1.3122" bore diameter integral seals are formed by extending the lands of the outer ring to within 0.0040 in. min to 0.0050 in. max of lands of the inner ring, od fractured at one point, alternate ball type bearing with alter wating undersized balls single row inner ring extended both sides
3.1875" bore diameter extended inner ring, 20.0 deg taper to 2.9375 in. dis min to 2.9380 in. dia max id by 0.495 in. deep straight id, six 10-32unf-3b threaded holes in extendd inner ring face 0.3438 in. deep; lubricate with oil per mil-h-5606