Eureka VG-II Chrome Brush Roll - Ball Bearing Part # 53270.
The Vibra-Groomer II brush roll fits most 12" Sanitaire models.
Including Eureka Model: s677, s648, s647, sc684 sc886, sc887, sc888, 1495A, 1923B, 1942B, 2034B, 2034DT, 2034E, 2039AT, 2059A, 2101B, 2122A, 2122B, 2124A, 2134BT, 2134A, 2134DT, 2134ET, 2320B, 2320BT, 2330B, 5049B, 5130B, 5134A, 5134B, 5134A, 5140AT, S649A, S655A