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KOYO / Double-row / tdo type

KOYO 46272

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

Technical data available
Bore diameterd
360 mm
Outside diameterD
540 mm
WidthB
134 mm
Dynamic load ratingC
2070 kN
Static load ratingC0
3290 kN
Limiting speednG
400 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 diameterd360 mm
Outside diameterD540 mm
WidthB134 mm
Basic dynamic load ratingC2070 kN
Basic static load ratingC03290 kN
Fatigue load limitPu332 kN
Limiting speednG400 r/min
Mass≈m93 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
d360 mm
D540 mm
T134 mm
C120 mm
R(Min.)6 mm
R1(Min.)2 mm
Basic Load Ratings : Cr2070 kN
Basic Load Ratings : C0R3290 kN
Fatigue Load Limit : Cu332 kN
Limiting Speeds(Grease Lub.)400 min-1
Limiting Speeds(Oil Lub.)530 min-1
Constant E0.32
Axial Load Factors : Y22.12
Axial Load Factors : Y33.15
Axial Load Factors : Y02.07
Da(Min.)388 mm
Da(Min.)510 mm
Sa(Min.)7 mm
Ra(Max.)5 mm
Rb(Max.)2 mm
Mass(Refer.)93.0 kg

Technical documents & data sheet

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Record identity
KOYO 46272
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