Ball bearings may become overheated if they...

Question 1 / 205eccef9cbacbc34ba4d45b15

Question 1 of 205eccef9cbacbc34ba4d45b15

Ball bearings may become overheated if they are __________.

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Question 1 of 20

5eccef9cbacbc34ba4d45b15

Ball bearings may become overheated if they are __________.

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🔍 Key Concepts

• Friction and heat in bearings when lubrication is incorrect • Effects of too much vs. too little grease on a bearing • How shaft alignment affects bearing temperature and wear

💭 Think About

• For each option, ask yourself: would this condition increase friction inside the bearing? Why or why not? • Think about what happens to rolling elements when grease cannot circulate properly versus when there is almost no grease at all. • Consider how a misaligned shaft loads the bearing: does it spread the load evenly or concentrate it in a small area?

✅ Before You Answer

• For each choice, decide if it could reasonably cause excess friction and heat in a bearing. • Check whether both improper lubrication (too much or too little) and mechanical misalignment are known causes of overheating. • Before choosing, see if more than one option clearly leads to overheating; then decide what that implies about a possible combined answer choice.

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Question 1 of 20

Ball bearings may become overheated if they are __________.

packed with too much grease

mounted on a misaligned shaft

not lubricated

all of the above

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