... ISO-001-2000 2.graphite bearing, carbon seal, graphite thrust bearing 3.mini: 50pcs 4.resined impregnation, antimony,et .ISO-001-2000 2.graphite bearing ... , carbon seal, graphite thrust bearing 3.mini: 50pcs 4.resined impregnation, antimony,etcthrust bearing, graphite bearing,thrust bearing ... , long life and high temperature. graphite thrust bearing/carbon mechnical ...