These are made for this type of service and have thread designs ... there is a race containing ball bearings that moves up and down the screw. The ball bearings lead to less friction.

The bearings actually squeeze the rod a little bit, making a temporary indentation in the surface that works just like a screw thread would. As the bearings roll on, the rod bounces back to its ...

2. Empowering AI robotic innovation with HIWIN Solutions HIWIN critical components such as ball screw, linear guideways, Datorker gear reducers and cross roller bearings have been used in AI ...