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KOYO / Double-row / tdi type

KOYO 452/530

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

Technical data available
Bore diameterd
530 mm
Outside diameterD
780 mm
WidthB
185 mm
Dynamic load ratingC
5100 kN
Static load ratingC0
8870 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 specifications9 parameters
Core specifications
ParameterSymbolValue
Variant / constructionDouble-row / TDI type
Bore diameterd530 mm
Outside diameterD780 mm
WidthB185 mm
Basic dynamic load ratingC5100 kN
Basic static load ratingC08870 kN
Fatigue load limitPu788 kN
Limiting speednG-1 r/min
Mass≈m306 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
d530 mm
D780 mm
B185 mm
T185 mm
R(Min.)6 mm
R1(Min.)6 mm
Basic Load Ratings : Cr5100 kN
Basic Load Ratings : C0R8870 kN
Fatigue Load Limit : Cu788 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.)591 mm
Da(Max.)752 mm
Da(Min.)710 mm
Sa(Min.)8 mm
Ra(Max.)5 mm
Rb(Max.)5 mm
Mass(Refer.)306 kg

Technical documents & data sheet

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Record identity
KOYO 452/530
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