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.
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4
21400 lbf95300 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5
144000 lbf640000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6
37300 lbf166000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)7
12600 lbf56100 N
Factors
K - Factor8
1.7
e - ISO Factor9
0.34
Y1 - ISO Factor10
1.96
Y2 - ISO Factor11
2.92
Cg - Geometry Factor12
0.122
1 These maximum fillet radii will be cleared by the bearing corners.
2 These maximum fillet radii will be cleared by the bearing corners.
3 Negative value indicates effective center inside cone backface.
4 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
5 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
6 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
7 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
8 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
9 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
10 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
11 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
12 Geometry constant for Lubrication Life Adjustment Factor a3l.