If you find a bad bearing then you need to replace both shells.
If they are fine then you just put it back together. With prying and tapping you can get the girdle to set in place.

Cheers, Charlie
If It ain't broke, Modify it!
87 Montero turbo Converted back in Spring1989
95 Montero SR 3.8 DOHC Only one?
93 Pajero 3 door 6G75 Mivec with paddle shifted 5 speed
Then a Gen2 SR with full coil independent suspension.