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Old January 19, 2021, 12:58 AM   #20
JohnKSa
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Join Date: February 12, 2001
Location: DFW Area
Posts: 23,592
Quote:
I would not use an anti-sieze compound as a lubricant. Why not? Because (in a non-firearms application) I tried that a number of years ago. It was a dismal failure. A replacement bearing that should have lasted a minimum of ten years in normal service lasted a week. The next time I used grease.
You don't say what kind of bearing, but based on the ingredients in anti-seize, I would think it would be a really horrible choice for something like a roller bearing. Maybe not too bad for sliding contact as long as there's some clearance. It's made to prevent binding/sticking and it does that really well, but it's a sort of special purpose lubricant--not for general use. At least some types of anti-seize specifically warn against use with roller or ball bearings or in high-speed applications.
Quote:
I just want to clarify, Is galling, wearing?
Think of it as two surfaces that are supposed to slide, sticking to each other instead. So little bits from one surface are pulled out by the other surface and dragged across the surface as the two parts move with respect to each other. Instead of two hard surfaces abrading each other, you have two "sticky" surfaces sort of ripping each other apart a tiny bit at a time. It is wear, but it's a sort of unique kind of wear.

The solution is to make sure that the two stainless steel surfaces are not too similar. They can either be different alloys or can be hardened to significantly different levels. Or, one can use a lubricant that is very persistent. I once had some trouble with a folding knife that would gall and I was unable to find any oil that would deal with the problem satisfactorily. I ended up going with a dry lubricant, but I expect a grease or anti-seize would have worked just as well.
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