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KOYO / Single-row

KOYO 6309NR

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
25 mm
Dynamic load ratingC
61.1 kN
Static load ratingC0
29.5 kN
Limiting speednG
6800 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
Bore diameterd45 mm
Outside diameterD100 mm
WidthB25 mm
Basic dynamic load ratingC61.1 kN
Basic static load ratingC029.5 kN
Fatigue load limitPu2.25 kN
Limiting speednG6800 r/min
Mass≈m0.833 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key010-010-030
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathDeep groove ball bearings - Single-row
Official Classification 1Deep groove ball bearings / Single-row
Technical Data20 parameters
Technical Data
ParameterSymbolValue
d45 mm
D100 mm
B25 mm
R(Min.)1.5 mm
R1(Min.)0.5 mm
Basic Load Ratings : Cr61.1 kN
Basic Load Ratings : C0R29.5 kN
Fatigue Load Limit : Cu2.25 kN
Factor : F013.3
Limiting Speeds(Grease Lub.)6800 min-1
Limiting Speeds(Oil Lub.)8100 min-1
Dimensions Of Locating Snap Ring : D2(Min.)106.5 mm
Dimensions Of Locating Snap Ring : F(±0.05)2.41 mm
Da(Min.)53 mm
Da(Max.)92 mm
Dx(Min.)108 mm
Cy(Max.)5.43 mm
Ra(Max.)1.5 mm
Rb(Max.)0.5 mm
Mass(Refer.)0.833 kg

Technical documents & data sheet

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Record identity
KOYO 6309NR
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