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KOYO / Double-row / tdo type

KOYO 46272A

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
169 mm
Dynamic load ratingC
2530 kN
Static load ratingC0
4230 kN
Limiting speednG
390 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
WidthB169 mm
Basic dynamic load ratingC2530 kN
Basic static load ratingC04230 kN
Fatigue load limitPu419 kN
Limiting speednG390 r/min
Mass≈m124 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
T169 mm
C134 mm
R(Min.)6 mm
R1(Min.)2 mm
Basic Load Ratings : Cr2530 kN
Basic Load Ratings : C0R4230 kN
Fatigue Load Limit : Cu419 kN
Limiting Speeds(Grease Lub.)390 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.)512 mm
Sa(Min.)17.5 mm
Ra(Max.)5 mm
Rb(Max.)2 mm
Mass(Refer.)124 kg

Technical documents & data sheet

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Record identity
KOYO 46272A
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