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KOYO / Single-row / open type

KOYO 6964

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

Technical data available
Bore diameterd
320 mm
Outside diameterD
440 mm
WidthB
56 mm
Dynamic load ratingC
356 kN
Static load ratingC0
404 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 diameterd320 mm
Outside diameterD440 mm
WidthB56 mm
Basic dynamic load ratingC356 kN
Basic static load ratingC0404 kN
Fatigue load limitPu14.1 kN
Limiting speednG1200 r/min
Mass≈m25.5 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
d320 mm
D440 mm
B56 mm
R(Min.)3 mm
Basic Load Ratings : Cr356 kN
Basic Load Ratings : C0R404 kN
Fatigue Load Limit : Cu14.1 kN
Factor : F016.4
Limiting Speeds(Grease Lub.)1200 min-1
Limiting Speeds(Oil Lub.)1400 min-1
Da(Min.)333 mm
Da(Max.)427 mm
Ra(Max.)2.5 mm
Mass(Refer.)25.5 kg

Technical documents & data sheet

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Record identity
KOYO 6964
Document matching
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