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

KOYO 6921-1 2RU

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

Technical data available
Bore diameterd
105 mm
Outside diameterD
145 mm
WidthB
20 mm
Dynamic load ratingC
53 kN
Static load ratingC0
42.1 kN
Limiting speednG
4300 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 / Non-contact sealed
Bore diameterd105 mm
Outside diameterD145 mm
WidthB20 mm
Basic dynamic load ratingC53 kN
Basic static load ratingC042.1 kN
Fatigue load limitPu1.95 kN
Limiting speednG4300 r/min
Mass≈m1 kg
SealingNon-contact 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 - Non-contact sealed
Official Classification 1Deep groove ball bearings / Single-row / Shielded/sealed type / Non-contact sealed
Technical Data14 parameters
Technical Data
ParameterSymbolValue
d105 mm
D145 mm
B20 mm
R(Min.)1.1 mm
Basic Load Ratings : Cr53.0 kN
Basic Load Ratings : C0R42.1 kN
Fatigue Load Limit : Cu1.95 kN
Factor : F016.4
Limiting Speeds(Grease Lub.)4300 min-1
Da(Min.)111.5 mm
Da(Max.)115 mm
Da(Max.)138.5 mm
Ra(Max.)1 mm
Mass(Refer.)1.00 kg

Technical documents & data sheet

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Record identity
KOYO 6921-1 2RU
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