Lead screw stabilizer with bearing

By using this remix https://www.thingiverse.com/thing:4706125 as the base and adding/scaling the 608 bearing so the outer side is part of the main body. https://www.thingiverse.com/thing:2746804
now you should have a print in place no screw lead screw/z screw guide.

Print the tightest your printer can manage.