I had terrible vibration on my 85 Suburban 3/4 ton 2wd and upon inspection the middle U joint and mid shaft bearing are shot. After removing the driveshaft I cannot figure out how to get the bearing off the shaft. It must be pressed on but at the one end it is welded to the tubular front driveshaft and the other end is the large splined shaft that goes into the rear shaft. Am I blind or just stupid? Thanks for any help.