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KOYO / Double-row / tdo type

KOYO 46T30318JR/81

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

Technical data available
Bore diameterd
90 mm
Outside diameterD
190 mm
WidthB
102 mm
Dynamic load ratingC
741 kN
Static load ratingC0
841 kN
Limiting speednG
1600 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 / constructionDouble-row / TDO type
Bore diameterd90 mm
Outside diameterD190 mm
WidthB102 mm
Basic dynamic load ratingC741 kN
Basic static load ratingC0841 kN
Fatigue load limitPu114 kN
Limiting speednG1600 r/min
Mass≈m13 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key050-020-010
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathTapered roller bearings - Double-row - TDO type
Official Classification 1Tapered roller bearings / Double-row / TDO type
Technical Data21 parameters
Technical Data
ParameterSymbolValue
d90 mm
D190 mm
T102 mm
C81 mm
R(Min.)3 mm
R1(Min.)1 mm
Basic Load Ratings : Cr741 kN
Basic Load Ratings : C0R841 kN
Fatigue Load Limit : Cu114 kN
Limiting Speeds(Grease Lub.)1600 min-1
Limiting Speeds(Oil Lub.)2200 min-1
Constant E0.35
Axial Load Factors : Y21.96
Axial Load Factors : Y32.91
Axial Load Factors : Y01.91
Da(Min.)108 mm
Da(Min.)177 mm
Sa(Min.)10.5 mm
Ra(Max.)3 mm
Rb(Max.)1 mm
Mass(Refer.)13 kg

Technical documents & data sheet

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Record identity
KOYO 46T30318JR/81
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