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Thanks for the ideas. This turned out to be heat treat defect in the ball. A failure that was not able to be replicated when tested with more name brand bearings. Lesson learned: Don't let purchasing source bearings just anywhere :)

I've just witnessed a ball bearing failure that I've never seen before. The ball elements failed (not either race). They appeared to crumble. They were split open in two or more pieces each with a brittle looking fracture surface. It was on every ball. This happened at very low life. It is...

I primarily work on mobile equipment powertrain (I break the road). Depending on the complexity, I am confident that I can cover some other areas. The expectation was that it would be a short term, part time deal. I think this may actually be for a toll road.

Hello, I am a mechanical engineer with a PE licence, and was contacted by a civil engineer friend about a highway proposal their company was putting in that asked for the inclusion of a licenced engineer to handle any mechanical design issues. It was not made clear what this may be, and my...

Yes my first thought was to eliminate the ability of debris to get to it. Also, I confirmed that the customer actually values this feature. I have some ideas for surrounding geometry changes that could shield this part, but an improved site glass would be quickest to implement. I like your...

I have an application where we have seen failures on a site glass due to external material (dirt/rocks) impacts. The site glass is ~1" in diameter and made of Borosilicate. Apparently this is essentially "Pyrex". I would like to move towards another material that is more impact resistent...