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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.
Unit of Measure

Other Dimensions

Weight

N/A 616.903 Kg1360.04 lb

C - Double Cup Width

N/A 8.4375 in214.313 mm
Max Housing Fillet Radius1 N/A 0.06 in1.5 mm

Housing Backing Shoulder Diameter - Frontface (Da)

N/A 33.78 in848.11 mm

Key Dimensions

Series

N/A 660000

Cup Part Number

N/A 663551D

O.D. (D)

N/A 35.5 in901.7 mm
K Factor 2 N/A 1.76
e Factor 3 N/A 0.7

Factors

Y1 Factor 4 N/A 0.97 1.44
Y2 Factor 5 N/A 1.44
Geometry Factor (Cg)6 N/A 0.264
  • 1 These maximum fillet radii will be cleared by the bearing corners.
  • 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 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 6 Geometry constant for Lubrication Life Adjustment Factor a3l.