Does a drive shaft center support bearing need to be pressed on and off 1995 ram 1500 extended cab?

Yes, the driveshaft center support bearing on a 1995 Ram 1500 extended cab typically needs to be pressed on and off. It's not a simple bolt-on or slide-on component. The bearing is usually pressed onto the driveshaft itself. You'll need a press or specialized tools to do this correctly without damaging the bearing or driveshaft.