... delivery .Detailed Product Description1. Good quality and competitive price2. Precision level Z1V1, Z2V2, Z3V33. Five years' experience4. ... non-standard ball bearings.low vibration, low noise, high precision and durableApplicationUsage: household appliance, medical facilities, communication devices, ... facilities and motor industrydeep groove ball bearingWe have Open, Z, ZZ, RS, 2RS,RZ, 2RZ.N,NZ.The ...