Question 78General Subjects - Assistant Engineer
70% to passA ball or roller bearing has an interference fit with the shaft upon which it is being installed with a hydraulic or arbor press. Upon what surface should the sleeve of the press be applied?
Athe shaft
Bthe inner race
Cthe outer race
Dthe housing
AI Explanation
The correct answer is B) the inner race. When installing a ball or roller bearing with an interference fit, the press sleeve should be applied to the inner race of the bearing. This is because the inner race is the component that directly contacts and fits onto the shaft. Applying force directly to the inner race ensures that the bearing is properly seated and centered on the shaft during installation. The other options are incorrect because applying force to the shaft (A), the outer race (C), or the housing (D) would not properly transfer the force to the inner race and could result in damage to the bearing or improper installation.
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