Mechanical properties
3.4 Bearing version
1FW3 complete torque motors
Configuration Manual, 08/2020, A5E46027705B AA
51
3.4 Bearing version
The bearings for the complete torque motors are greased for life and designed for a
minimum ambient temperature in operation of -15 °C.
Table 3- 8 Bearing designation and bearing properties for the normal version with standard bearings
Basis bearing designation
Hollow shaft DE (fixed bearing)
Hollow shaft NDE (floating bearing)
Plug-on shaft DE (fixed bearing)
Plug-on shaft NDE (floating bearing)
Solid shaft DE (fixed bearing) 6215 6220 6230
Solid shaft NDE (floating bearing)
Possible mounting positions
You can find further information about the bearings in Chapter "Bearing change intervals
(Page 69)".
3.5 Shaft end and shaft versions
The complete torque motor 1FW3 can be ordered with 3 different shaft versions:
● Hollow shaft
● Plug-on shaft
● Solid shaft
The DE shaft end is cylindrical in accordance with DIN 748-3 (IEC 60072-1).
Table 3- 9 Hollow shaft
Flange centering edge d
i
[mm]
Table 3- 10 Plug-on shaft
Flange centering edge d
i
[mm]
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