... compensated. StructureModel NameRSTO No retaining edge in outer ring, yoke type track rollers without inner ringSTO No retaining edge in ... track roller, full complement needle roller typeNUTR Rolling body guiding, yoke type track rollers, full roller type. 1. RSTO and ... The operational temperature range is -20-120. When fitting the yoke type track rollers without inner rings (RNA222RS) series, notice ...