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KOYO / Single-row / inch series

KOYO L555249/10

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

Technical data available
Bore diameterd
292.1 mm
Outside diameterD
374.65 mm
WidthB
47.625 mm
Dynamic load ratingC
587 kN
Static load ratingC0
971 kN
Limiting speednG
760 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 diameterd292.1 mm
Outside diameterD374.65 mm
WidthB47.625 mm
Basic dynamic load ratingC587 kN
Basic static load ratingC0971 kN
Fatigue load limitPu111 kN
Limiting speednG760 r/min
Mass≈m11.5 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
d292.100 mm
D374.650 mm
T47.625 mm
B47.625 mm
C34.925 mm
R(Min.)3.6 mm
R1(Min.)3.2 mm
Basic Load Ratings : Cr587 kN
Basic Load Ratings : C0R971 kN
Fatigue Load Limit : Cu111 kN
Limiting Speeds(Grease Lub.)760 min-1
Limiting Speeds(Oil Lub.)1000 min-1
Load Center Spread : A64.7 mm
Constant :E0.40
Axial Load Factors : Y11.49
Axial Load Factors : Y00.82
Da306.0 mm
Db309.0 mm
Da351.0 mm
Db360.0 mm
Ra(Max.)3.6 mm
Rb(Max.)3.2 mm
Mass(Refer.)11.5 kg

Technical documents & data sheet

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Record identity
KOYO L555249/10
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