Clearly the bearings can be replaced. The question is, why did they go bad? As well as, did the gears get damaged.
I doubt you can repair it for what you can buy a used one for.


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.