... your needs5. Can provide small & miniature standard and non-standard ball bearings.low vibration, low noise, high precision and durableApplicationUsage: household ... , medical facilities, communication devices, office facilities and motor industrydeep groove ball bearingWe have Open, Z, ZZ, RS, 2RS,RZ, 2RZ.N ... divided into Z1V1,Z2V2,Z3V Door Bearing OUKIN Deep Groove Ball Bearings 6416