SKF AN34 Bearing Lock Nut

SKF AN34 Bearing Lock Nut is a steel AN-series securing nut designed to lock a bearing onto a shaft, typically used with a lock washer to prevent loosening under dynamic loads. It features a 6.659-8 in thread size, an outer diameter of 8-21/32 in, a face diameter of 8.031 in, and a width of 1-1/16 in, with a weight of about 6.87 lb. The nut includes a slot depth of 7.39 mm and a slot width of 15.49 mm to accommodate the securing features on SKF AN-series bearings. The AN34 is listed as SKF AN-series bearing locking nut with part number AN 34 and is sold through distributors such as Motion Industries (SKU 00554374). This lock nut is designed for use with a compatible lock washer to maintain axial position and prevent loss of preload in shaft-mounted bearing assemblies, providing reliable retention in industrial bearing applications where secure, simple fastening is required.