linear bearing 1.high quality of bearing and packaging 2.ISO9001:2000 3.SKF,NSK,FAG 4.shorter delivery time linear ... bearingDetails: (1)Shield / closure: Open ball bearing, Z, ZZ, RS, 2RS ... PTFE, nylon, PEEK or (stainless)steelLinear BearingsDetails:Linear bearings have the characterized of smooth movement,low frication ... NICHI,FAG,and so on. linear bearing