Self-lubricating bearings incorporate fabric woven of Teflon® PTFE fiber. Both the static and dynamic coefficients of friction of fabrics woven of 100% Teflon® PTFE fiber are virtually identical, allowing for the elimination of “stick-slip” behavior in self-lubrication bearing applications. Because Teflon® PTFE fibers are processed to a higher degree of molecular orientation than their resin counterparts, the stress-strain properties and resistance to cold flow of fabrics woven of Teflon® PTFE fiber are markedly improved over those of PTFE films. Fabrics woven of Teflon® PTFE fiber in resin-impregnated or composite bearings are very stable, quiet, and reliable. Because they require no lubrication, they do not contribute to equipment contamination and require less maintenance. Bearings incorporating fabrics woven of Teflon® PTFE fiber are commonly used in aerospace and automotive applications, office machines, and off-road equipment.
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