Fits: 450, 450A-H Models. 455D-G, 550, 550A, B, G, H, 555, 555A, 555B Part # 12 in picture
For press fit style roller stands. Top carrier roller assembly w/ bushings less stand. CAST/MARKED # T32055. Verify cast number before ordering
OEM Reference AT167254
Must order seal ID357 w/ top roller