Here's a good article on how to avoid it.
Keeping Your Wheels On - Articles - Aftermarket - Articles - TruckingInfo.com
There’s no mystery to why wheels come off trucks. The National Transportation Safety Board in 1992, and Ontario’s Ministry of Transportation in the late 1990s, both concluded after exhaustive studies that inadequate maintenance was the root cause of a series of fatal wheel separation incidents.
Whether it was loosened wheel fasteners or failed bearings due to improper installation or loss of lubricant, better maintenance could have prevented all but a few of the incidents. One report that emerged from Ontario revealed that between 2000 and 2003, 83% of the incident reports noted that repairs or maintenance had been performed on the suspect wheels just a short time prior to the separation.
Keeping Your Wheels On - Articles - Aftermarket - Articles - TruckingInfo.com