7mm Linear Ball Bearing

Hello fellow makers, I design this to avoid buying the 8mm linear ball bearing "Lm8uu", and because I have a lot of 7mm x 400mm rods from old ink printers laying around, and there are not 7mm linear ball bearing available to purchase, so with this 7mm Linear Ball Bearing with 6mm airsoft BB, you can avoid expending too much money in high end components.

The support Block it's design in a way that you don´t have to use support material and you have to stop the print to insert all four "m3 nut