In the midst of this public flogging of a dead horse, here's a planetary thrust bearing:
https://www.thingiverse.com/thing:53451
(be aware that at
...?t=71 he shows a spool of filament with a free end. That's a big no-no)
Since the file on Thingiverse is parametric, I could print one with a 1" hex hole up to 8" in diameter. For my 25ft iron hex-bar shaft. VAWT on the top and my Fisher-Paykel washing machine motor on the bottom.
Proto-Pasta have bronze-PLA alloy. I think that that might make a self-lubricating part.
www.proto-pasta.com/products/bronze-metal-composite-htpla
It would probably take a $50 spool of filament with any decent amount of infill.