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KOYO / Double-row / tdo type

KOYO 46T30226JR/78.5

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

Technical data available
Bore diameterd
130 mm
Outside diameterD
230 mm
WidthB
98 mm
Dynamic load ratingC
809 kN
Static load ratingC0
1020 kN
Limiting speednG
1300 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 diameterd130 mm
Outside diameterD230 mm
WidthB98 mm
Basic dynamic load ratingC809 kN
Basic static load ratingC01020 kN
Fatigue load limitPu131 kN
Limiting speednG1300 r/min
Mass≈m15.7 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
d130 mm
D230 mm
T98 mm
C78.5 mm
R(Min.)3 mm
R1(Min.)1 mm
Basic Load Ratings : Cr809 kN
Basic Load Ratings : C0R1020 kN
Fatigue Load Limit : Cu131 kN
Limiting Speeds(Grease Lub.)1300 min-1
Limiting Speeds(Oil Lub.)1700 min-1
Constant E0.44
Axial Load Factors : Y21.55
Axial Load Factors : Y32.31
Axial Load Factors : Y01.52
Da(Min.)148 mm
Da(Min.)218 mm
Sa(Min.)9.5 mm
Ra(Max.)3 mm
Rb(Max.)1 mm
Mass(Refer.)15.7 kg

Technical documents & data sheet

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Record identity
KOYO 46T30226JR/78.5
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