Part Information
0.250 to 0.260" dia. X 77 to 87 deg. Countersunk on securing holes; unthreaded bore dia.: 0.323" mon., 0.328" max.; positioning facility bolt circle dia.: 2.245" min., 2.255" max.; positioning facility qty: 2; hole thread size designator: 1/4-20 nc-2; positioning hole style: plain; threaded hole location (1) hole located on top of keyway, (1) hole 180 deg. From keyway 0.340 to 0.348" from face end; threaded hole qty: 2; securing method: threaded hole; bore counterbore feature: not included; keying facility qty: 1; o/a outside dimension: 2.984" min., 3.016" max. ; hub od: 1.490" min., 1.510" max.; thread provision: unthreaded; distance from center of bore to bottom of keyway: 0.465" nom.; keyway wd: 0.1880" min., 0.1890" max.; flange thickness: 0.245" min., 0.250" max.