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KOYO / Double-row / tdi type

KOYO 45368

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

Technical data available
Bore diameterd
340 mm
Outside diameterD
580 mm
WidthB
190 mm
Dynamic load ratingC
3790 kN
Static load ratingC0
5470 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 / TDI type
Bore diameterd340 mm
Outside diameterD580 mm
WidthB190 mm
Basic dynamic load ratingC3790 kN
Basic static load ratingC05470 kN
Fatigue load limitPu537 kN
Limiting speednG390 r/min
Mass≈m202 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key050-020-020
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathTapered roller bearings - Double-row - TDI type
Official Classification 1Tapered roller bearings / Double-row / TDI type
Technical Data22 parameters
Technical Data
ParameterSymbolValue
d340 mm
D580 mm
B190 mm
T190 mm
R(Min.)5 mm
R1(Min.)6 mm
Basic Load Ratings : Cr3790 kN
Basic Load Ratings : C0R5470 kN
Fatigue Load Limit : Cu537 kN
Limiting Speeds(Grease Lub.)390 min-1
Limiting Speeds(Oil Lub.)510 min-1
Constant E0.32
Axial Load Factors : Y22.12
Axial Load Factors : Y33.15
Axial Load Factors : Y02.07
Da(Max.)401 mm
Da(Max.)558 mm
Da(Min.)515 mm
Sa(Min.)6 mm
Ra(Max.)4 mm
Rb(Max.)5 mm
Mass(Refer.)202 kg

Technical documents & data sheet

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Record identity
KOYO 45368
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