Drive Shaft for Sander 6 x 48 Belt Sander Finishing Machines built after 1975. The newer shaft 406-03-106-0002 must be used as a set with bearing 920-04-020-5360 and bearing 920-06-020-5334 and spacer 406-03-104-0003. Machines built prior to 1975 used 920-06-020-5334 and 920-08-020-5339 extended inner race bearings and a narrower Spacer 904-10-031-3806 which must also be used as a set. These are all available under seperate listings.