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.

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Unit of Measure

Key Dimensions

Cup Part Number

 N/A HM129813XD

O.D. (D)

 N/A 8.6564 in219.873 mm
e Factor 1 N/A 0.26
K Factor 2 N/A 2.21

Other Dimensions

Weight

 N/A 24.485 Kg53.98 lb

Outer Ring Width (C)

 N/A 5.5118 in140.000 mm
Max Housing Fillet Radius3 N/A 0.04 in1.0 mm

Housing Backing Shoulder Dia. - Frontface (Da)

 N/A 8.11 in206 mm

Factors

Y1 Factor 4 N/A 2.55
Y2 Factor 5 N/A 3.8

G1 Factor

 N/A 494
Geometry Factor (Cg)6 N/A 0.122
  • 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.