The Impact of Some Gear Lubricants on the Surface Durability of Rolling Element Bearings
Date Published: 2006-04-03
Paper Number:2006-01-0357
DOI: 10.4271/2006-01-0357
Citation:
Nixon, H., "The Impact of Some Gear Lubricants on the Surface Durability of Rolling Element Bearings," SAE Technical Paper 2006-01-0357, 2006, doi:10.4271/2006-01-0357.
The additive chemistry of some gear lubricants can have a major impact on the surface durability of rolling element bearings (1). Lubricant formulation has been slanted heavily toward protecting gear concentrated contacts from galling and wear. As such, much of the performance differentiation of lubricants has been dependent on highly accelerated, standardized laboratory tests related to gears. Methods have been proposed to evaluate and quantify a lubricant's performance characteristics as they relate to rolling element bearings (2). Results from several lubricant performance evaluations are presented. The implications of these findings suggest that the detrimental performance effects on rolling element bearings need further fundamental study by the lubricant industry.
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