Cooler Fan Motor BSF Before and After Grease

Bearing defect frequency disappears after greasing, but gE value decreases significantly.

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i am facing new problem for me
We have bearing defect frequency(BSF) in motor bearing of cooler fan and when grease it disappear this peak
we doubt in broken cap of bearing that lead to escape the grease from bearing
Also gE value of NDE motor bearing decrease from 6.4 gE to 2.1 gE when re-grease DE bearing only with 5 gram.

Time of reading after grease took after 5 hours of re-grease time and other reading took today after old reading 24 hours

what is your opinion?

Post Information
Category: Vibration Case Study
Language: English
Reading Time: 1 min
Tags
cooler fan motor bearing bsf fault
Original Authors
Anas Saleh
Shared By
Reliability

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