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KOYO / Single-row / inch series

KOYO 48190/20

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

Technical data available
Bore diameterd
107.95 mm
Outside diameterD
161.925 mm
WidthB
34.925 mm
Dynamic load ratingC
216 kN
Static load ratingC0
293 kN
Limiting speednG
2200 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 diameterd107.95 mm
Outside diameterD161.925 mm
WidthB34.925 mm
Basic dynamic load ratingC216 kN
Basic static load ratingC0293 kN
Fatigue load limitPu41.8 kN
Limiting speednG2200 r/min
Mass≈m2.39 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
d107.950 mm
D161.925 mm
T34.925 mm
B34.925 mm
C26.988 mm
R(Min.)3.6 mm
R1(Min.)3.2 mm
Basic Load Ratings : Cr216 kN
Basic Load Ratings : C0R293 kN
Fatigue Load Limit : Cu41.8 kN
Limiting Speeds(Grease Lub.)2200 min-1
Limiting Speeds(Oil Lub.)2900 min-1
Load Center Spread : A39.1 mm
Constant :E0.51
Axial Load Factors : Y11.19
Axial Load Factors : Y00.65
Da121.0 mm
Db120.0 mm
Da145.0 mm
Db154.0 mm
Ra(Max.)3.6 mm
Rb(Max.)3.2 mm
Mass(Refer.)2.39 kg

Technical documents & data sheet

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Record identity
KOYO 48190/20
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