30mm Bearing for Filament
thingiverse
Modified Zheng3's design to suit my filament spool by altering the main diameter to 30mm. Added an external flange on one half for better stability, ensuring a perfect fit with an M8 rod for the inner diameter. The bearing remains split in two halves for convenient BB insertion. Printed using Prusa i3, with .25 layer height, a bit of infill, no support, and 2 perimeters; however, these settings can be adjusted as needed. After adding BBs and gluing the halves together, you'll have a functional printed bearing.
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