National utility model patent

　　A coal mine coal conveyor in sealed cylindrical roller bearings

　　2 sliding door roller bearings

　　3 turntable with three rows of cylindrical roller bearings the whole cage

　　4 light-load series with solid cage type double row spherical roller bearings

　　5 of a kind of angular contact ball bearings with metal solid cage

　　6,a kind of planetary gear bearing

　　7 large-aligning roller bearing outer raceway position detection device

　　8 large/extra large cylindrical roller bearing cage

　　9,filled a two-out roller bearings angular contact ball

　　10 large solid cage Spherical Roller Bearings

　　11 a kind of enhanced solid cage thrust spherical roller bearings

　　12 large hollow roller bearings

　　13 small and medium sized bearing seam with cover mold

　　Aligning ring 14 with a double row cylindrical roller bearings

　　15 small and medium sized bearing inner ring locking mold

　　National Invention Patent

　　A light load series with solid cage-type double row Spherical Roller Bearings

　　2 a kind of angular contact ball bearings with metal solid cage

　　3 large/extra large cylindrical roller bearing cage

　　4 a kind of enhanced solid cage thrust spherical roller bearings

　　5 Heart ring with double row cylindrical roller bearings