... -1500mm 3.ISO9001-2000certificate 4various type Needle bearing:1.Material:chrome steel Gcr15 or as requirement2.Size:5-1500mm3.ISO9001-2000certificate4.High ... quality ,low price,OEM service5..Various models available:(1) Drawn cup needle bearing series ... bearing series:NA,NK,NKI,NAV,NAO,HJ,BR,BRI... needle roller