single row deep groove ball bearing 6204 :1,ABEC-3,5;Z2V2,Z3V3 2,High ... bearing is a specialized manufacturer of single row deep groove ball bearing 6204 . Features:1),Shield / closure: Open,Teflon Sealed ... 2 Metal Shield 2),Tolerance codes: ABEC-1, ABEC-3, ABEC-5, ABEC-7 3),Vibration level codes: V4, V3 ... Shield Bearings Rubber Seals Bearings Teflon Sealed Bearingssingle row deep groove ball bearings