Siemens SIMOTICS S-1FT2 Operating Instructions Manual page 37

F
R
x
Figure 3-1
The following diagrams indicate the maximum permissible radial force for the corresponding
motor shaft height. It depends on the force application point and the average speed. It is
given for a nominal bearing service life (L10h) of 25000 h.
Radial force diagram 1FT2x03
Figure 3-2
SIMOTICS S-1FT2 synchronous motors for SINAMICS S120
Operating Instructions, 07/2021, A5E50610821B AB
Point of application of the radial force at the shaft extension
Distance between where the radial force is applied and the flange in mm
Force application point at the DE (A side)
Maximum permissible radial force F
lifetime of 25000 h
3.4 Permissible radial and axial forces
at a distance x from the flange for a nominal bearing
R
Mounting and options
35