... 2..competive price&good service 3.high quality&low noise,long life Deep groove ball bearings mainly take radial load as ... well as take moderate axial load. With less coefficient of friction, high ... .Model:Open,Z,ZZ,RZ,2RZ,RS,2RS2.Quality level:reach the same level as tyhe Japanese ... 6304/6305/6306/6307/6308/6309/6310 deep groove ball bearing 16007