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peaberry

Idler Pulley for 624 Bearing and GT2 belt

by peaberry Jul 7, 2017
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I've printed this file but my bearing dont fit in it

Hi, the internal diameter is exactly 13mm, and it was designed without any clearance so that it would be a very tight "interference fit" on a 13mm bearing. This assumes your printer is reasonably well calibrated and is printing accurate dimensions. Assuming it has printed at the right size, and your bearing is 13mm outer diameter, you could try placing the bearing on a flat surface, and put the pulley on top of it with the larger internal diameter facing down. Make sure the pulley is level and not tilted. Put something flat (like a coaster) on top of the pulley, and give it a tap with something heavy to push the pulley onto the bearing. Alternatively, you could try warming things up a bit.
You could also try slightly increasing the size by scaling it in your slicer.
Hope this helps.