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

KOYO 7040BDF FY

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

Technical data available
Bore diameterd
200 mm
Outside diameterD
310 mm
WidthB
102 mm
Dynamic load ratingC
443 kN
Static load ratingC0
558 kN
Limiting speednG
1300 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 / Face-to-face / With machined cage
Bore diameterd200 mm
Outside diameterD310 mm
WidthB102 mm
Basic dynamic load ratingC443 kN
Basic static load ratingC0558 kN
Fatigue load limitPu18.1 kN
Limiting speednG1300 r/min
Mass≈m25.4 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key020-020-020
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathAngular contact ball bearings - Matched pair - Face-to-face - With machined cage
Official Classification 1Angular contact ball bearings / Matched pair / Face-to-face / With machined cage
Technical Data16 parameters
Technical Data
ParameterSymbolValue
d200 mm
D310 mm
B102 mm
R(Min.)2.1 mm
R1(Min.)- mm
Basic Load Ratings : Cr443 kN
Basic Load Ratings : C0R558 kN
Fatigue Load Limit : Cu18.1 kN
Limiting Speeds(Grease Lub.)1300 min-1
Limiting Speeds(Oil Lub.)1700 min-1
Load Center Spread : A163.0 mm
Db(Min.)212 mm
Da(Max.)298 mm
Ra(Max.)2 mm
Rb(Max.)1 mm
Mass(Refer.)25.4 kg

Technical documents & data sheet

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Record identity
KOYO 7040BDF FY
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