Arched Outer Race Ball Bearing Analysis Considering Centrifugal Forces
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Arched-outer-race Ball-bearing Analysis Considering Centrifugal Forces
Author | : Bernard J. Hamrock |
Publisher | : |
Total Pages | : 44 |
Release | : 1972 |
Genre | : Ball-bearings |
ISBN | : |
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A first-order thrust load analysis that considers centrifugal forces but which neglects gyroscopics, elastohydrodynamics, and thermal effects was performed. The analysis was applied to a 150-mm-bore angular-contact ball bearing. Fatigue life, contact loads, and contact angles are shown for conventional and arched bearings. The results indicate that an arched bearing is highly desirable for high-speed applications. In particular, at an applied load of 4448 n (1000 lb) and a DN value of 3 million (20,000 rpm) the arched bearing shows an improvement in life of 306 percent over that of a conventional bearing.
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