... Z2V2, Z3V33. Five years' experience4. Prompt deliverySpecial properties1. High accuracy2. Low noise3. Low weight4. Can be customized according ... and non-standard ball bearings.low vibration, low noise, high precision and durableApplicationUsage: household appliance, medical facilities, communication devices ... grades are divided into Z1V1,Z2V2,Z3V3. high speed deep groove ball bearing 6200 2RS ZZ