The second batch of LM8UU bearings arrived and I was finally able to assemble both X and Z axises. Y axis was completed earlier. The second set of 12 LM8UU bearings was not much better but I was able to find enough bearings with suitable tolerances.
X axis ends and carriage were some 3D printed parts I got from a friend. I also had another set but this one seemed to fit better. In any case I am planning to replace those and X belt bearing with better ones as soon I get the printer productive.
I'm also building a P3Steel now and am more or less in the same stage as you. I got some "Fushi" linear bearings from Aliexpress and find them surprisingly good (no play at all). Of course you need suitable hardened steel smooth rods, which I ordered from a CNC shop in Germany.
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