Bushing 1.product:JFB bushing 2.material:CuZn25Al6Mn4+Graphite 3.JFB bearings use high grade metal alloys as their base material and have finely finished surface with holes in which a specially formulated solid lubricant embedded.the lubricant cover to 25-30% of the working surface .During operation the lubricant film is deposited automatically over the complete moving surface 4.Tech data: