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KOYO / Single-row / open type

KOYO 6056

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

Technical data available
Bore diameterd
280 mm
Outside diameterD
420 mm
WidthB
65 mm
Dynamic load ratingC
377 kN
Static load ratingC0
408 kN
Limiting speednG
1300 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 diameterD420 mm
WidthB65 mm
Basic dynamic load ratingC377 kN
Basic static load ratingC0408 kN
Fatigue load limitPu15.5 kN
Limiting speednG1300 r/min
Mass≈m31 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
D420 mm
B65 mm
R(Min.)4 mm
Basic Load Ratings : Cr377 kN
Basic Load Ratings : C0R408 kN
Fatigue Load Limit : Cu15.5 kN
Factor : F016.0
Limiting Speeds(Grease Lub.)1300 min-1
Limiting Speeds(Oil Lub.)1500 min-1
Da(Min.)296 mm
Da(Max.)404 mm
Ra(Max.)3 mm
Mass(Refer.)31.0 kg

Technical documents & data sheet

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Record identity
KOYO 6056
Document matching
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