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KOYO / Single-row / inch series

KOYO 28584R/21

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

Technical data available
Bore diameterd
52.388 mm
Outside diameterD
92.075 mm
WidthB
25.4 mm
Dynamic load ratingC
107 kN
Static load ratingC0
119 kN
Limiting speednG
4200 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 diameterd52.388 mm
Outside diameterD92.075 mm
WidthB25.4 mm
Basic dynamic load ratingC107 kN
Basic static load ratingC0119 kN
Fatigue load limitPu17.9 kN
Limiting speednG4200 r/min
Mass≈m0.682 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
d52.388 mm
D92.075 mm
T24.608 mm
B25.400 mm
C19.845 mm
R(Min.)3.6 mm
R1(Min.)0.8 mm
Basic Load Ratings : Cr107 kN
Basic Load Ratings : C0R119 kN
Fatigue Load Limit : Cu17.9 kN
Limiting Speeds(Grease Lub.)4200 min-1
Limiting Speeds(Oil Lub.)5600 min-1
Load Center Spread : A19.9 mm
Constant :E0.38
Axial Load Factors : Y11.59
Axial Load Factors : Y00.87
Da65.0 mm
Db58.0 mm
Da83.0 mm
Db87.0 mm
Ra(Max.)3.6 mm
Rb(Max.)0.8 mm
Mass(Refer.)0.682 kg

Technical documents & data sheet

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Record identity
KOYO 28584R/21
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