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 K444677

O.D. (D)

N/A 10.2500 in260.350 mm
e Factor 1 N/A 0.68
K Factor 2 N/A 1.79

Other Dimensions

Weight

N/A 2.837 Kg6.25 lb

Outer Ring Width (C)

N/A 5.5000 in139.700 mm
Max Housing Fillet Radius3 N/A 0.130 in3.30 mm

Housing Backing Shoulder Dia. - Frontface (Da)

N/A 8.23 in208.03 mm

Factors

Y1 Factor 4 N/A 0.99 1.47
Y2 Factor 5 N/A 1.47
Geometry Factor (Cg)6 N/A 0.118

Note

Note

N/A This part has a non-standard shoulder design. Please email customer CAD for shoulder details to ensure the proper design of mating components.
  • 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.