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

Key Dimensions

Cup Part Number

 N/A 46721XD

O.D. (D)

 N/A 8.875 in225.425 mm
e Factor 1 N/A 0.82
K Factor 2 N/A 1.52

Other Dimensions

Weight

 N/A 11.059 Kg24.38 lb

Outer Ring Width (C)

 N/A 3.0000 in76.200 mm
Max Housing Fillet Radius3 N/A 0.03 in0.8 mm

Housing Backing Shoulder Dia. - Frontface (Da)

 N/A 8.62 in217.93 mm

Factors

Y1 Factor 4 N/A 0.82 1.23
Y2 Factor 5 N/A 1.23
Geometry Factor (Cg)6 N/A 0.143
  • 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 maximum fillet radii will be cleared by the bearing corners.
  • 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.