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

UPC

 N/A 0053893584126

Cup Part Number

 N/A 281201D

O.D. (D)

 N/A 12.000 in304.8 mm
e Factor 1 N/A 0.36
K Factor 2 N/A 1.62

Other Dimensions

Weight

 N/A 35.034 Kg77.24 lb

Outer Ring Width (C)

 N/A 3.875 in98.425 mm
Max Housing Fillet Radius3 N/A 0.06 in1.5 mm

Housing Backing Shoulder Dia. - Frontface (Da)

 N/A 11.12 in282.45 mm

Factors

Y1 Factor 4 N/A 1.87
Y2 Factor 5 N/A 2.79
Geometry Factor (Cg)6 N/A 0.112
  • 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.