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

KOYO 63/28 2RS

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

Technical data available
Bore diameterd
28 mm
Outside diameterD
68 mm
WidthB
18 mm
Dynamic load ratingC
29.4 kN
Static load ratingC0
13.1 kN
Limiting speednG
6900 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 diameterd28 mm
Outside diameterD68 mm
WidthB18 mm
Basic dynamic load ratingC29.4 kN
Basic static load ratingC013.1 kN
Fatigue load limitPu0.99 kN
Limiting speednG6900 r/min
Mass≈m0.328 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
d28 mm
D68 mm
B18 mm
R(Min.)1.1 mm
Basic Load Ratings : Cr29.4 kN
Basic Load Ratings : C0R13.1 kN
Fatigue Load Limit : Cu0.990 kN
Factor : F013.3
Limiting Speeds(Grease Lub.)6900 min-1
Da(Min.)34.5 mm
Da(Max.)37.5 mm
Da(Max.)61.5 mm
Ra(Max.)1 mm
Mass(Refer.)0.328 kg

Technical documents & data sheet

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Record identity
KOYO 63/28 2RS
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