The 30 mm steel shaft sleeve bearing is designed for use with standard bearing numbers 6006, 6206, and 6306, featuring a sleeve length of 50 mm and available undersize options of 2 mm (28 mm bore) and 3 mm (27 mm bore). Constructed from durable steel, this sleeve ensures precise fit and smooth operation in various industrial and electrical applications. It supports high-speed performance and reliable load handling, making it ideal for motors, generators, and other rotating equipment where accurate shaft alignment and long service life are essential.