1)Material:bearing steel 2)High precision 3)Good quality and reasonable ... Can meet customers' requirements We are manufacture of needle roller bearing .The quality of our product is good!If you ... have any anyother requirement,always we can meet you!Series:Drawn cup needle roller bearings (HK, BK, HK…RS, ... ,NUTR,KR,KR…PP,KRV,NUKR,CRY…V,CR,CR…R etc)Combined Radial-Thrust Bearings (NKIA, NKIB, NX, NX ...