1,low noise 2,long life 3,high precision Deep groove ball bearings are used in home appliances, electric tools, ... machinery, industrial gearboxes, pumps, agricultural machinery, etc. Specifications:1. High accuracy, High speed,High precision,long life,no noise2. ISO/TS16949 ... % T/T against the faxed oringinal B/Lcopy. single row deep groove ball bearing 6700