Zimmerman, John R. Department of Mechanical Engineering, Pennsylvania State University, University Park, Pennsylvania.
Last reviewed:January 2020
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Contact between bodies such that the relative velocity of the two contacting surfaces at the point of contact is zero. Common applications of rolling contact are speed changers and wheels on roadways. Rolling contact mechanisms are, generally speaking, a special variety of cam mechanisms. An understanding of rolling contact is essential in the study of antifriction bearings. The concepts are also useful in the study of the behavior of toothed gearing. See also: Antifriction bearing; Gear; Mechanism
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