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

KOYO 6221 ZZX

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

Technical data available
Bore diameterd
105 mm
Outside diameterD
190 mm
WidthB
36 mm
Dynamic load ratingC
166 kN
Static load ratingC0
105 kN
Limiting speednG
3300 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 / Shielded ZZ
Bore diameterd105 mm
Outside diameterD190 mm
WidthB36 mm
Basic dynamic load ratingC166 kN
Basic static load ratingC0105 kN
Fatigue load limitPu5.7 kN
Limiting speednG3300 r/min
Mass≈m3.7 kg
SealingShielded ZZ
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 - Shielded ZZ
Official Classification 1Deep groove ball bearings / Single-row / Shielded/sealed type / Shielded ZZ
Technical Data14 parameters
Technical Data
ParameterSymbolValue
d105 mm
D190 mm
B36 mm
R(Min.)2.1 mm
Basic Load Ratings : Cr166 kN
Basic Load Ratings : C0R105 kN
Fatigue Load Limit : Cu5.70 kN
Factor : F014.4
Limiting Speeds(Grease Lub.)3300 min-1
Da(Min.)116 mm
Da(Max.)127 mm
Da(Max.)179 mm
Ra(Max.)2 mm
Mass(Refer.)3.70 kg

Technical documents & data sheet

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Record identity
KOYO 6221 ZZX
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