A special single or multiple-row ball bearing, rigid or self-aligning, and constructed with either a solid or hollow shank, internally or externally threaded.
0.4370 inches minimum and 0.4375 inches maximum bore diameter, 2.1150 inches minimum and 2.1350 inches maximum length from bore center to shank end, 1.1400 inches minimum and 1.1600 inches maximum overall outside diameter, 0.4470 inches minimum and 0.4570 inches maximum outer ring width, 0.5600 inches minimum and 0.5620 inches maximum inner ring width