GT2 timing belt pulley with bearing, 20 teeth, 6mm belt, 5mm bore GT2 20T W6 B5

With this quality pulley you provide your 3D printer or CNC machine with a high-quality, double pulley. The double pulley can be used for belt transmissions in corners. The pulley is suitable for belts with a maximum width of 6mm and can be mounted directly on a shaft diameter of 5mm.