Ball Bearing with POM or Nylon
Idler 605ZZ Ball Bearing POM605ZZ
Oiled POM Jacket
New coming: R625ZZ Roller Ball Bearing for Delta Robot 3D Printer builds using 2020 Aluminum Profile R625ZZ. Price is for R625ZZ Bearing only, no screw n nut, no space.
Kossel Mini Prime Line Carriage Roller Ball Bearing