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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 395.758 Kg872.50 lb

C - Double Cup Width

N/A 9.2500 in234.950 mm
Max Housing Fillet Radius1 N/A 0.13 in3.3 mm

Housing Backing Shoulder Diameter - Frontface (Da)

N/A 25.07 in636.02 mm

Key Dimensions

Series

N/A 328000

Cup Part Number

N/A 328268D

O.D. (D)

N/A 26.996 in685.698 mm
K Factor 2 N/A 1.45
e Factor 3 N/A 0.87

Factors

Y1 Factor 4 N/A 0.78 1.16
Y2 Factor 5 N/A 1.16
Geometry Factor (Cg)6 N/A 0.244
  • 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.