How to know if I need new bottom end bearings?

No doubt about it, this is a sensitive but, important topic. I just happened to be checking out my bottom end. I was trying to get my bearings when I was beginning to suspect I may have had a case of EOSBH (Early Onset Senior Ball Hang). Much to my relief, and after some rigorous field testing, I realized that I had nothing to worry about.
Ooooops, just realized this thread was about bottom end bearings. My apologies in advance. Please carry on.
 
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