Bearing Change Interval - Siemens SIMOTICS S-1FK2 Configuration Manual

3.11

Bearing change interval

Motor bearings are wearing parts. They must be replaced after a defined number of operating
hours.
At medium loads, the motor bearings last approx. 25000 h.
The procedure for replacing the motor bearing depends on the size of the motor.
For 1F☐2☐03 ... 1F☐2☐05 motors, it is not possible to replace the motor bearings. Replace
these motors in their entirety.
Replacement of the motor bearings is only intended as from 1F☐2☐06.
Especially favorable operating conditions, such as low average speed, low radial force and
vibration load can prolong the interval between replacing bearings.
Note
Premature bearing and motor replacement
Harsh operating conditions, e.g. continuous operation at n
frequent reversing duty reduce the bearing or motor replacement interval by up to 50 %.
The maintenance and repair of the motor can be performed in authorized Siemens Service
Centers all over the world.
Contact your personal Siemens representative if you would like to take advantage of this service.
1FK2 Synchronous Motors for SINAMICS S120
Configuration Manual, 02/2022, A5E46927724B AD
Mechanical properties
3.11 Bearing change interval
, high vibration/shock loads,
max
57