All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - Double Cups > Tapered Roller Bearings - Double Tapered Cup - Imperial > Part Number K518331  

Part Number K518331, Tapered Roller Bearings - Double Tapered Cup - Imperial

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The configuration of the TDO provides a wide effective bearing spread, making it ideal for applications in which overturning moments are a significant load component. TDO bearings can be used in fixed positions or allowed to float in the housing bore.




Specifications  · Dimensions  · Abutment and Fillet Dimensions  · Factors

Specifications

Series
385

Cup Part Number
K518331

Design Units
Imperial

Note
This part has a non-standard shoulder design. Please email customer CAD for shoulder details to ensure the proper design of mating components.


Dimensions

D - Cup Outer Diameter
4.7239 in
119.987 mm

C - Double Cup Width
1.9644 in
49.896 mm


Abutment and Fillet Dimensions

r - Cup Backface "To Clear" Radius1
0.050 in
1.3 mm
1 These maximum fillet radii will be cleared by the bearing corners.


Factors

K - Factor1
1.65

e - ISO Factor2
0.75

Y1 - ISO Factor3
0.9
1.34

Y2 - ISO Factor4
1.34

Cg - Geometry Factor5
0.0859
1 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
2 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
3 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
4 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
5 Geometry constant for Lubrication Life Adjustment Factor a3l.



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