A special single or multiple-row roller bearing, rigid or self-aligning, and constructed with either inside threaded, plain hollow, maile threaded, or solid shank.
0.2500 inches nominal bore diameter, 1.7800 inches nominal overall length, 1.3800 inches nominal length from bore center to shank end, 0.3500 inches nominal outer ring width, 0.4370 inches nominal inner ring width