Companion Flanges
(D)	1.125
(A)	3.875
(B)	3.125
(C)	2.375F
(E)	1.875
(F)	2.062
(K)	.250
Holes	4x.375

Companion Flange - Rectangular w/Straight Round Bore 1310 series, Ø1.125 Bore w/0.250 keyway Ø2.375-F pilot, Ø1.875 hub diameter