A34339 Bearing cone Fits Case 1150B, 1150C, 1150D, 1155D, 1150E, 1155E, 1150G, 1One New Aftermarket Replacement Bearing Cone for Case Crawler Dozers This tapered roller bearing cone (inner ring assembly) is a final drive component used in the Case 1150 and 1155 series crawler dozers. It is installed in the final drive housing and works in conjunction with a matching bearing cup (outer ring) to handle the combined radial and thrust loads generated during dozer operation. Each machine requires two of these bearing cones per final