A journal bearing has a journal diameter of 3.250 in with a unilateral tolerance of -0.003 in.
Question:
A journal bearing has a journal diameter of 3.250 in with a unilateral tolerance of -0.003 in. The bushing bore has a diameter of 3.256 in and a unilateral tolerance of 0.004 in. The bushing is 3 in long and supports a 800-lbf load. The journal speed is 1000 rev/min. Find the minimum oil film thickness and the maximum film pressure for both SAE 20 and SAE 20W-40 lubricants, for the tightest assembly if the operating film temperature is 150°F.
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Given d max 3250 in b min 3256 in l 3 in W 800 lbf and N 1000 revmin Fig ...View the full answer
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Related Book For 
Shigley's Mechanical Engineering Design
ISBN: 9780073398204
10th Edition
Authors: Richard Budynas, Keith Nisbett
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