The SKF 7500H312 is a genuine SKF precision lock nut designed for the secure axial location of bearings and other components on a shaft. This robust lock nut features an M150x2 thread, a 150 mm bore diameter, and a 200 mm outer diameter, with a width of 25 mm. Weighing approximately 1.7 kg, it is engineered to prevent loosening under vibration and dynamic loads, ensuring reliable operation in demanding industrial applications. This part is commonly used with a corresponding locking washer (e.g., MBFE series) to enhance security.