Hey guys,
here's a video guide on the gear / stats / strategy to kill Belial on Inferno Difficulty:
Part 1:
Diablo 3 Barbarian Inferno Belial Solo Gameplay Guide Walkthrough HD 1080p Part 1 - YouTube
Part 2:
Diablo 3 Barbarian Inferno Belial Solo Gameplay Guide Walkthrough HD 1080p Part 2 - YouTube
Enjoy!