THK RN Ball Screw Lock Nut
THK RN Ball Screw Lock Nut is used to fix the angular bearings fitted to ball screws. It has a narrow thread pitch for secure bearing fixation. The RN is available in sizes from M4 to M40.
The RN lock nut is supplied with a set piece and hexagonal socket-head setscrew. These parts help secure the lock nut in position after installation. THK specifies RN models from RN4 through RN40.
THK RN Ball Screw Lock Nut is available with metric threads from M4×0.5 to M40×1.5. The compact design suits ball screw support assemblies using THK support units such as EK, FK and BK.
