Bearings 101

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The humble ball bearing ball is perhaps the most advanced invention of civilization. Because it is critical to rotors, it is a core component of engines, and precision CNC machines that are responsible for making the most complex of technologies. Bearings are critical to vacuum pumps, which are critical in the production of semiconductors. From enginges to semiconductors - bearings are a foundation.

Thus, understanding how a bearing as made - and the ability to make one - is perhaps the most advanced technological skill in civilization. All else derives from the existence of ball bearings.


  • How Bearings Are Made
  • Timken engineering manual - [file:///home/marcin/Desktop/Timken-Engineering-Manual.pdf] [1]
  • MIT Fundamentals of Design - [2] - File:Fundamentalsofdesign10.pdf
  • Bearing Life - [3]
  • Peak loads - this source [4] says that peak loads should not exceed rated load by more than 100%
  • p.531 part 3 of Machine Designer's Reference - [5] - says design for a safety factor of 5.