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KOYO / Single direction / with flat back faces

KOYO 53205U

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

Technical data available
Bore diameterd
25 mm
Outside diameterD
47 mm
WidthB
19 mm
Limiting speednG
3600 r/min
Mass≈m
0.152 kg
d
25 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 diameterd25 mm
Outside diameterD47 mm
WidthB19 mm
Fatigue load limitPu2.3 kN
Limiting speednG3600 r/min
Mass≈m0.152 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
d25 mm
D47 mm
T19 mm
R(Min.)0.6 mm
Basic Load Ratings Ca34.6 kN
Basic Load Ratings C0A50.4 kN
Fatigue Load Limit : Cu2.3 kN
Limiting Speeds(Grease Lub.)3600 min-1
Limiting Speeds(Oil Lub.)5500 min-1
D1(Max.)47 mm
D1(Min.)27 mm
D236 mm
D350 mm
A- mm
R- mm
C5.5 mm
Da(Min.)38 mm
Da(Max.)34 mm
Ra(Max.)0.6 mm
Mass(Refer.)0.152 kg

Technical documents & data sheet

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Record identity
KOYO 53205U
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