Bearing 1.product:ztom20 prelubricated bearings 2.Material:POM with lead0.3--0.5mm, porous bronze 0.2--0.3mm, steel backing, copper plating 0.002mm 3.The bearing can be appiled in auto chassis ,forging machines ,metallurgical,civil engineering,power station ,strill rolling industary. 4.Tech data: