Siemens SINAMICS S 1PH7 - 3.3 Bearing Version

Mechanical properties of the motors
3.3 Bearing version
1PH7 induction motors (Machine tools)
Configuration Manual, (APH7W), 04/2009, 6SN1197-0AD72-0BP0
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3.3 3.3 Bearing version
3.3.1 Drive output types and bearing versions
1PH7 induction motors are suitable for coupling output and belt coupling. The bearing
versions and their applications are summarized in the following table.
Table 3- 5 Drive output type with the appropriate bearing design
Application Bearing version
• Coupling output
• Planetary gearboxes, low radial
forces
SH 180 to 225


• Belt coupling with normal radial
force
• Pinion output with
straight teeth
• Belt coupling with increased
radial force
Shaft heights 100 to 160


SH 180 to 225


1) Deep-groove ball bearings (floating bearing)
2) Cylindrical-roller bearing