How To Measure Roller Chain

Roller chain is typically measured by the following points to determine what size chain you have.

  1. Measure the Pitch
  2. Measure the roller diameter
  3. Measure the inner width between the plates

The easiest solution to find what size chain you have is to look at the side plates for a stamped in number.  More than likely you'll need to clean off a few side plates in order to see the size.

Click here to view complete roller chain size charts

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