The SKF HM56T is a high-quality, genuine SKF lock nut designed for robust and secure retention of bearings on shafts. Featuring an M280x6 thread, an outer diameter of 350 mm, and a width of 38 mm, this lock nut ensures precise axial positioning and prevents loosening under vibration and dynamic loads. It is commonly used in various industrial and heavy machinery applications where reliable bearing mounting is critical. The HM56T is typically paired with an MB 56 T lock washer for optimal performance.