The Roller (OEM Part No. 3128257841) is a mechanical spare part compatible with Epiroc underground drilling rigs, including S10M, Boltec S, 235 Boltec, Boltec-MC, Boltec-S, and Boomer MD models. Manufactured from durable alloy steel, it functions as a guide and supporting component in moving or rotating positions. The roller helps maintain smooth mechanical movement, reduce friction, and improve the stability of equipment operation. Designed for demanding underground mining environments, this precision-engineered component provides excellent wear resistance, reliable performance, and long service life for drilling rig maintenance and replacement applications.