The Bushing Half (OEM Part No. 3128310426) is a bearing spare component compatible with Simba E70, Simba M4C, Simba E7C, M40S, underground drilling rigs. Manufactured from bronze, it is designed for the rock drill assembly bushing position. The component provides smooth sliding support, reduces friction, and maintains proper alignment of mechanical parts during drilling operations. Its durable bronze construction offers excellent wear resistance and reliable performance in demanding underground mining environments. This OEM replacement bushing half helps improve equipment stability, operational efficiency, and service life of the drilling assembly.