The Ball Bearing (OEM Part No. 5533424400) is a hardened bearing steel rolling element designed for bearing assembly applications. It is compatible with ST18 and ST14 underground mining equipment. The 5533424400 Ball Bearing is designed to support smooth rolling movement and help reduce friction between bearing components during equipment operation. Its hardened steel construction provides durability for demanding mechanical applications where reliable rolling performance is required. As an aftermarket replacement component, it offers a practical solution for replacing worn or damaged bearing elements during routine maintenance and repair. The 5533424400 Ball Bearing helps maintain proper bearing function and supports stable operation of ST18 and ST14 mining equipment.