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KOYO / Single-row / open type

KOYO 6256

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

Technical data available
Bore diameterd
280 mm
Outside diameterD
500 mm
WidthB
80 mm
Dynamic load ratingC
529 kN
Static load ratingC0
599 kN
Limiting speednG
1000 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 diameterd280 mm
Outside diameterD500 mm
WidthB80 mm
Basic dynamic load ratingC529 kN
Basic static load ratingC0599 kN
Fatigue load limitPu23.2 kN
Limiting speednG1000 r/min
Mass≈m71.8 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
d280 mm
D500 mm
B80 mm
R(Min.)5 mm
Basic Load Ratings : Cr529 kN
Basic Load Ratings : C0R599 kN
Fatigue Load Limit : Cu23.2 kN
Factor : F015.3
Limiting Speeds(Grease Lub.)1000 min-1
Limiting Speeds(Oil Lub.)1200 min-1
Da(Min.)300 mm
Da(Max.)480 mm
Ra(Max.)4 mm
Mass(Refer.)71.8 kg

Technical documents & data sheet

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Record identity
KOYO 6256
Document matching
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