L30821 Bearing cup Fits Case 1150B, 1150C, 1150D, 1155D, 1150E, 1155E, 1150G, 11One New Aftermarket Replacement Bearing Cup for Case 1150 Series Crawler Dozers This tapered roller bearing cup (outer race) is a final drive component for Case 1150 and 1155 series crawler dozers. It serves as the outer ring of a tapered roller bearing assembly in the final drive, where it works in conjunction with the bearing cone to support radial and axial loads during operation. Two bearing cups of this type are required per machine. Compatible