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.
0.1895 inches minimum and 0.1915 inches maximum bore diameter, c18a acft end item identification, rigid alignment type, 0.3070 inches minimum and 0.3120 inches maximum inner ring width, 1.2400 inches minimum and 1.2600 inches maximum length from bore center to shank end