6200 series deep groove ball bearing:1,ABEC-3,5;Z2V2,Z3V3 ... :Z1,Z2 Lily bearing is a specialized manufacturer of 6200 series deep groove ball bearing. Features:1),Shield / closure: Open,Teflon ... -7 3),Vibration level codes: V4, V3, V2, V1 4),Internal clearance codes: C0,C2, C3, C4, C55),Material: AISI52100, AISI440C ...