... ,plain retaining ring,axial guiding, yoke type track rollers RSTO and STO type yoke type track rollersENKE series yoke type track ... forming a complete unit,the sealing cage,together with the thrust retaining ring form an efficient gap sealing.Very heavy load ... different loads.This will decrease the life of the bearing. Roller bearings /Cam follower RSTO,STO ,NATR,NATV,NUTR....