The Flange Bearing (OEM Part No. 3128323915) is a spare part compatible with Simba E70, Boomer M2D, Boomer M2C,Boomer S1D underground drilling rigs. Manufactured from durable alloy steel, it serves as a bearing component for the Boomer series feed beam drive support system at the feed beam flange bearing mount position. It reduces friction, supports shaft movement, and ensures smooth operation of feed beam assemblies during drilling. Designed for underground mining conditions, this flange bearing provides reliable wear resistance and stable performance. Precise OEM dimensions ensure easy installation and long service life.