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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

Specifications

Series

 N/A A2000

Cup Part Number

 N/A A2120D

Design Units

 N/A Imperial

Dimensions

D - Cup Outer Diameter

 N/A 1.2000 in30.480 mm

C - Double Cup Width

 N/A 0.8370 in21.260 mm

Abutment and Fillet Dimensions

Da - Cup Frontface Backing Diameter

 N/A 1.12 in28.40 mm

Factors

K - Factor1 N/A 1.44
e - ISO Factor2 N/A 0.41
Y1 - ISO Factor3 N/A 1.67
Y2 - ISO Factor4 N/A 2.48
Cg - Geometry Factor5 N/A 0.0308
  • 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 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 Geometry constant for Lubrication Life Adjustment Factor a3l.