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Old April 12th, 2014, 01:18 PM   #1
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Arrow How ball bearings are made

Our Ninjettes have several ball bearings: transmission, wheels, steering head, clutch and CCT.

Here is a good explanation about how those balls are made so perfectly round:

http://www.madehow.com/Volume-1/Ball-Bearing.html
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Old April 13th, 2014, 03:28 AM   #2
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Interesting, thanks for posting.
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Old April 13th, 2014, 05:25 AM   #3
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some good info
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Old June 5th, 2016, 05:48 PM   #4
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How ball bearings are assembled:

Link to original page on YouTube.

This 14-minute video shows how difficult it is to obtain perfectly spherical and smooth steel balls, the sould of these bearings:

Link to original page on YouTube.

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Old June 5th, 2016, 06:05 PM   #5
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Old June 6th, 2016, 06:49 AM   #6
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I always wondered how they were made.
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