An assembled inner component of a roller bearing, consisting of a frame or inclosure which spaces and retains the rolling elements of a bearing, roller (as modified) and the rollers which are the rolling elements in a bearing, roller (as modified).
5.1950 inches minimum and 5.2070 inches maximum outside diameter, steel retainer material, steel comp 5140 roller material, 3.5050 inches minimum and 3.5200 inches maximum bore diameter, pressed retainer fabrication method