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

KOYO 6203 2RS

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

Technical data available
Bore diameterd
17 mm
Outside diameterD
40 mm
WidthB
12 mm
Dynamic load ratingC
12 kN
Static load ratingC0
4.8 kN
Limiting speednG
12000 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 diameterd17 mm
Outside diameterD40 mm
WidthB12 mm
Basic dynamic load ratingC12 kN
Basic static load ratingC04.8 kN
Fatigue load limitPu0.37 kN
Limiting speednG12000 r/min
Mass≈m0.065 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
d17 mm
D40 mm
B12 mm
R(Min.)0.6 mm
Basic Load Ratings : Cr12.0 kN
Basic Load Ratings : C0R4.80 kN
Fatigue Load Limit : Cu0.370 kN
Factor : F013.2
Limiting Speeds(Grease Lub.)12000 min-1
Da(Min.)21 mm
Da(Max.)22 mm
Da(Max.)36 mm
Ra(Max.)0.6 mm
Mass(Refer.)0.065 kg

Technical documents & data sheet

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Record identity
KOYO 6203 2RS
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