Welding bearing damage - Miller Welding .
Welding bearing damage 11-30-2011, 06:22 PM . Just wondering if anyone has experience with bearing damage caused by welding. I discovered that four one inch tack welds were made on a piece of machinery. The ground was clamped in a position where the current likely flowed through a huge bearing when these tacks were welded. I am concerned about what could have happened even though the .