摘要 |
A journal bearing system (20) includes a bushing (24) and a journal pin (22) within the bushing (24). At least one of the bushing (24) and journal pin (22) has an engagement surface (32, 35) with an engagement length (L) comprising a base material and a solid lubricant. A concentration of the solid lubricant varies along the engagement length (L). <IMAGE>
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