MPCNC Linear Bearing Rollers

My Design of new Roller for my MPCNC Burley . Instead of many 608er bearing i use a Linear bearing.

i have used this bearing from Alii express:

https://de.aliexpress.com/item/4001026566298.html?spm=a2g0s.9042311.0.0.58574c4diILFyI

If you hae any ideas let me now :-)

you dent need the Roler TOP . it also works with the old one but these are more rigid