Special Features:

Unthreaded bore dia.: 0.453" nom.; raised face thickness: 0.125" nom.; positioning facility bolt circle dia.: 5.376" nom.; positioning facility qty: 6; positioning hole style: plain; bore counterbore feature: included; keying facility qty: 1; keying facility: included; counterbore location: hub end; o/a outside dimension: 6.220" min., 6.250" max.; hub od: 3.750" nom.; raised face dia.: 3.246" min., 3.248" max.; thread provision: unthreaded; distance from center of bore to bottom of keyway: 0.882" min., 0.885" max., and or 0.699" min., 0.702" max.; keyway wd: 0.374" min., 0.375" max.; taper minor dia.: 0.978" min., 0.981" max.; flange thickness: 1/2" nom.; counterbore depth: 0.250"nom., and or 0.938" nom., and or 0.063" nom.; counterbore dia.: 2.938" nom., and or 2.250" nom., and or 2.125" nom.

Properties:

A mechanical item used to connect a shaft and the mating member of a flexible or rigid coupling.