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 43319DC

O.D. (D)

 N/A 3.1875 in80.963 mm
e Factor 1 N/A 1.67
K Factor 2 N/A 0.87

Other Dimensions

Weight

 N/A 1.245 Kg2.74 lb

Outer Ring Width (C)

 N/A 1.5625 in39.688 mm
Max Housing Fillet Radius3 N/A 0.06 in1.5 mm

Housing Backing Shoulder Dia. - Frontface (Da)

 N/A 2.94 in73.91 mm

Factors

Y1 Factor 4 N/A 0.41 0.6
Y2 Factor 5 N/A 0.6

G1 Factor

 N/A 16.8

G2 Factor

 N/A 7.57
Geometry Factor (Cg)6 N/A 0.0774
  • 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.