Bearings are key components for the stable operation of mining equipment and are widely used in various core production machinery. In the mining process, the slewing mechanism and boom cylinder of excavators rely on self-aligning roller bearings to withstand heavy loads and impacts, while rock drills use needle roller bearings to adapt to high-frequency vibrations in compact spaces; In the beneficiation process, the main shafts of ball mills and rod mills use double row self-aligning roller bearings or sliding bearings to support the huge weight of the cylinder and compensate for installation deviations. The exciter of the vibrating screen operates at high speed through deep groove ball bearings or angular contact ball bearings to ensure efficient screening of materials; In addition, the drum shaft of the mining belt conveyor uses cylindrical roller bearings to transmit power, while the axle and hub of the mining truck are equipped with tapered roller bearings to withstand both radial and axial loads, ensuring the continuous and reliable operation of mining transportation.