They seem to be one of those things that people either love or hate, with little middle ground.
Fwiw, I just tossed some cheap lm8luu bearings on my Y axis (Wanhao Di3) when it started to make noise. It's now making a *different* noise (two years later) but prints fine.
__________________ rATS Project
: We have the technology, we can rebuild it. Shoot me a message if you need spare parts for your ATS marker. My feedback thread