TC bearing, also known as cemented carbide bearing, produced by our company, is made by sintering process in high temperature furnace. It is made of the matrix body, tungsten carbide powder and cemented carbide, integrated by sintering and then machined.Strong wear resistance, erosion resistance, high hardness, sintered layer and steel body bonding firmly, no peeling off the block phenomenon, the life of more than 300 hours.We can supply all kinds of radial bearings (TC bearings) on screw drilling tools of all specifications.