| 摘要 |
A spherical plain bearing having dual sealing capability includes an outer race bearing member having an outer ring and an inner race bearing member having an inner ring, the inner ring being located within an opening defined by the outer ring. The opening is defined in part by two generally opposed peripheral edges with a spherical concave bearing surface extending therebetween. The inner ring defines a bore extending therethrough and a spherical convex bearing surface engagable with the concave bearing surface defined by the outer ring. A first ring seal is positioned in a first seal groove defined by the outer ring and is inboard of a first face surface defined by the outer ring. The outer and inner rings, or at least portions thereof, are heat treated using one of carburizing, nitriding, or nitrocarburizing.
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