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KOYO / Single-row / open type

KOYO 6868

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

Technical data available
Bore diameterd
340 mm
Outside diameterD
420 mm
WidthB
38 mm
Dynamic load ratingC
231 kN
Static load ratingC0
249 kN
Limiting speednG
1200 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 diameterd340 mm
Outside diameterD420 mm
WidthB38 mm
Basic dynamic load ratingC231 kN
Basic static load ratingC0249 kN
Fatigue load limitPu6.6 kN
Limiting speednG1200 r/min
Mass≈m11.5 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
d340 mm
D420 mm
B38 mm
R(Min.)2.1 mm
Basic Load Ratings : Cr231 kN
Basic Load Ratings : C0R249 kN
Fatigue Load Limit : Cu6.60 kN
Factor : F016.1
Limiting Speeds(Grease Lub.)1200 min-1
Limiting Speeds(Oil Lub.)1400 min-1
Da(Min.)351 mm
Da(Max.)409 mm
Ra(Max.)2 mm
Mass(Refer.)11.5 kg

Technical documents & data sheet

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Record identity
KOYO 6868
Document matching
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