... -5000 3.ISO:9001/2000 Needle bearing(good quality) INA NA4905-INA/IKO Needle bearing(good quality) 1.Types:HKseries,KRseries,NAseries,,NATRseries,NUTRseries ... :ABEC-1,ABEC-3,ABEC-56.Main application: Needle roller bearings are widely used in machine tools, metallurgical machinery, textile machinery ...