I think I'd just add what may be obvious: When reeling out, the line guide (that little slot it's running through) should be facing back (the way you are coming from). When reeling in, it should be facing forwards (the way you are going). Otherwise the line has to wrap around the reel and will no-doubt cause a jam.
Also, when reeling in, you don't want the line to build up in one area; you want it to evenly fill the spool. When it builds up, it will eventually spill over the side, instantly birds nesting. It's easy enough to accomplish. Pivot the reel ever so slightly back and forth as you reel in, so that the line continuously "barber shop poles" around the spool.
Not sure if you're joking, but I'm pretty sure it's just a smooth delrin cylinder rotating on a stainless steel shoulder bolt.