... speed, long life 4.Prompt delivery,OEM service needle bearing: Needle roller bearings have a high load carrying capacity in ... , F , FH , MF , MFH , FY , HF , HFL series2) Needle roller and Cage assemblies : K , K-ZW ,K-K ,K ... -ZWD series3) Heavy duty needle roller bearings : NK , NKS , RNA49,RNA69,RNA48,NKI,NKIS , ... TO MORE INFORMATION,WELCOME TO CONTACT WITH US SKF needle roller bearing