Bearing Material

Does anyone know what type of plastic vex ear bearings are made of?

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Iā€™m guessing Acetal, as there is reference to some of their bearing material being made of it, and it would be a sensible choice. HDPE would be another possibility.

Check out product 276-2018, the 1/4" Acetal Bearing (discontinued), and note the abundance of other Acetal products on the VEX and VEX Pro site.

Jason

All of the current VEX EDR plastic bearings (the regular Bearing Flat, High Strength Shaft Bearing Flat, and Hex Nut Retainers) are Nylon.

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