As we know, we usually identify the bearing fault by the fault characteristic frequency, as the fault occurred. but in fact, the fault characteristic frequency of a faulty bearing in measured signal is different from the theoretical value due to factors such as clearance and slipping. How can we draw the final conclusion?
In addition, the fault characteristic order of some bearings is close to an integer leading to their fault characteristic frequency being almost the same as the harmonics of the rotating frequency. In this case, what is a good way to judge?
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