291-004 6 x 48 inch industrial belt sander frame is a cast iron frame that can be put in multiple positions. Used on all 6 x 48 inch belt and combination sanders.
044-004 industrial sealed ball bearing set is used as spindle bearings in the 16 inch thru 20 inch saws and 6 inch belt sanders idler pulley's. This bearing set consist of two sealed bearings.