diagram of front and rear wheel bearing assembly. on 1996 Geo Prizm

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
roaring noise even when front and rear beareing assymblies have been replaced.
(1) Answer

Check one of those sources for great illustrations and manuals that the Pros use.

Have you checked your tires for wear pattern that can be very noisy?