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KOYO / Double-row / tdi type

KOYO 452/900

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

Technical data available
Bore diameterd
900 mm
Outside diameterD
1280 mm
WidthB
280 mm
Dynamic load ratingC
9340 kN
Static load ratingC0
22500 kN
Limiting speednG
-1 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 specifications8 parameters
Core specifications
ParameterSymbolValue
Variant / constructionDouble-row / TDI type
Bore diameterd900 mm
Outside diameterD1280 mm
WidthB280 mm
Basic dynamic load ratingC9340 kN
Basic static load ratingC022500 kN
Limiting speednG-1 r/min
Mass≈m1170 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 Data21 parameters
Technical Data
ParameterSymbolValue
d900 mm
D1280 mm
B280 mm
T280 mm
R(Min.)7.5 mm
R1(Min.)7.5 mm
Basic Load Ratings : Cr9340 kN
Basic Load Ratings : C0R22500 kN
Limiting Speeds(Grease Lub.)- min-1
Limiting Speeds(Oil Lub.)- min-1
Constant E0.39
Axial Load Factors : Y21.74
Axial Load Factors : Y32.59
Axial Load Factors : Y01.70
Da(Max.)991 mm
Da(Max.)1244 mm
Da(Min.)1175 mm
Sa(Min.)10 mm
Ra(Max.)6 mm
Rb(Max.)6 mm
Mass(Refer.)1170 kg

Technical documents & data sheet

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Record identity
KOYO 452/900
Document matching
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