Pulley Kit (608 bearing and M7 bolt Compatible)

A pulley system reworked to allow a 608 bearing utilizing a M7 bolt or pencil to allow secure and tight fit to the bearing inside. Can use metal or 3dprinted bearings depending on intended load.

Be careful to use orientation of print to your advantage here, shear forces are weaker on layer-lines!

USE these bolts: https://www.printables.com/model/1213096-m7-hex-bolts-w-accessories

Great method to teach children hands on, or have fun around the house. Using a 10lb medicine ball without issue, printed pin in PLA PRO for stiffness. single pully in Fast PLA, double in Pro PLA.

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Allowing a 608 bearing inside, and modifying the chassis to accept the customized, strengthened and elongated M7 bolt to allow secure and tight fit to the bearing inside.