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

KOYO 7219BDB FY

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

Technical data available
Bore diameterd
95 mm
Outside diameterD
170 mm
WidthB
64 mm
Dynamic load ratingC
224 kN
Static load ratingC0
188 kN
Limiting speednG
2700 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 diameterd95 mm
Outside diameterD170 mm
WidthB64 mm
Basic dynamic load ratingC224 kN
Basic static load ratingC0188 kN
Fatigue load limitPu9.55 kN
Limiting speednG2700 r/min
Mass≈m5.56 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
d95 mm
D170 mm
B64 mm
R(Min.)2.1 mm
R1(Min.)1.1 mm
Basic Load Ratings : Cr224 kN
Basic Load Ratings : C0R188 kN
Fatigue Load Limit : Cu9.55 kN
Limiting Speeds(Grease Lub.)2700 min-1
Limiting Speeds(Oil Lub.)3500 min-1
Load Center Spread : A143.2 mm
Da(Min.)107 mm
Db(Max.)163 mm
Ra(Max.)2 mm
Rb(Max.)1 mm
Mass(Refer.)5.56 kg

Technical documents & data sheet

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Record identity
KOYO 7219BDB FY
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