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KOYO / Single-row / shielded/sealed type / contact sealed

KOYO 6308 2RS

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

Technical data available
Bore diameterd
40 mm
Outside diameterD
90 mm
WidthB
23 mm
Dynamic load ratingC
50.9 kN
Static load ratingC0
24 kN
Limiting speednG
5100 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 specifications10 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSingle-row / Shielded/sealed type / Contact sealed
Bore diameterd40 mm
Outside diameterD90 mm
WidthB23 mm
Basic dynamic load ratingC50.9 kN
Basic static load ratingC024 kN
Fatigue load limitPu1.85 kN
Limiting speednG5100 r/min
Mass≈m0.633 kg
SealingContact sealed
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key010-010-020
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathDeep groove ball bearings - Single-row - Shielded/sealed type - Contact sealed
Official Classification 1Deep groove ball bearings / Single-row / Shielded/sealed type / Contact sealed
Technical Data14 parameters
Technical Data
ParameterSymbolValue
d40 mm
D90 mm
B23 mm
R(Min.)1.5 mm
Basic Load Ratings : Cr50.9 kN
Basic Load Ratings : C0R24.0 kN
Fatigue Load Limit : Cu1.85 kN
Factor : F013.2
Limiting Speeds(Grease Lub.)5100 min-1
Da(Min.)48 mm
Da(Max.)51.5 mm
Da(Max.)82 mm
Ra(Max.)1.5 mm
Mass(Refer.)0.633 kg

Technical documents & data sheet

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Record identity
KOYO 6308 2RS
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