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KOYO / Double-row

KOYO 4310

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

Technical data available
Bore diameterd
50 mm
Outside diameterD
110 mm
WidthB
40 mm
Dynamic load ratingC
88 kN
Static load ratingC0
77.7 kN
Limiting speednG
3700 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 diameterd50 mm
Outside diameterD110 mm
WidthB40 mm
Basic dynamic load ratingC88 kN
Basic static load ratingC077.7 kN
Fatigue load limitPu5.25 kN
Limiting speednG3700 r/min
Mass≈m1.8 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
d50 mm
D110 mm
B40 mm
R(Min.)2 mm
Basic Load Ratings : Cr88.0 kN
Basic Load Ratings : C0R77.7 kN
Fatigue Load Limit : Cu5.25 kN
Factor : F014.2
Limiting Speeds(Grease Lub.)3700 min-1
Limiting Speeds(Oil Lub.)5000 min-1
Da(Max.)101 mm
Ra(Max.)2 mm
Mass(Refer.)1.80 kg

Technical documents & data sheet

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Record identity
KOYO 4310
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