HUB END OD MACHINED TO 3.489 IN. MIN 3.491 IN. MAXDIA 1.375 IN. LG; MAJOR DIAMETER: 2.250 IN. NOM.; BOLT CIRCLE DIAMETER: 7.250 IN. NOM.; MOUNTING HOLE DIAMETER: 0.375 IN. NOM.; OVERALL DIAMETER: 8.000 IN. NOM.; BORE LENGTH: 3.000 IN. NOM.; HUB OUTSIDE DIAMETER: 3.500 IN. NOM.; SHAFT FACILITY SPLINE QUANTITY: 10