The NKE AH308 is a high-quality tapered adapter sleeve designed for securely mounting spherical roller bearings and other bearings with a tapered bore onto cylindrical shafts. This essential component ensures precise bearing fitment and reliable operation in various industrial applications. It features a 35mm bore diameter, 50mm outer diameter, and 35mm width, compatible with M40x1.5 threads, KM8 locknuts, and MB8 lockwashers, providing a robust solution for bearing installations.