Ningbo Mogen Bearing Co., Ltd. is specialized in producing 3 -12mm (Metric system series) and 1/ 8" -1/ 2" (British system series) miniature and small-size deep groove ball bearings, small ball bearing for twenty years. Now it has about 800 employees with specialized skills and has an annual output of 120 million sets. Now we have established the long-time cooperation relationship with many excellent enterprises such as Valeo, Panasonic, Nidec, Gree, etc, which proves the high reliability and precision of our small ball bearings, R4ZZ, R4ZZ Deep groove ball bearing products.