Idler Pulley for 624 Bearing and GT2 belt
thingiverse
This is a compact idler pulley engineered for use with a 624 bearing (4x13x5mm). The pulley's outer diameter measures 18mm, its inner diameter 13mm, and its overall height is precisely 8.4mm. A 6.4mm high by 1.5mm deep outer channel complements the design. Assembly involves combining a 624 bearing with an M4 machine screw and an M4 washer to provide adequate clearance for smooth bearing rotation. Designed to prevent belt slippage, this pulley is particularly useful in applications like the drawing robot found at https://www.thingiverse.com/thing:1517211. Additionally, a spacer measuring 8mm OD x 4mm ID x 3.5mm height is included to offer extra clearance for the new pulleys in specific setups.
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