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KOYO / Double-row / shielded zz

KOYO 5208 ZZ

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

Technical data available
Bore diameterd
40 mm
Outside diameterD
80 mm
WidthB
30.2 mm
Dynamic load ratingC
45.7 kN
Static load ratingC0
29.1 kN
Limiting speednG
5000 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 / constructionDouble-row / Shielded ZZ
Bore diameterd40 mm
Outside diameterD80 mm
WidthB30.2 mm
Basic dynamic load ratingC45.7 kN
Basic static load ratingC029.1 kN
Fatigue load limitPu1.5 kN
Limiting speednG5000 r/min
Mass≈m0.57 kg
SealingShielded ZZ
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key020-030-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathAngular contact ball bearings - Double-row - Shielded ZZ
Official Classification 1Angular contact ball bearings / Double-row / Shielded ZZ
Technical Data15 parameters
Technical Data
ParameterSymbolValue
d40 mm
D80 mm
B30.2 mm
R(Min.)1.1 mm
Basic Load Ratings : Cr45.7 kN
Basic Load Ratings : C0R29.1 kN
Fatigue Load Limit : Cu1.50 kN
Limiting Speeds(Grease Lub.)5000 min-1
Limiting Speeds(Oil Lub.)6700 min-1
Load Center Spread : A39.2 mm
Da(Min.)47 mm
Da(Max.)49.5 mm
Da(Max.)73 mm
Ra(Max.)1 mm
Mass(Refer.)0.570 kg

Technical documents & data sheet

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Record identity
KOYO 5208 ZZ
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