0.970" outside diameter 40 thread quantity per inch 32.0 microin finish on id of cbore; 63.0 microin finish on od of raised surface anodize surface treated round unjc thread series
14.780" outside diameter four mounting holes on 12.750 in. dia bolt circle, 0.273 in. dia min to 0.282 in. dia max; 32.0 milroin finish od passivate surface treated round
ab thread class right-hand 0.8750" thread length 2.7813" overall length 14 thread quantity per inch crowned radius od of outer ring, 20.0 in. r oxide all external/exposed metal surfaces surface treated cam follower uns thread series
3a thread class right-hand 0.3440" thread length 1.1935" overall length 28 thread quantity per inch no plating on id of outer ring chromium outer ring surface treated cam follower unjf thread series