It shouldnt be to difficult of a job, if you know what your doing.
Assuming this is a front hub,
-Remove the front wheel
-Remove Brake caliper, and hang with clothes hangar, not to put pressure on the line
-Remove rotor
-Remove (36mm?) nut holding the axle on
-Remove axle from Hub Assembly
-Remove 3 bolts holding hub assembly onto the spindle
-Remove Hub
Install in reverse directions.