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

KOYO 6321 2RS

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

Technical data available
Bore diameterd
105 mm
Outside diameterD
225 mm
WidthB
49 mm
Dynamic load ratingC
230 kN
Static load ratingC0
153 kN
Limiting speednG
2000 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 diameterd105 mm
Outside diameterD225 mm
WidthB49 mm
Basic dynamic load ratingC230 kN
Basic static load ratingC0153 kN
Fatigue load limitPu11.7 kN
Limiting speednG2000 r/min
Mass≈m8.05 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
d105 mm
D225 mm
B49 mm
R(Min.)3 mm
Basic Load Ratings : Cr230 kN
Basic Load Ratings : C0R153 kN
Fatigue Load Limit : Cu11.7 kN
Factor : F013.2
Limiting Speeds(Grease Lub.)2000 min-1
Da(Min.)118 mm
Da(Max.)136 mm
Da(Max.)212 mm
Ra(Max.)2.5 mm
Mass(Refer.)8.05 kg

Technical documents & data sheet

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Record identity
KOYO 6321 2RS
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