挖掘机回转支承适用于斗山DH的转盘轴承

回转支承适用机型：

斗山DH55 2109-9067A-A-EP，斗山DH60 140109-00005-EP，斗山DH80 K1008340-EP，斗山DH150 140109-00062A-EP，斗山DX150 140109-00050-EP，斗山DX120-9C 140109-00068，斗山DX150W 140109-00012A，斗山DH220-3，DH360-5，斗山DH220 140109-00065-EP(DH220-5)，斗山DH225 140109-00052A-EP(DH225-7)，斗山DH258 109-00030B-A-EP(DH258-7)，斗山DX260 140109-00009A-EP，斗山DH280，斗山DX300LC-9C 140109-00001B，斗山DX300 140109-00006C-EP，斗山DH300 140109-00061A-EP(DH300-7)，斗山DX340-9C 140109-00008B

QND1220.32.DS20，斗山DH370 140109-00051-EP，斗山DX380 140109-00057B-EP，斗山DX420 140109-00007A-EP，斗山DH420 140109-00039-EP，斗山DH500 140109-00040-EP，斗山DX500 140109-00003A-EP

回转支承型号规格：QNA730.22.DS1, QNA730.22.DS2, QND792.28.DS3, QND1103.28.DS4, QND1103.28.DS5, QND1103.28.DS23, QND1103.28.DS28, QND1212.28.D4, QND1405.50.D12, QND1220.32.DS6, QND1220.32.DS7, QND1295.38.DS8, QND1293.38.DS9, QND1340.38.D8, QND1340.38.DS18, QND1340.38.DS11, QND1340.38.DS10, QND1403.45.DS19, QND1220.32.DS20, QND1408.45.DS12, QND1433.50.DS13, QND1405.50.DS15, QND1405.50.DS14, QNA1532.50.DS16, QNA1532.50.DS17