deep groove ball bearing with 72mm od :1,ABEC-3,5;Z2V2,Z3V3 2,High ... bearing is a specialized manufacturer of deep groove ball bearing with 72mm od. Features:1),Shield / closure: Open,Teflon Sealed,Rubber ... , ABEC-73),Vibration level codes: V4, V3, V2, V14),Internal clearance codes: C0,C2, C3, C4, C55),Material: AISI52100, AISI440C, AISI304 ...