How can I tell if wheel bearings on one or more wheels need to be replaced?

I think you have a tire failing. Get it checked out ASAP, if a tire comes apart you could lose control and crash, so get it checked. take it to a GM specialist or a tire shop for diagnosis. If you want to find a GM specialist, here's our directory link for you: https://repairpal.com/chevrolet-repair-in-fayetteville-north-carolina