1)Material:bearing steel 2)High precision 3)Good quality and reasonable price ... )Can meet customers' requirements We are manufacture of needle roller bearing .The quality of our product is good!If you have ... ,KRV,NUKR,CRY…V,CR,CR…R etc)Combined Radial-Thrust Bearings (NKIA, NKIB, NX, NX…Z, NKX, NKXR etc ...