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
5360 lbf23900 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5
36000 lbf160000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6
9340 lbf41500 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)7
6130 lbf27300 N
Factors
K - Factor8
0.87
e - ISO Factor9
0.67
Y1 - ISO Factor10
1.01
Y2 - ISO Factor11
1.5
Cg - Geometry Factor12
0.0774
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.