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THE FEUTEX TOOLKIT

Bearing Basic Rating Life

Estimate basic L10 life from a supplied equivalent dynamic load.

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02 Your result
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FormulaL10=(C/P)^p million revolutions; hours=10⁶L10/(60n).
Sources and model references

How to use this tool

  1. Enter every input in the labeled units; use measured or independently specified properties.
  2. Check the stated model assumptions before calculating.
  3. Interpret the output as a model estimate and verify it independently for the intended application.

Try this example

{
  "rating": 20000,
  "load": 5000,
  "exponent": 3,
  "rpm": 1000
}

Accuracy and scope

Basic statistical fatigue rating at 90% reliability, not service life; excludes lubrication, contamination, misalignment and static-load checks. Educational engineering estimate only; not structural or safety certification, equipment selection, or operating recommendations.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.