... Heavy-duty bearingDouble-row ball slewing bearing ,Crossed cylindrical roller slewing bearing ,Single-row-4-point Contact Ball Slewing Bearings ,Three ... TermT/T,L/CApplicationWidely used in machine tools ,heavy-duty equipment , construction machinery, oil drilling , ... packedMarketEurope,America,Middle East,Asia,etc. Three-row Cylindrical Roller Combination Slewing BearingsDesignationsDoundaryBasicload ...