Kristin, not knowing a single solitary thing about wheel bearings, I did a Google on it. I found this website, which tells WHY you do annual maintainence on wheel bearings...and HOW to do it yourself.
Hope this helps you.
Good luck. Welcome to our Forum, keep on coming back!! Enjoy that fiver, and when you travel, keep in touch and send photos!! :)
Shucks, keep in touch ALL the time, we enjoy our Forum Friends!!! Grin..