Be prepared to sweat a bit getting the spindle off. They are usually a SOB to get off. Also, as long as you have the axle shafts out, that would be a good time to go ahead and replace the u-joints on the shafts. take a good look at the dust shields, also, and make sure they're not bent.

1977 CJ-7, fiberglass body, AMC 360 w/ headers, DUI ignition, Edelbrock intake and Holley 4150 carb, TF999, Dana 300, 4.56 gears lockers, York air comp, 4" susp lift, 2" body lift, BFG 35" M-T tires, Megashifter, AGR pump & box, REP8000 winch.