... CRY...V, CRY...VUU, ETC, CR, CRH2) Material: GCR 15, with the hardness of 56-65HRC.3) Main products: Yoke type track ... roller and stud type track roller Yoke type track : with IR and without IR, TN= ... NATR5 ppx 4) Drawings and parametersManufacturers abroad IKOINA/SKFMc.GILLNSK With cage Cylindrical Roller Dia. UNSEALEDNARTNATR..XMCYRR..XFY, CJ SEALEDNART.. ...