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KOYO / Single-row / inch series

KOYO JH307749/10

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

Technical data available
Bore diameterd
55 mm
Outside diameterD
110 mm
WidthB
39 mm
Dynamic load ratingC
220 kN
Static load ratingC0
224 kN
Limiting speednG
3600 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 mm
Outside diameterD110 mm
WidthB39 mm
Basic dynamic load ratingC220 kN
Basic static load ratingC0224 kN
Fatigue load limitPu34.7 kN
Limiting speednG3600 r/min
Mass≈m1.72 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
d55.000 mm
D110.000 mm
T39.000 mm
B39.000 mm
C32.000 mm
R(Min.)3.0 mm
R1(Min.)2.5 mm
Basic Load Ratings : Cr220 kN
Basic Load Ratings : C0R224 kN
Fatigue Load Limit : Cu34.7 kN
Limiting Speeds(Grease Lub.)3600 min-1
Limiting Speeds(Oil Lub.)4900 min-1
Load Center Spread : A26.8 mm
Constant :E0.35
Axial Load Factors : Y11.73
Axial Load Factors : Y00.95
Da71.0 mm
Db64.0 mm
Da97.0 mm
Db104.0 mm
Ra(Max.)3.0 mm
Rb(Max.)2.5 mm
Mass(Refer.)1.72 kg

Technical documents & data sheet

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Record identity
KOYO JH307749/10
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