... C3.. Lily bearing is a specialized manufacturer of deep groove ball bearing with 72mm od.Features:1),Shield / closure: Open,Teflon ... 5, ABEC-73),Vibration level codes: V4, V3, V2, V14),Internal clearance codes: C0,C2, C3, C4, C55),Material: AISI52100, ... Open Bearings Rubber Seals Bearings Teflon Sealed Bearings Flanged Ball Bearings Thrust Ball Bearings Hybrid Ceramic Bearings Hybrid Ceramic Bearings