WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Bent Cage
Courtesy of GENERAL MOTORS CORP.
A damaged cage due to improper handling or improper tool usage. Replace the bearing.