A natural-circulation pillow-block bearing has a journal diameter D of 2.500 in with a unilateral tolerance of

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A natural-circulation pillow-block bearing has a journal diameter D of 2.500 in with a unilateral tolerance of −0.001 in. The bushing bore diameter B is 2.504 in with a unilateral tolerance of 0.004 in. The shaft runs at an angular speed of 1120 rev/min; the bearing uses SAE grade 20 oil and carries a steady load of 300 lbf in shaft-stirred air at 70◦F. The lateral area of the pillow-block housing is 60 in2. Perform a design assessment using minimum radial clearance for a load of 600 lbf and 300 lbf. Use Trumpler’s criteria
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Shigley's Mechanical Engineering Design

ISBN: 9780073398204

10th Edition

Authors: Richard Budynas, Keith Nisbett

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