Well again, I always heard and assumed the same thing... ..so I thought to try it out. The Glyco's are definitely a tri-metal bearing.
Quote:
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A modern trimetal bearing infact has five layers: The nickel barrier plating prevents or limits diffusion of metallic components from the babbitt anti-friction layer into the copper/lead. supporting layer and vice versa.
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The tin flash coating is, as previously mentioned to protect and provide a dry lubricant.
