ball motors rotary

  • What are ball splines and rotary ball ... - Linear Motion Tips

    Apr 15, 2016 · While recirculating linear bearings provide linear motion and ball screws provide rotary motion, rotary ball splines fill the gap between the two, generating both linear and rotary motion. Rotary ball splines incorporate a rotating element—angular contact ball bearings, crossed rollers, or gears—on the outer diameter of the nut.