Friction Minimization

See how ball bearings dramatically reduce friction compared to sliding!

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Friction Coefficient (μ)
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Why Ball Bearings Are Amazing

  • Convert sliding friction → rolling friction (50–1000× lower)
  • Real ball bearings can have μ as low as 0.001–0.002
  • Wheels spin smoothly thanks to tiny steel balls inside
  • Used in cars, bikes, hard drives, skateboards, and machines everywhere!