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).
steel roller material, 2.0448 inches minimum and 2.0456 inches maximum outside diameter, 0.9369 inches minimum and 0.9372 inches maximum bore diameter, 0.8340 inches minimum overall width, steel or plastic polyamide (nylon) retainer material