Hi Lazz and welcome !
As far as a motor on a bead roller. I have made a few. The best, that I have found, is a 3 phase gear motor with a 120volt VFD. you get variable speed, forward and reverse. Here is one I built for a friend. The upper shaft moves in and out 1-1/4".
http://allmetalshaping.com/album.php?albumid=631