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KOYO / Double-row / tdi type

KOYO 45280

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

Technical data available
Bore diameterd
400 mm
Outside diameterD
600 mm
WidthB
148 mm
Dynamic load ratingC
3020 kN
Static load ratingC0
4960 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 diameterd400 mm
Outside diameterD600 mm
WidthB148 mm
Basic dynamic load ratingC3020 kN
Basic static load ratingC04960 kN
Fatigue load limitPu478 kN
Limiting speednG340 r/min
Mass≈m143 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
D600 mm
B148 mm
T148 mm
R(Min.)5 mm
R1(Min.)6 mm
Basic Load Ratings : Cr3020 kN
Basic Load Ratings : C0R4960 kN
Fatigue Load Limit : Cu478 kN
Limiting Speeds(Grease Lub.)340 min-1
Limiting Speeds(Oil Lub.)450 min-1
Constant E0.33
Axial Load Factors : Y22.03
Axial Load Factors : Y33.02
Axial Load Factors : Y01.98
Da(Max.)452 mm
Da(Max.)578 mm
Da(Min.)545 mm
Sa(Min.)6 mm
Ra(Max.)4 mm
Rb(Max.)5 mm
Mass(Refer.)143 kg

Technical documents & data sheet

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Record identity
KOYO 45280
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