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KOYO / Single-row / open type

KOYO 6944

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

Technical data available
Bore diameterd
220 mm
Outside diameterD
300 mm
WidthB
38 mm
Dynamic load ratingC
201 kN
Static load ratingC0
180 kN
Limiting speednG
1900 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 / Open type
Bore diameterd220 mm
Outside diameterD300 mm
WidthB38 mm
Basic dynamic load ratingC201 kN
Basic static load ratingC0180 kN
Fatigue load limitPu5.85 kN
Limiting speednG1900 r/min
Mass≈m7.9 kg
SealingOpen
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key010-010-010
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathDeep groove ball bearings - Single-row - Open type
Official Classification 1Deep groove ball bearings / Single-row / Open type
Technical Data14 parameters
Technical Data
ParameterSymbolValue
d220 mm
D300 mm
B38 mm
R(Min.)2.1 mm
Basic Load Ratings : Cr201 kN
Basic Load Ratings : C0R180 kN
Fatigue Load Limit : Cu5.85 kN
Factor : F016.4
Limiting Speeds(Grease Lub.)1900 min-1
Limiting Speeds(Oil Lub.)2200 min-1
Da(Min.)231 mm
Da(Max.)289 mm
Ra(Max.)2 mm
Mass(Refer.)7.90 kg

Technical documents & data sheet

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Record identity
KOYO 6944
Document matching
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