Short pitch precision roller chain (B series)

Short pitch precision roller chain (B series) High transmission efficiency ‌ : The short-pitch precision roller chain is made of high-quality bearing steel as material, which can withstand large loads and has high transmission efficiency. The roller is empty set on the sleeve and can be rotated freely, reducing the friction and wear during meshing, thereby improving the transmission efficiency ‌ S tra ight s ide p ates

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