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

KOYO 7020BDB FY

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

Technical data available
Bore diameterd
100 mm
Outside diameterD
150 mm
WidthB
48 mm
Dynamic load ratingC
124 kN
Static load ratingC0
127 kN
Limiting speednG
2800 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 diameterd100 mm
Outside diameterD150 mm
WidthB48 mm
Basic dynamic load ratingC124 kN
Basic static load ratingC0127 kN
Fatigue load limitPu5.9 kN
Limiting speednG2800 r/min
Mass≈m2.74 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
d100 mm
D150 mm
B48 mm
R(Min.)1.5 mm
R1(Min.)1 mm
Basic Load Ratings : Cr124 kN
Basic Load Ratings : C0R127 kN
Fatigue Load Limit : Cu5.90 kN
Limiting Speeds(Grease Lub.)2800 min-1
Limiting Speeds(Oil Lub.)3800 min-1
Load Center Spread : A128.9 mm
Da(Min.)108.5 mm
Db(Max.)144.5 mm
Ra(Max.)1.5 mm
Rb(Max.)1 mm
Mass(Refer.)2.74 kg

Technical documents & data sheet

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Record identity
KOYO 7020BDB FY
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