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KOYO / Double-row

KOYO 4309

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

Technical data available
Bore diameterd
45 mm
Outside diameterD
100 mm
WidthB
36 mm
Dynamic load ratingC
72 kN
Static load ratingC0
62.4 kN
Limiting speednG
4100 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 diameterd45 mm
Outside diameterD100 mm
WidthB36 mm
Basic dynamic load ratingC72 kN
Basic static load ratingC062.4 kN
Fatigue load limitPu4.2 kN
Limiting speednG4100 r/min
Mass≈m1.35 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
d45 mm
D100 mm
B36 mm
R(Min.)1.5 mm
Basic Load Ratings : Cr72.0 kN
Basic Load Ratings : C0R62.4 kN
Fatigue Load Limit : Cu4.20 kN
Factor : F014.3
Limiting Speeds(Grease Lub.)4100 min-1
Limiting Speeds(Oil Lub.)5500 min-1
Da(Max.)92 mm
Ra(Max.)1.5 mm
Mass(Refer.)1.35 kg

Technical documents & data sheet

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Record identity
KOYO 4309
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