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KOYO / Single-row / inch series

KOYO 28680/22

Tapered roller bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
55.562 mm
Outside diameterD
97.63 mm
WidthB
24.608 mm
Dynamic load ratingC
113 kN
Static load ratingC0
131 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 / constructionSingle-row / Inch series
Bore diameterd55.562 mm
Outside diameterD97.63 mm
WidthB24.608 mm
Basic dynamic load ratingC113 kN
Basic static load ratingC0131 kN
Fatigue load limitPu19.7 kN
Limiting speednG3900 r/min
Mass≈m0.759 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key050-010-020
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathTapered roller bearings - Single-row - Inch series
Official Classification 1Tapered roller bearings / Single-row / Inch series
Technical Data23 parameters
Technical Data
ParameterSymbolValue
d55.562 mm
D97.630 mm
T24.608 mm
B24.608 mm
C19.446 mm
R(Min.)3.6 mm
R1(Min.)0.8 mm
Basic Load Ratings : Cr113 kN
Basic Load Ratings : C0R131 kN
Fatigue Load Limit : Cu19.7 kN
Limiting Speeds(Grease Lub.)3900 min-1
Limiting Speeds(Oil Lub.)5200 min-1
Load Center Spread : A21.2 mm
Constant :E0.40
Axial Load Factors : Y11.49
Axial Load Factors : Y00.82
Da68.0 mm
Db62.0 mm
Da88.0 mm
Db92.0 mm
Ra(Max.)3.6 mm
Rb(Max.)0.8 mm
Mass(Refer.)0.759 kg

Technical documents & data sheet

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Record identity
KOYO 28680/22
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