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KOYO / Double-row / tdi type

KOYO 45248

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

Technical data available
Bore diameterd
240 mm
Outside diameterD
360 mm
WidthB
92 mm
Dynamic load ratingC
1150 kN
Static load ratingC0
1790 kN
Limiting speednG
690 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 diameterd240 mm
Outside diameterD360 mm
WidthB92 mm
Basic dynamic load ratingC1150 kN
Basic static load ratingC01790 kN
Fatigue load limitPu200 kN
Limiting speednG690 r/min
Mass≈m32.2 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
d240 mm
D360 mm
B92 mm
T92 mm
R(Min.)3 mm
R1(Min.)4 mm
Basic Load Ratings : Cr1150 kN
Basic Load Ratings : C0R1790 kN
Fatigue Load Limit : Cu200 kN
Limiting Speeds(Grease Lub.)690 min-1
Limiting Speeds(Oil Lub.)920 min-1
Constant E0.32
Axial Load Factors : Y22.12
Axial Load Factors : Y33.15
Axial Load Factors : Y02.07
Da(Max.)271 mm
Da(Max.)346 mm
Da(Min.)325 mm
Sa(Min.)5 mm
Ra(Max.)2.5 mm
Rb(Max.)3 mm
Mass(Refer.)32.2 kg

Technical documents & data sheet

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Record identity
KOYO 45248
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