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

KOYO 7028DF FY

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

Technical data available
Bore diameterd
140 mm
Outside diameterD
210 mm
WidthB
66 mm
Dynamic load ratingC
243 kN
Static load ratingC0
265 kN
Limiting speednG
2600 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 / Face-to-face / With machined cage
Bore diameterd140 mm
Outside diameterD210 mm
WidthB66 mm
Basic dynamic load ratingC243 kN
Basic static load ratingC0265 kN
Fatigue load limitPu10.6 kN
Limiting speednG2600 r/min
Mass≈m7.28 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key020-020-020
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathAngular contact ball bearings - Matched pair - Face-to-face - With machined cage
Official Classification 1Angular contact ball bearings / Matched pair / Face-to-face / With machined cage
Technical Data16 parameters
Technical Data
ParameterSymbolValue
d140 mm
D210 mm
B66 mm
R(Min.)2 mm
R1(Min.)- mm
Basic Load Ratings : Cr243 kN
Basic Load Ratings : C0R265 kN
Fatigue Load Limit : Cu10.6 kN
Limiting Speeds(Grease Lub.)2600 min-1
Limiting Speeds(Oil Lub.)3300 min-1
Load Center Spread : A68.1 mm
Db(Min.)150 mm
Da(Max.)200 mm
Ra(Max.)2 mm
Rb(Max.)1 mm
Mass(Refer.)7.28 kg

Technical documents & data sheet

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Record identity
KOYO 7028DF FY
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