right front Suspension noise - suspension diagram

I have a 2001 Camry, Well taken care of, although we live off a dirt road. At slow speeds I can here a noise from the right front wheel-- sounds like s loose wheel?? a bumping noise --- Checked all the ball joints, checked sway bar bushions, checked front struts. Now this has been going on for about the last 20,000 miles. Can you help me with this problem. My wife thinks the wheel is going to fall off,

Can this be a wheel bearing??? Really not sure all I am doing is guessing-- Please help!! Thanks, Kenneth