Linear bearing 1)High technology & top quality 2)Conform the ISO9001:2008 standard 3)Good model supplier 4)reasonable price Linear bearingWe can supply all size of linear bearings inculding inner diameter is 3mm ,4mm ,6mm ,8mm ,10mm ,12mm ,13mm ,16mm ,50mm ,60mm ,if need any further information ,please feel free contact us by e-mail or by fax . Linear bearing