belt idler pulley
thingiverse
Bearing F605ZZ это плоский шкив для ремня, где он проходит плоской стороной! Шкив с зубцами , в пару к этому, находится по ссылке ниже. I have made a smooth pulley, in couple to it. Here in more detail. http://3dtoday.ru/market/detali-dlya-3d-printerov/raznoe/rolik_pod_remen_gt2/#c273273
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