how hard?

Hello, how hard is it to install new outer and inner wheel bearings ?. 1980
coupe de ville.My car has 46,000 miles on it, would it be due for wheel bearings?.
Tnx creeker

Forgot to ask, does anyone know of a website that shows step by step installation of wheel bearings?. Tnx

Forgot to ask, does anyone know of a website that shows step by step installation of wheel bearings?. Tnx

Buy a Haynes or Chilton manual for about $20 at parts stores, Walmart, Barnes & Noble, etc. Fully explained with lots of drawings.

Very easy to do since it's a rear wheel drive car! Just remove the rotor by the large nut in the center, and the bearing will come off.