An assembly including a seal adapter having a bearing retainer and a bearing, wherein the bearing retainer is cylindrical and has a bearing retainer inside surface and a bearing retainer outside surface, and wherein the bearing retainer comprises a cavity along the bearing retainer inside surface, and wherein the bearing is cylindrical, wherein the bearing has a bearing outside surface, a bearing inside surface, a bearing front surface and a bearing back surface, and wherein, when assembled, the bearing is at least partially within the cavity, such that the bearing outside surface and the bearing back surface are in contact with the bearing retainer inside surface.