Vibration due ri Bearings ,Looseness and Resonance

[@ahmedzuhair4474]

3/12/2021

[@Hands22]

Can i reaction this video?

[@darmaputranainggolan931]

for unbalance criteria why in 1x rpm? please explain for me

[@eduardofrias339]

I think that it is because the highest level of unbalanced force occurs and vary with the frequency of the rotating.