A reconditioned motor with new ball bearings is placed on a truck for delivery. The shaft turns
Question:
A reconditioned motor with new ball bearings is placed on a truck for delivery. The shaft turns freely, indicating that the bearings are properly installed. The motor gets to the customer, and after three months of running, the bearings are showing “bad” signatures. What is the logical diagnosis?
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There are a couple of possibilities for why the bearings are failing after three months despite init...View the full answer
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Related Book For 
Rotating Machinery Reliability For Technicians And Engineers
ISBN: 271009
1st Edition
Authors: W. Ron Brook
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