Abstract
Abstract Many industrial bearings do not operate with an abundant supply of lubricant. Bearings that are fed with wicks, pads, and drop-feed oilers, for example, are found in this category. It has been demonstrated that a certain volume of lubricant must be supplied to a journal bearing to permit the formation of a complete hydrodynamic fluid film. Since it is generally desirable to have bearings operate with a fluid film in order to develop the least friction and wear, the question of determining the minimum rate of feed in order to insure such operation is of some importance. The work described in this paper has resulted in a method which appears promising for predicting the minimum feed rate for a journal bearing. The minimum feed rate is evaluated in terms of speed, load, clearance, and size of bearing. The method is based on a theoretical analysis supplemented by experimentally determined constants.
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