In principle, these are very similar to lead screws but instead of a nut, there is a race containing ball bearings that moves up and down the screw. The ball bearings lead to less friction.

Description: support, fill out the Screw and Nut Selection Guide, or Contact Joyce/Dayton with your specific requirements Standard trapezoidal threads from 20 mm through 55 mm diameters. Standard ...

We’ve got mixed feelings about a new video from [AndysMachines] that details how he makes custom ball screws. On the one hand, there’s almost zero chance that we’ll ever have an opportunity ...