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KOYO / Double-row / tdi type

KOYO 45246

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

Technical data available
Bore diameterd
230 mm
Outside diameterD
350 mm
WidthB
90 mm
Dynamic load ratingC
991 kN
Static load ratingC0
1560 kN
Limiting speednG
710 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 diameterd230 mm
Outside diameterD350 mm
WidthB90 mm
Basic dynamic load ratingC991 kN
Basic static load ratingC01560 kN
Fatigue load limitPu177 kN
Limiting speednG710 r/min
Mass≈m30.6 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
d230 mm
D350 mm
B90 mm
T90 mm
R(Min.)3 mm
R1(Min.)4 mm
Basic Load Ratings : Cr991 kN
Basic Load Ratings : C0R1560 kN
Fatigue Load Limit : Cu177 kN
Limiting Speeds(Grease Lub.)710 min-1
Limiting Speeds(Oil Lub.)950 min-1
Constant E0.28
Axial Load Factors : Y22.43
Axial Load Factors : Y33.61
Axial Load Factors : Y02.37
Da(Max.)267 mm
Da(Max.)336 mm
Da(Min.)318 mm
Sa(Min.)6 mm
Ra(Max.)2.5 mm
Rb(Max.)3 mm
Mass(Refer.)30.6 kg

Technical documents & data sheet

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Record identity
KOYO 45246
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