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KOYO / Single-row / with machined cage

KOYO 7044B FY

Angular contact ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
220 mm
Outside diameterD
340 mm
WidthB
56 mm
Dynamic load ratingC
299 kN
Static load ratingC0
318 kN
Limiting speednG
1400 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 specifications9 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSingle-row / With machined cage
Bore diameterd220 mm
Outside diameterD340 mm
WidthB56 mm
Basic dynamic load ratingC299 kN
Basic static load ratingC0318 kN
Fatigue load limitPu9.8 kN
Limiting speednG1400 r/min
Mass≈m18.9 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key020-010-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathAngular contact ball bearings - Single-row - With machined cage
Official Classification 1Angular contact ball bearings / Single-row / With machined cage
Technical Data15 parameters
Technical Data
ParameterSymbolValue
d220 mm
D340 mm
B56 mm
R(Min.)3 mm
R1(Min.)1.1 mm
Basic Load Ratings : Cr299 kN
Basic Load Ratings : C0R318 kN
Fatigue Load Limit : Cu9.80 kN
Limiting Speeds(Grease Lub.)1400 min-1
Limiting Speeds(Oil Lub.)1900 min-1
Load Center Spread : A145.5 mm
Da(Min.)234 mm
Da(Max.)326 mm
Ra(Max.)2.5 mm
Mass(Refer.)18.9 kg

Technical documents & data sheet

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Record identity
KOYO 7044B FY
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