TRX4M track bushings
thingiverse
Bushings I made for the trx4m tracks as an alternative to purchasing bearings.
Download Model from thingiverse
With this file you will be able to print TRX4M track bushings with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on TRX4M track bushings.