NUTR type cam followers are metric yoke type track rollers. They have full complement inside structure with double-row cylindrical rollers.All the parts of the bearings are pressed into the sealing cage of outer ring forming a complete unit,the sealing cage,together with the thrust retaining ring form a efficient gap sealing. Very heavy load can be used on this yoke type track rollers.Even with very hig speed,it can bear impact axial load due to its axial guidance of its rolling boies.