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

KOYO 7248DF FY

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

Technical data available
Bore diameterd
240 mm
Outside diameterD
440 mm
WidthB
144 mm
Dynamic load ratingC
819 kN
Static load ratingC0
1190 kN
Limiting speednG
1200 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 diameterd240 mm
Outside diameterD440 mm
WidthB144 mm
Basic dynamic load ratingC819 kN
Basic static load ratingC01190 kN
Fatigue load limitPu33.4 kN
Limiting speednG1200 r/min
Mass≈m104 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
d240 mm
D440 mm
B144 mm
R(Min.)4 mm
R1(Min.)- mm
Basic Load Ratings : Cr819 kN
Basic Load Ratings : C0R1190 kN
Fatigue Load Limit : Cu33.4 kN
Limiting Speeds(Grease Lub.)1200 min-1
Limiting Speeds(Oil Lub.)1500 min-1
Load Center Spread : A124.3 mm
Db(Min.)258 mm
Da(Max.)422 mm
Ra(Max.)3 mm
Rb(Max.)1.5 mm
Mass(Refer.)104 kg

Technical documents & data sheet

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Record identity
KOYO 7248DF FY
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