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KOYO / Double-row / tdi type

KOYO 45288

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

Technical data available
Bore diameterd
440 mm
Outside diameterD
650 mm
WidthB
157 mm
Dynamic load ratingC
3190 kN
Static load ratingC0
5500 kN
Limiting speednG
300 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 diameterd440 mm
Outside diameterD650 mm
WidthB157 mm
Basic dynamic load ratingC3190 kN
Basic static load ratingC05500 kN
Fatigue load limitPu512 kN
Limiting speednG300 r/min
Mass≈m182 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
d440 mm
D650 mm
B157 mm
T157 mm
R(Min.)6 mm
R1(Min.)6 mm
Basic Load Ratings : Cr3190 kN
Basic Load Ratings : C0R5500 kN
Fatigue Load Limit : Cu512 kN
Limiting Speeds(Grease Lub.)300 min-1
Limiting Speeds(Oil Lub.)390 min-1
Constant E0.28
Axial Load Factors : Y22.43
Axial Load Factors : Y33.61
Axial Load Factors : Y02.37
Da(Max.)500 mm
Da(Max.)622 mm
Da(Min.)592 mm
Sa(Min.)10 mm
Ra(Max.)5 mm
Rb(Max.)5 mm
Mass(Refer.)182 kg

Technical documents & data sheet

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Record identity
KOYO 45288
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