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KOYO / Single direction / with flat back faces

KOYO 53209U

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

Technical data available
Bore diameterd
45 mm
Outside diameterD
73 mm
WidthB
24 mm
Limiting speednG
2600 r/min
Mass≈m
0.397 kg
d
45 mm

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 specifications7 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSingle direction / With flat back faces
Bore diameterd45 mm
Outside diameterD73 mm
WidthB24 mm
Fatigue load limitPu4.75 kN
Limiting speednG2600 r/min
Mass≈m0.397 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key070-010-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathThrust ball bearings - Single direction - With flat back faces
Official Classification 1Thrust ball bearings / Single direction / With flat back faces
Technical Data20 parameters
Technical Data
ParameterSymbolValue
d45 mm
D73 mm
T24 mm
R(Min.)1 mm
Basic Load Ratings Ca59.7 kN
Basic Load Ratings C0A105 kN
Fatigue Load Limit : Cu4.75 kN
Limiting Speeds(Grease Lub.)2600 min-1
Limiting Speeds(Oil Lub.)4000 min-1
D1(Max.)73 mm
D1(Min.)47 mm
D260 mm
D378 mm
A- mm
R- mm
C7.5 mm
Da(Min.)62 mm
Da(Max.)56 mm
Ra(Max.)1 mm
Mass(Refer.)0.397 kg

Technical documents & data sheet

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Record identity
KOYO 53209U
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