Slide hammer bearing puller, aka "blind hole" bearing puller:
This, or something like it:
https://www.harborfreight.com/Slide-Hammer-and-Bearing-Puller-Set-5-Pc-62601.html
Since you likely don't want to buy a puller set and you have access to the other side, you can use an expanding concrete wedge anchor or similar in the center. Get it good and tight then tap the bearing out. Heating the part a bit will help.
I think it would be best to replace that bearing.
This, or something like it:
https://www.harborfreight.com/Slide-Hammer-and-Bearing-Puller-Set-5-Pc-62601.html
Since you likely don't want to buy a puller set and you have access to the other side, you can use an expanding concrete wedge anchor or similar in the center. Get it good and tight then tap the bearing out. Heating the part a bit will help.
I think it would be best to replace that bearing.