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

KOYO 7218CDB

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
260 kN
Static load ratingC0
223 kN
Limiting speednG
4100 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 pressed cage
Bore diameterd90 mm
Outside diameterD160 mm
WidthB60 mm
Basic dynamic load ratingC260 kN
Basic static load ratingC0223 kN
Fatigue load limitPu12.8 kN
Limiting speednG4100 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 pressed cage
Official Classification 1Angular contact ball bearings / Matched pair / Back-to-back / With pressed cage
Technical Data17 parameters
Technical Data
ParameterSymbolValue
d90 mm
D160 mm
B60 mm
R(Min.)2 mm
R1(Min.)1 mm
Basic Load Ratings : Cr260 kN
Basic Load Ratings : C0R223 kN
Fatigue Load Limit : Cu12.8 kN
Factor : F014.6
Limiting Speeds(Grease Lub.)4100 min-1
Limiting Speeds(Oil Lub.)5500 min-1
Load Center Spread : A63.5 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 7218CDB
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