A economical bearing solution compared with conventional copper bearings ZAB is a self-lubricated bearing material, based on cast zinc base alloy with solid lubricants embedded on the sliding surface through unique technique. lSelf-lubricated and maintenance-free. lCompared with copper based bearings, it¡¯s a economical bearing solution. lExcellent wear resistance, longer service life than conventional copper based bearings. lBroadly applied for relative transmission components of plastic-injection machines.