THK :Some Model No. were added to SBK.
Some Model No. were added to Advantages of Caged Ball Ball Screw SBK. SBK5020-7.6 SBK5520-7.6 A high-speed ball screw SBK is provided with caged ball technology in order to eliminate collisions and friction between balls and improve lubrication longevity. By doing this, low noise, excellent torque characteristics and long periods without maintenance have been achieved.