... precision P5 2.Low noise . 3. Ready stock and prompt delivery 4.With less coefficient of friction, high ... C3 1,About usWe have been 8 years of sales experience, along futures fast, high quality, ... in Japan, koyo bearing, and iko bearings. 2,Model of Deep Groove Ball Bearings Item NO.DescriptiondDBBrand618/1~618 ... largest production volume, most widely used of a class of bearings. It is mainly used for a ...