You are on the right track, usually these bearings need to be pressed out on a hydralic press or with a bearing removal tool. Here is the procedure for your Saturn.
FRONT SUSPENSION -2000 Saturn SC2 Page 1 of 1
NOTE: If hub or wheel bearing is removed from steering knuckle, install a NEW wheel bearing.
1.Remove steering knuckle and hub assembly. See STEERING KNUCKLE & HUB ASSEMBLY . Remove ABS wheel speed sensor from steering knuckle (if equipped). 2.Assemble following components from Wheel Bearing/Hub Remover/Installer Kit (SA9159S): hub driver, hub driver screw, bridge retainer and bridge. See Fig. 2 and Fig. 3 . Clamp entire assembly (by bridge) in a vise. 3.While holding hub driver using a wrench, tighten hub driver screw to extract hub. If inner race of bearing is pulled out along with hub, remove inner race from hub using following kit components: inner race puller, 2 bridge retainer plates, 2 bolts and 2 flat washers. See Fig. 4 . Replace hub if area on hub where bearing rides is pitted, scored, worn or corroded. 4.Remove steering knuckle from vise. Remove bridge retainer and bridge from steering knuckle. Remove bearing retaining snap ring. Place steering knuckle in shop press with knuckle support tube and small driver. 5.Press out bearing. Lightly sand steering knuckle bearing bore if pitted, scored, worn or corroded. If light sanding does not correct these conditions, replace steering knuckle. After sanding, remove residue with soap and water, flush with clear water and dry with compressed air. After drying, oil lightly.
1.Set new bearing into steering knuckle bore. Press in bearing. Place steering knuckle and hub into press. Press steering knuckle onto hub. 2.Install bearing retaining snap ring. Install ABS wheel speed sensor onto steering knuckle (if equipped). Tighten sensor bolt to specification. See TORQUE SPECIFICATIONS . Install steering knuckle and hub assembly.
Fig. 2: Assembling Wheel Bearing & Hub Remover/Installer Courtesy of GENERAL MOTORS CORP.
Fig. 3: Extracting Hub Assembly Courtesy of GENERAL MOTORS CORP.
Fig. 4: Removing Inner Race From Hub Courtesy of GENERAL MOTORS CORP.
You didn't specify model so I used SC2. Other should be the same.