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KOYO / Double-row

KOYO 4303

Deep groove ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
17 mm
Outside diameterD
47 mm
WidthB
19 mm
Dynamic load ratingC
20.6 kN
Static load ratingC0
15 kN
Limiting speednG
9400 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 / constructionDouble-row
Bore diameterd17 mm
Outside diameterD47 mm
WidthB19 mm
Basic dynamic load ratingC20.6 kN
Basic static load ratingC015 kN
Fatigue load limitPu1.05 kN
Limiting speednG9400 r/min
Mass≈m0.171 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key010-040-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathDeep groove ball bearings - Double-row
Official Classification 1Deep groove ball bearings / Double-row
Technical Data13 parameters
Technical Data
ParameterSymbolValue
d17 mm
D47 mm
B19 mm
R(Min.)1 mm
Basic Load Ratings : Cr20.6 kN
Basic Load Ratings : C0R15.0 kN
Fatigue Load Limit : Cu1.05 kN
Factor : F013.7
Limiting Speeds(Grease Lub.)9400 min-1
Limiting Speeds(Oil Lub.)13000 min-1
Da(Max.)42 mm
Ra(Max.)1 mm
Mass(Refer.)0.171 kg

Technical documents & data sheet

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Record identity
KOYO 4303
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