deep groove ball bearing 17x70x23 :1,ABEC-3,5;Z2V2,Z3V3 2,High speed ... level:Z1,Z2 5,C2,C0,C3.. Lily bearing is a specialized manufacturer of deep groove ball bearing 17x70x23.Features:1),Shield / closure: Open,Teflon ... : AISI52100, AISI440C, AISI304, AISI316, Ceramic6),Retainer: PTFE, Nylon, PEEK Or Stainless Steel7),Bore Size:from 1mm to 10mm8),Outside Diameter:from ...