Large Nut-bearing parts,appliable for superthin gringding mill with type HGM8021/10027,SCM8021/10027,XZM221/227. Large nut-bearing parts,appliable for superthin gringding mill with type HGM8021/10027,SCM8021/10027,XZM221/227. Material Content: cast-steelMounting position:top end of main shaftUpdate Date:2011-4-2 2:43:08