... groove ball bearings,cylindrical/tapered roller bearings,needle roller bearings,thrust ball bearings,self-aligning ball/roller bearing,angular contact ball bearing ... HM231116D,99587/99102DPrice:0.089-200 USD5)Retainer:Copper cage ,Nylon retainer, Steel retainer, Bakelite retainer,etc6)Quality:ISO9000,ABEC- ... will be offered if necessary. steel cage ,brass cage , Nylon and plastic cage /Bearing Cage