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There is an updated version of this product available: ROB-13597

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Description: These shaft-mountable aluminum timing pulleys use XL timing belts and attach to a 6mm output shaft with a set screw. They have 16 teeth with a gear pitch of 1/5P, an outer diameter of 1”, a bore of ¼", and requires a belt width of 3/8”.

Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide range of components makes building complex electromechanical prototypes or finished projects a reality.


  • Teeth - 16T at 1/5P
  • OD - 1”
  • Bore - 0.25"
  • Belt Width - 3/8”


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Customer Comments

  • Excuse me, I have a 5mm shaft stepper motor. Can I use this pulley with my motor?

  • Seems like the compatible belts are missing from SparkFun: http://www.servocity.com/html/timing_belts.html

    I saw them in the original Actobotics new product post but I can’t find them anywhere in the catalog. Without the belts these pulleys aren’t particularly useful. :(

    • We are getting a system set up to sell the timing belts by the foot. Hopefully it’ll be available on the storefront soon!

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