deep groove ball bearing with 72mm od :1,ABEC-3,5;Z2V2,Z3V3 2,High speed 3, ... a specialized manufacturer of deep groove ball bearing with 72mm od.Features:1),Shield / closure: Open,Teflon Sealed,Rubber Seals,2 ... , V2, V14),Internal clearance codes: C0,C2, C3, C4, C55),Material: AISI52100, AISI440C, AISI304, AISI316, Ceramic6),Retainer: PTFE, Nylon, PEEK Or ...