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KOYO / Matched pair / back-to-back / with machined cage

KOYO 7218DB FY

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

Technical data available
Bore diameterd
90 mm
Outside diameterD
160 mm
WidthB
60 mm
Dynamic load ratingC
229 kN
Static load ratingC0
193 kN
Limiting speednG
3800 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 / constructionMatched pair / Back-to-back / With machined cage
Bore diameterd90 mm
Outside diameterD160 mm
WidthB60 mm
Basic dynamic load ratingC229 kN
Basic static load ratingC0193 kN
Fatigue load limitPu10.6 kN
Limiting speednG3800 r/min
Mass≈m4.6 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key020-020-010
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathAngular contact ball bearings - Matched pair - Back-to-back - With machined cage
Official Classification 1Angular contact ball bearings / Matched pair / Back-to-back / With machined cage
Technical Data16 parameters
Technical Data
ParameterSymbolValue
d90 mm
D160 mm
B60 mm
R(Min.)2 mm
R1(Min.)1 mm
Basic Load Ratings : Cr229 kN
Basic Load Ratings : C0R193 kN
Fatigue Load Limit : Cu10.6 kN
Limiting Speeds(Grease Lub.)3800 min-1
Limiting Speeds(Oil Lub.)4700 min-1
Load Center Spread : A102.2 mm
Da(Min.)100 mm
Db(Max.)154.5 mm
Ra(Max.)2 mm
Rb(Max.)1 mm
Mass(Refer.)4.60 kg

Technical documents & data sheet

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Record identity
KOYO 7218DB FY
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