The HFH HMZ32 Lock Nut is a high-quality component designed for securely fastening bearings on shafts. Featuring an M155x3 thread, this genuine HFH lock nut has an internal diameter of 155mm, an external diameter of 200mm, and a width of 25mm, ensuring precise fitment and reliable performance in industrial applications. With a weight of 1.5 kg, it provides robust support for machinery.