Part Information
Between half of coupling has a raised face 1/4 in. Thk, 3.748 in. @dim., designed to fit into counterbore of other half, hub tapered to 1/4 in. On largest bore end, hub tapered to1/2 in. On smallest bore end; counterbore diameter: first end, 3.250 in. ; second end, 3.750 in. And 3.751 in. , and 3.250 in. ; counterbore depth: first end, 0.750 in. ; second end, 0.500 and 0.750 in. ; taper length: first end, 4.000 in. ; second end, 4.500 in. ; distance from center of bore to bottom of keyway: first end, 1.3745-1.3755 in.; second end, 1.3070-1.3080 in.; flange width: 3.000 in. ; taper per foot: both ends, 0.625 in. ; hub diameter: 4.000 in. ; 1 keying facility at each end; keying facility width: both ends, 0.500 in. ; keying facility length: both ends, 3.250 in.