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KOYO / Double-row / tdi type

KOYO 45376

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

Technical data available
Bore diameterd
380 mm
Outside diameterD
620 mm
WidthB
194 mm
Dynamic load ratingC
3860 kN
Static load ratingC0
6360 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 / TDI type
Bore diameterd380 mm
Outside diameterD620 mm
WidthB194 mm
Basic dynamic load ratingC3860 kN
Basic static load ratingC06360 kN
Fatigue load limitPu606 kN
Limiting speednG340 r/min
Mass≈m234 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
d380 mm
D620 mm
B194 mm
T194 mm
R(Min.)5 mm
R1(Min.)6 mm
Basic Load Ratings : Cr3860 kN
Basic Load Ratings : C0R6360 kN
Fatigue Load Limit : Cu606 kN
Limiting Speeds(Grease Lub.)340 min-1
Limiting Speeds(Oil Lub.)450 min-1
Constant E0.32
Axial Load Factors : Y22.12
Axial Load Factors : Y33.15
Axial Load Factors : Y02.07
Da(Max.)445 mm
Da(Max.)598 mm
Da(Min.)545 mm
Sa(Min.)6 mm
Ra(Max.)4 mm
Rb(Max.)5 mm
Mass(Refer.)234 kg

Technical documents & data sheet

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Record identity
KOYO 45376
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