Ooops! My bad will try and edit (not sure if I can now you've quoted me though!

Yep it worked!

 

No problem, we humans make misteaks!

 

You may not be able to confirm this but if they did not ground (earth) the pulley when welding, say by connecting the welding cable ground to a supercharger bolt or elsewhere it could result in arcing through the bearing. This is definitely contrary to standard industry practice when welding machinery and moving parts.