Posted: Apr 30, 2009 - 01:39 PM
There is a guy on eBay that is producing them. You may need to search for ended auctions. There was also a guy that was advertising the assmebly on this site's classifieds, but he was sold the wrong thing. You may want to contact him and get a picture to compare.
Honestly, though, the bearing is just a big plastic washer. You can cut them out of milk jugs or--better yet, go to Bed Bath & Beyond and get some roll-up cutting boards and cut them out yourself. You should be able to get a bunch out of each board!
Solcat 18s are fast, but parts are scarce.