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KOYO / Double-row / tdi type

KOYO 45380

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

Technical data available
Bore diameterd
400 mm
Outside diameterD
650 mm
WidthB
200 mm
Dynamic load ratingC
4840 kN
Static load ratingC0
7810 kN
Limiting speednG
320 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 diameterd400 mm
Outside diameterD650 mm
WidthB200 mm
Basic dynamic load ratingC4840 kN
Basic static load ratingC07810 kN
Fatigue load limitPu735 kN
Limiting speednG320 r/min
Mass≈m265 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
d400 mm
D650 mm
B200 mm
T200 mm
R(Min.)6 mm
R1(Min.)6 mm
Basic Load Ratings : Cr4840 kN
Basic Load Ratings : C0R7810 kN
Fatigue Load Limit : Cu735 kN
Limiting Speeds(Grease Lub.)320 min-1
Limiting Speeds(Oil Lub.)420 min-1
Constant E0.39
Axial Load Factors : Y21.74
Axial Load Factors : Y32.59
Axial Load Factors : Y01.70
Da(Max.)458 mm
Da(Max.)622 mm
Da(Min.)580 mm
Sa(Min.)11 mm
Ra(Max.)5 mm
Rb(Max.)5 mm
Mass(Refer.)265 kg

Technical documents & data sheet

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Record identity
KOYO 45380
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