Just replaced the inner bearing. Solved!

It costs me 5,800 (for surplus bearing + labor) though because I was "hold-upped" so to speak. When the mechanic popped open the inner joint we saw one busted bearing and I can't leave my car shop to buy new one on my own, so the mechanic "canvassed" (daw) to the nearby banawe shops and came back an hour later leaving me 2 choices: replace with surplus axle assemby for 11.5K or surplus inner bearing for 5.8K. If my understanding is correct from another shop brand new inner bearing costs around 4K. But of course I cannot leave my car in the hands of would've been disappointed mechanics if I buy my own part and have it done in another shop nor have the busted bearing installed back (after I saw how busted it is).

Anyhow, charged to experience.

Thanks guys