High speed self-lubricating bearing-seal assembly

Details High speed self-lubricating bearing-seal assembly High speed self-lubricating bearing-seal assembly

F - Mech Eng,Light,Heat,Weapons

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F16J 15/54 (2006.01) F16C 17/02 (2006.01) F16C 27/06 (2006.01) F16C 33/20 (2006.01) F16C 33/74 (2006.01)

Patent

CA 1307310

HIGH SPEED SELF-LUBRICATING BEARING-SEAL ASSEMBLY ABSTRACT A high-speed self-lubricating bearing-seal assembly comprised of an annular bearing-seal composed of readily moldable, self-lubricating, plastic material having a pressure velocity value at least equal to 1800 at 100 feet per minute surface speed, and an elastic combined spring and seal member biasing the bearing-seal. The elastic member is located behind the bearing-seal and is formed of a readily flowable rubber-like material, con- sisting of a combined spring and seal which gently urges the bearing-seal against a sealing surface. The elastic member is generally right-angled polygonal in cross- sectional shape and has concaved sides and convex corners, its minimum radial dimensions between the corners being 60-70% of its maximum radial dimensions. A salient feature of the assembly is that it is a dry bearing-seal, in that no lubrication is required other than that inherent in the bearing-seal member, yet it outlasts other lubricated bearings by a wide margin.

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