Trunnion bush of grinding roller of coal mill
WEBThe utility model discloses a trunnion bush of a grinding roller of a coal mill, which relates to the field of coal mills and comprises a trunnion bush and a Tshaped tool, wherein the trunnion bush comprises a metal inner sleeve, a metal outer sleeve and an elastomer; the utility model discloses an in the keyway with four T style of calligraphy instruments .