Printrbot Tapered 608 Bearing Spool Hub
thingiverse
This 608-bearing spool hub is compatible with Printrbot's plastic spools, though a light sanding may be necessary for a perfect fit. The tight fit ensures the bearing remains securely in place and allows for easy spinning with minimal pull. Printed in PLA at 15% infill using honeycomb pattern, this customized design took approximately 20 minutes per print on a Printrbot Plus. Inspired by http://www.thingiverse.com/thing:107103 and created via Customizer with specific measurements of 51.4 spool diameter, 7 bearing width, 5 wedge difference, 8 bearing hole diameter, and 22 bearing outer diameter.
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