... :5-1500mm 3.ISO9001-2000certificate 4various type Needle bearing:1.Material:chrome steel Gcr15 or as requirement2. ... service5..Various models available:(1) Drawn cup needle bearing series:HK,BK,TLA,FY,F,B,BH,BA,SCE...(2 ... seriesCSK,KK,BB,ASNU,TSS,DC ...(5) Combine bearing series:NKIA,NKIB,NKX,NKXR,SL...(6) Cam flowers ... ,KT,KBK,KZK,KZW...(9) Heavy duty roller bearing series:NA,NK,NKI,NAV,NAO,HJ,BR,BRI ...