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KOYO / Single-row / open type

KOYO 6238

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

Technical data available
Bore diameterd
190 mm
Outside diameterD
340 mm
WidthB
55 mm
Dynamic load ratingC
319 kN
Static load ratingC0
281 kN
Limiting speednG
1700 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 diameterd190 mm
Outside diameterD340 mm
WidthB55 mm
Basic dynamic load ratingC319 kN
Basic static load ratingC0281 kN
Fatigue load limitPu13.7 kN
Limiting speednG1700 r/min
Mass≈m23 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
d190 mm
D340 mm
B55 mm
R(Min.)4 mm
Basic Load Ratings : Cr319 kN
Basic Load Ratings : C0R281 kN
Fatigue Load Limit : Cu13.7 kN
Factor : F015.0
Limiting Speeds(Grease Lub.)1700 min-1
Limiting Speeds(Oil Lub.)2000 min-1
Da(Min.)206 mm
Da(Max.)324 mm
Ra(Max.)3 mm
Mass(Refer.)23.0 kg

Technical documents & data sheet

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Record identity
KOYO 6238
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