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KOYO / Single direction / with flat back faces

KOYO 53208U

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

Technical data available
Bore diameterd
40 mm
Outside diameterD
68 mm
WidthB
23 mm
Limiting speednG
2700 r/min
Mass≈m
0.34 kg
d
40 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 diameterd40 mm
Outside diameterD68 mm
WidthB23 mm
Fatigue load limitPu4.45 kN
Limiting speednG2700 r/min
Mass≈m0.34 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
d40 mm
D68 mm
T23 mm
R(Min.)1 mm
Basic Load Ratings Ca58.7 kN
Basic Load Ratings C0A98.3 kN
Fatigue Load Limit : Cu4.45 kN
Limiting Speeds(Grease Lub.)2700 min-1
Limiting Speeds(Oil Lub.)4200 min-1
D1(Max.)68 mm
D1(Min.)42 mm
D255 mm
D372 mm
A- mm
R- mm
C7 mm
Da(Min.)57 mm
Da(Max.)51 mm
Ra(Max.)1 mm
Mass(Refer.)0.34 kg

Technical documents & data sheet

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Record identity
KOYO 53208U
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