... -2000,High quality,low price 3.OEM service linear bearing: 2.Rod End Series: PHS, POS, PHSA, POSA, SI.E, SI..ES ... materials like brass,bronze,iron,or steel and often plated with zinc or chromiumNon-mentallic materials like plastic,nylon 4.Rod ... series(3)angular contact spherical plain bearings GAC-S series GAC-T series GACZ-S series(4)spherical plain thrust bearingsGX-S series GX-T series. linear ...