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

KOYO 7310DB

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

Technical data available
Bore diameterd
50 mm
Outside diameterD
110 mm
WidthB
54 mm
Dynamic load ratingC
151 kN
Static load ratingC0
105 kN
Limiting speednG
4600 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 diameterd50 mm
Outside diameterD110 mm
WidthB54 mm
Basic dynamic load ratingC151 kN
Basic static load ratingC0105 kN
Fatigue load limitPu7.35 kN
Limiting speednG4600 r/min
Mass≈m2.28 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 Data16 parameters
Technical Data
ParameterSymbolValue
d50 mm
D110 mm
B54 mm
R(Min.)2 mm
R1(Min.)1 mm
Basic Load Ratings : Cr151 kN
Basic Load Ratings : C0R105 kN
Fatigue Load Limit : Cu7.35 kN
Limiting Speeds(Grease Lub.)4600 min-1
Limiting Speeds(Oil Lub.)5800 min-1
Load Center Spread : A74.4 mm
Da(Min.)60 mm
Db(Max.)104.5 mm
Ra(Max.)2 mm
Rb(Max.)1 mm
Mass(Refer.)2.28 kg

Technical documents & data sheet

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Record identity
KOYO 7310DB
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