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KOYO / Double-row / tdi type

KOYO 45340

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

Technical data available
Bore diameterd
200 mm
Outside diameterD
340 mm
WidthB
112 mm
Dynamic load ratingC
1250 kN
Static load ratingC0
1840 kN
Limiting speednG
770 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 diameterd200 mm
Outside diameterD340 mm
WidthB112 mm
Basic dynamic load ratingC1250 kN
Basic static load ratingC01840 kN
Fatigue load limitPu208 kN
Limiting speednG770 r/min
Mass≈m41.9 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
d200 mm
D340 mm
B112 mm
T112 mm
R(Min.)3 mm
R1(Min.)4 mm
Basic Load Ratings : Cr1250 kN
Basic Load Ratings : C0R1840 kN
Fatigue Load Limit : Cu208 kN
Limiting Speeds(Grease Lub.)770 min-1
Limiting Speeds(Oil Lub.)1000 min-1
Constant E0.35
Axial Load Factors : Y21.95
Axial Load Factors : Y32.90
Axial Load Factors : Y01.91
Da(Max.)244 mm
Da(Max.)326 mm
Da(Min.)300 mm
Sa(Min.)5 mm
Ra(Max.)2.5 mm
Rb(Max.)3 mm
Mass(Refer.)41.9 kg

Technical documents & data sheet

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Record identity
KOYO 45340
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