... stock,quick delivery 3.ISO9001:2008 approved 4.samples available linear bearingDetails: (1)Shield / closure: Open ball bearing, Z, ... (6)Retainer: PTFE, nylon, PEEK or (stainless)steelLinear BearingsDetails:Linear bearings have the characterized of smooth movement,low frication,high ... TIMKEN bearings,UBC Bearings;France SNR Bearings and a series of China bearin(SP Bearings,HRB Bearings,LYC Bearings, ...