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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis (Single Page) >> Drivelines & Axles >> Driveshaft & Universal Joints >> Vibration - Drivetrain >> Description & Operation >> Driveshaft >> Center Bearing Description

Center Bearing Description

Center bearings support the driveline when using 2 or more driveshafts. The center bearing is a ball bearing mounted in a rubber cushion that attaches to a frame crossmember. The manufacturer pre-lubricates and seals the bearing. The cushion allows vertical motion at the driveline and helps isolate the vehicle from vibration.