"COUNTERBORE 0.500 IN. LONG 2.470 IN. DIA IN BODY WITH 0.125 IN. LONG 3.186 IN. DIA HUB; MAJOR DIAMETER: 1.563 IN. NOM.; BOLT CIRCLE DIAMETER: 5.350 IN. NOM.; FLANGE THICKNESS: 0.5000 IN. NOM.; MOUNTING HOLE DIAMETER: 0.530 IN. NOM.; OVERALL DIAMETER: 6.250 IN. NOM.; BORE LENGTH: 1.120 IN. NOM.; MINOR DIAMETER: 1.438 IN. NOM.; HUB LENGTH: 1.190 IN. NOM.; HUB OUTSIDE DIAMETER: 2.500 IN. MIN.,2.880 IN. MAX.; SHAFT FACILITY SPLINE QUANTITY: 24"