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KOYO / Double-row / tdi type

KOYO 45322

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

Technical data available
Bore diameterd
110 mm
Outside diameterD
180 mm
WidthB
56 mm
Dynamic load ratingC
378 kN
Static load ratingC0
505 kN
Limiting speednG
1600 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 diameterd110 mm
Outside diameterD180 mm
WidthB56 mm
Basic dynamic load ratingC378 kN
Basic static load ratingC0505 kN
Fatigue load limitPu72.2 kN
Limiting speednG1600 r/min
Mass≈m5.4 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
d110 mm
D180 mm
B56 mm
T56 mm
R(Min.)2 mm
R1(Min.)2.5 mm
Basic Load Ratings : Cr378 kN
Basic Load Ratings : C0R505 kN
Fatigue Load Limit : Cu72.2 kN
Limiting Speeds(Grease Lub.)1600 min-1
Limiting Speeds(Oil Lub.)2100 min-1
Constant E0.35
Axial Load Factors : Y21.95
Axial Load Factors : Y32.90
Axial Load Factors : Y01.91
Da(Max.)128 mm
Da(Max.)170 mm
Da(Min.)160 mm
Sa(Min.)4 mm
Ra(Max.)2 mm
Rb(Max.)2 mm
Mass(Refer.)5.40 kg

Technical documents & data sheet

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Record identity
KOYO 45322
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