Siemens SIMOTICS T-1FW3 - Bearing version; Shaft end and shaft versions

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
Shaft version
Basis bearing designation
SH 150
SH 200
SH 280
Hollow shaft DE (fixed bearing)
61838
61838
61864
Hollow shaft NDE (floating bearing)
61832
61832
61856
Plug-on shaft DE (fixed bearing)
61838
61838
61864
Plug-on shaft NDE (floating bearing)
6213
6020
6230
Solid shaft DE (fixed bearing) 6215 6220 6230
Solid shaft NDE (floating bearing)
6213
6020
6230
Possible mounting positions
Horizontal and vertical
Horizontal and vertical
Horizontal and vertical
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
Frame size
Flange centering edge d
i
[mm]
1FW315☐
153 H7
1FW320☐
153 H7
1FW328☐
250 H7
Table 3- 10 Plug-on shaft
Frame size
Flange centering edge d
i
[mm]
Support d
i
[mm]
1FW315☐
153 H7
70 H6
1FW320☐
153 H7
85 H6
1FW328☐
250 H7
110 H7