... 1..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. which has many kinds of sizes and could make ...