E-Thirteen, e*thirteen, ethirteen etc. LG1 Chainguide Idler

Idler bearing housing TPU or PETG
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updated January 31, 2024

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As the bearing of the idler began to wear down and get stuck it grinded down the rubber housing of the bearing. Instead of just buying a new one I just opened the bearing, cleaned and relubed it so that the bearing was fine. But i was missing a rubber housing for it. So I designed one from ground up. I made one for PETG “press-fit” since i only had PETG laying around but later made one with proper notches so that a TPU version won't slip of the bearing.
Hope it helps you like it did for me.

Needs no supports, but I had to print it with 101% on one of my printers while the other was fine with 100% so you maybe have to try some scaling.

I even made some version with proper gears but never printed them. Those need supports and I don't know if the gears fitting all chains out there. But the one without gears was working so well I never printed the gears one.

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The author marked this model as their own original creation.

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