limitPu24.6 kN
Limiting speednG1400 r/min
Mass≈m39.4 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key020-020-010
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathAngular contact ball bearings - Matched pair - Back-to-back - With machined cage
Official Classification 1Angular contact ball bearings / Matched pair / Back-to-back / With machined cage
Technical Data16 parameters
Technical Data
ParameterSymbolValue
d240 mm
D360 mm
B112 mm
R(Min.)3 mm
R1(Min.)1.1 mm
Basic Load Ratings : Cr591 kN
Basic Load Ratings : C0R751 kN
Fatigue Load Limit : Cu24.6 kN
Limiting Speeds(Grease Lub.)1400 min-1
Limiting Speeds(Oil Lub.)1700 min-1
Load Center Spread : A229.2 mm
Da(Min.)254 mm
Db(Max.)353 mm
Ra(Max.)2.5 mm
Rb(Max.)1 mm
Mass(Refer.)39.4 kg

Technical documents & data sheet

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Record identity
KOYO 7048DB FY
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