Yoke type roller bearing track rollers are ready-to-fit needle or cylindrical roller bearings of single or double row design.Yoke type track rollers are complete units consisting of an outer ring,a needle roller and cage assembly or a full complement needle or cylindrical roller set, with or without an inner ring.Yoke type roller bearing track rollers are available with or without an inner ring. They are produced with or without axial guidance of the outer ring.