wafangdian qunyi bearing manufacturing co.,ltd is specialize in the various kinds of deep groove ball bearing which ID is 100mm-2000mm. ?? ??Main products are:6020--6084;6220--6248;6320--6334M;6420--6422M;61822--618?1180F1;61920--61988;16022--16040M. This bearing is widely used in automobile, machine tool?electric engine?meter?construction machine?railway vehicle?agriculture machinery and other different kinds of machinery?It is the most typical roller bearing with uncomplicated structure and versatility