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KOYO / Single-row / open type

KOYO 6248

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

Technical data available
Bore diameterd
240 mm
Outside diameterD
440 mm
WidthB
72 mm
Dynamic load ratingC
424 kN
Static load ratingC0
431 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 diameterd240 mm
Outside diameterD440 mm
WidthB72 mm
Basic dynamic load ratingC424 kN
Basic static load ratingC0431 kN
Fatigue load limitPu18.2 kN
Limiting speednG1200 r/min
Mass≈m51 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
d240 mm
D440 mm
B72 mm
R(Min.)4 mm
Basic Load Ratings : Cr424 kN
Basic Load Ratings : C0R431 kN
Fatigue Load Limit : Cu18.2 kN
Factor : F015.2
Limiting Speeds(Grease Lub.)1200 min-1
Limiting Speeds(Oil Lub.)1500 min-1
Da(Min.)256 mm
Da(Max.)424 mm
Ra(Max.)3 mm
Mass(Refer.)51.0 kg

Technical documents & data sheet

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Record identity
KOYO 6248
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