Outer Diameter: 58mm, Inner hole diameter: 16mm, with two M4 screw.
Double-sided hollowing process to less the dynamic inertia of the pulley, groove width and diameter
Suitable for 5 pieces 1.5mm round belts (small power transmission) or PJ belts with a pitch of 2.34mm (high power transmission) can be 2 peaks, 3 peaks or 4 peaks and 5 peaks, with a maximum support of 5 peaks.
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