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KOYO / Single-row / with pressed cage

KOYO 7309B

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

Technical data available
Bore diameterd
45 mm
Outside diameterD
100 mm
WidthB
25 mm
Dynamic load ratingC
67 kN
Static load ratingC0
37.2 kN
Limiting speednG
4900 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 / constructionSingle-row / With pressed cage
Bore diameterd45 mm
Outside diameterD100 mm
WidthB25 mm
Basic dynamic load ratingC67 kN
Basic static load ratingC037.2 kN
Fatigue load limitPu2.4 kN
Limiting speednG4900 r/min
Mass≈m0.875 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key020-010-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathAngular contact ball bearings - Single-row - With pressed cage
Official Classification 1Angular contact ball bearings / Single-row / With pressed cage
Technical Data15 parameters
Technical Data
ParameterSymbolValue
d45 mm
D100 mm
B25 mm
R(Min.)1.5 mm
R1(Min.)1 mm
Basic Load Ratings : Cr67.0 kN
Basic Load Ratings : C0R37.2 kN
Fatigue Load Limit : Cu2.40 kN
Limiting Speeds(Grease Lub.)4900 min-1
Limiting Speeds(Oil Lub.)6500 min-1
Load Center Spread : A43.1 mm
Da(Min.)53.5 mm
Da(Max.)91.5 mm
Ra(Max.)1.5 mm
Mass(Refer.)0.875 kg

Technical documents & data sheet

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Record identity
KOYO 7309B
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