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KOYO / Double-row / tdi type

KOYO 452/750

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

Technical data available
Bore diameterd
750 mm
Outside diameterD
1090 mm
WidthB
250 mm
Dynamic load ratingC
7250 kN
Static load ratingC0
16700 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 diameterd750 mm
Outside diameterD1090 mm
WidthB250 mm
Basic dynamic load ratingC7250 kN
Basic static load ratingC016700 kN
Limiting speednG-1 r/min
Mass≈m791 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
d750 mm
D1090 mm
B250 mm
T250 mm
R(Min.)7.5 mm
R1(Min.)7.5 mm
Basic Load Ratings : Cr7250 kN
Basic Load Ratings : C0R16700 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.)833 mm
Da(Max.)1054 mm
Da(Min.)996 mm
Sa(Min.)10 mm
Ra(Max.)6 mm
Rb(Max.)6 mm
Mass(Refer.)791 kg

Technical documents & data sheet

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Record identity
KOYO 452/750
Document matching
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