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Compatability of zinc and aluminum as bearing material

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shsmith57

Mechanical
Joined
May 2, 2005
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US
I have a low speed application (less than 5 rpm) in which I'm need to use a zinc casting for the bearing material and aluminum for the shaft (.50"). Can galling occur between the two with or with out lubrication? Loads are less than a 4 ounces.
 
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