... .ISO9001:2000 3.SKF,NSK,FAG 4.shorter delivery time linear bearingDetails: (1)Shield / closure: Open ball bearing, Z, ZZ, RS ... , AISI316 (6)Retainer: PTFE, nylon, PEEK or (stainless)steelLinear BearingsDetails:Linear bearings have the characterized of smooth movement,low frication,high ... brands,NSK,SKF,TIMKEN,KOYO,NICHI,FAG,and so on. linear bearing