The line of Fafnir ball-screw support bearings now includes single-row metric sizes and sealed double-row bearings.

Once the blocks reach their position, they stay there to guide and support the screw. With 10, 12, or even 13 of these blocks, support can be provided that gives the ball screw strokes of up to 36 ft.

Roll-formed ball screws are typically limited to P5 tolerance class, 23um/300mm, although the better quality manufacturers can usually roll to P3 (12um/300mm) for a price.

Schaeffler, a German manufacturer of machine and car parts, has commenced production of ball screw drives (KGTs) for a Chinese electric vehicle (EV) manufacturer. KGTs are integral to advanced ...

Ball screw drive systems are pivotal in modern machine tools, providing the precise conversion of rotary motion into linear movement. Their high stiffness and efficiency render them essential in ...