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KOYO / Matched pair / tandem / with machined cage

KOYO 7321CDT FY

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

Technical data available
Bore diameterd
105 mm
Outside diameterD
225 mm
WidthB
98 mm
Dynamic load ratingC
452 kN
Static load ratingC0
413 kN
Limiting speednG
3900 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 / Tandem / With machined cage
Bore diameterd105 mm
Outside diameterD225 mm
WidthB98 mm
Basic dynamic load ratingC452 kN
Basic static load ratingC0413 kN
Fatigue load limitPu16.6 kN
Limiting speednG3900 r/min
Mass≈m17.2 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key020-020-030
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathAngular contact ball bearings - Matched pair - Tandem - With machined cage
Official Classification 1Angular contact ball bearings / Matched pair / Tandem / With machined cage
Technical Data17 parameters
Technical Data
ParameterSymbolValue
d105 mm
D225 mm
B98 mm
R(Min.)3 mm
R1(Min.)1.1 mm
Basic Load Ratings : Cr452 kN
Basic Load Ratings : C0R413 kN
Fatigue Load Limit : Cu16.6 kN
Factor : F013.4
Limiting Speeds(Grease Lub.)3900 min-1
Limiting Speeds(Oil Lub.)5100 min-1
Da(Min.)119 mm
Db(Min.)- mm
Da(Max.)211 mm
Db(Max.)218 mm
Ra(Max.)2.5 mm
Mass(Refer.)17.2 kg

Technical documents & data sheet

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Record identity
KOYO 7321CDT FY
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