The Roller (OEM Part No. 3177006001) is a wear component compatible with EST 1030, Boomer 291, Simba H1354, SIMBA H1254, Boomer 281, and other underground drilling rigs. Manufactured from hardened alloy steel, it is designed for feed and guide rolling support applications within drilling rig systems. The roller reduces friction between moving assemblies, supports smooth feed movement, and maintains accurate positioning during drilling operations. Engineered for demanding mining environments, it delivers excellent wear resistance, impact strength, and extended service life. OEM specifications ensure reliable performance and easy replacement.