Changzhou Longyu Needle Roller bearings Factory professionally produce Needle roller bearings , which include one-way bearings , drawn cup needle roller bearings and full complete needle roller bearings with or without inner ***** main models we manufature are :HF、HFL、HK、BK、K、NA、NK、RNA、NAV、RNAV, ect.we guarantee excellent quality with competetive prices and prompt delivery , in addition , we provide very good after-sale services, welcome all the friends to call us and have friendly operation!