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Part Number 663551D, 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
660000

Cup Part Number
663551D

Design Units
Imperial


Dimensions

D - Cup Outer Diameter
35.5000 in
901.700 mm

C - Double Cup Width
8.4375 in
214.313 mm


Abutment and Fillet Dimensions

r - Cup Backface "To Clear" Radius1
0.06 in
1.5 mm

Da - Cup Frontface Backing Diameter
33.78 in
848.11 mm
1 These maximum fillet radii will be cleared by the bearing corners.


Factors

K - Factor1
1.76

e - ISO Factor2
0.7

Y1 - ISO Factor3
0.97
1.44

Y2 - ISO Factor4
1.44

Cg - Geometry Factor5
0.264
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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