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KOYO / Double-row / tdo type

KOYO 46280A

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

Technical data available
Bore diameterd
400 mm
Outside diameterD
600 mm
WidthB
185 mm
Dynamic load ratingC
3030 kN
Static load ratingC0
5150 kN
Limiting speednG
340 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 diameterd400 mm
Outside diameterD600 mm
WidthB185 mm
Basic dynamic load ratingC3030 kN
Basic static load ratingC05150 kN
Fatigue load limitPu491 kN
Limiting speednG340 r/min
Mass≈m167 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
d400 mm
D600 mm
T185 mm
C148 mm
R(Min.)6 mm
R1(Min.)2 mm
Basic Load Ratings : Cr3030 kN
Basic Load Ratings : C0R5150 kN
Fatigue Load Limit : Cu491 kN
Limiting Speeds(Grease Lub.)340 min-1
Limiting Speeds(Oil Lub.)460 min-1
Constant E0.32
Axial Load Factors : Y22.12
Axial Load Factors : Y33.15
Axial Load Factors : Y02.07
Da(Min.)428 mm
Da(Min.)563 mm
Sa(Min.)18.5 mm
Ra(Max.)5 mm
Rb(Max.)2 mm
Mass(Refer.)167 kg

Technical documents & data sheet

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Record identity
KOYO 46280A
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