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How Bearings Work. (Marshall Brain's How Stuff Works).(Brief Article)
Plant Engineering
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December 1, 2001
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COPYRIGHT 2001 Reed Business Information, Inc. (US). This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group.
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Adapted from HowStuffWorks.com
The bearing makes many of the machines we use every day possible. Without bearings we would constantly be replacing parts that wear out from friction.
Objects roll more easily than they slide. The wheels on your car are like big bearings. If you had something like skis instead of wheels, your car would be much more difficult to push down the road.
When objects slide, friction between them causes a force that tends to slow them down. But if the two surfaces can roll over each other, friction is greatly reduced.
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