Anti-Wobble Z axis bracket with Floating Driveshaft Bearing

Isolation Bearing floats to keep Z axis supported but does not translate vibrations to motion path.

You can watch and see the movement of the drive screw as the Z is travelled.

Bearings cost about $1.05 ea
Traxxas 5118 8x16x5mm Replacement Precision Ball Bearings 688-2RS (10)

Solved undercut area by sepearating the cup, added more movement up and down.

Print instructions

PETG. .2mm layers, no brim required. Heavey infill.