Siemens 1FW3 Ergänzungen Zur Betriebsanleitung Seite 21

Description
2.2 Vibration response
Storage
The ball pass frequencies of the ball bearings are stated on the bearing data labeling plate.
You will find the bearing data labeling plate near the rating plate. You can read out the
bearing natural frequencies from the QR code on the bearing data labeling plate.
Depending on the evaluation unit you use, you will be able to detect the specific frequencies
listed below.
The abbreviations have the following meaning:
BPFO: Ball Pass Frequency of Outer ring
BPFI: Ball Pass Frequency of Inner ring
BSF: Ball Spin Frequency
FTF: Fundamental Train Frequency
8
Supplement to "1FW3 complete torque motors" operating instructions
Operating Instructions, 03/2020