DRIVING AT 60MPH HIGHWAY LIMIT. WITHOUT WARNING OR VIBRATION, FRONT PASSENGER WHEEL BEARING BROKE OFF, SENDING THE TIRE/WHEEL FLYING OFF THE HIGHWAY HILL, DOWN THE ACCESS ROAD, AND SMASHING AGAINST A BANK STONE WALL, AFTER IT BROKE THROUGH A 2ND STAND ALONE STONE WALL. LUCKY WE COULD STOP THE TRUCK WITHOUT FLIPPING OVER AND LUCKY FLYING WHEEL/TIRE DID NOT HIT ANY VEHICLES, AS IT HAPPENED DURING LUNCH TRAFFIC HOURS. BEARING COMPLETELY BROKE OFF. WAS MADE RESPONSIBLE FOR SECOND HAND COLLISION, PROPERTY DAMAGES, AND TXDOT $400 TOWING CHARGES. *TR