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

KOYO 7303BDF

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

Technical data available
Bore diameterd
17 mm
Outside diameterD
47 mm
WidthB
28 mm
Dynamic load ratingC
30.1 kN
Static load ratingC0
16.2 kN
Limiting speednG
8800 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 pressed cage
Bore diameterd17 mm
Outside diameterD47 mm
WidthB28 mm
Basic dynamic load ratingC30.1 kN
Basic static load ratingC016.2 kN
Fatigue load limitPu1.15 kN
Limiting speednG8800 r/min
Mass≈m0.24 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 pressed cage
Official Classification 1Angular contact ball bearings / Matched pair / Face-to-face / With pressed cage
Technical Data16 parameters
Technical Data
ParameterSymbolValue
d17 mm
D47 mm
B28 mm
R(Min.)1 mm
R1(Min.)0.6 mm
Basic Load Ratings : Cr30.1 kN
Basic Load Ratings : C0R16.2 kN
Fatigue Load Limit : Cu1.15 kN
Limiting Speeds(Grease Lub.)8800 min-1
Limiting Speeds(Oil Lub.)12000 min-1
Load Center Spread : A13.7 mm
Db(Min.)21.5 mm
Da(Max.)41.5 mm
Ra(Max.)1 mm
Rb(Max.)0.6 mm
Mass(Refer.)0.240 kg

Technical documents & data sheet

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Record identity
KOYO 7303BDF
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