The Bushing Half (OEM Part No. 3128321310) is a spare part compatible with Simba S7D underground drilling rigs. Manufactured from wear-resistant bronze and alloy steel materials, it is categorized as a wear part used in the bearing and sliding support system at the bushing assembly position. This component reduces friction between moving mechanical parts, provides reliable support, and maintains accurate alignment during machine operation. Designed for continuous movement and heavy-duty mining conditions, the bushing half improves wear resistance, minimizes maintenance requirements, and extends the service life of drilling rig mechanical assemblies.