CA550HD roller chain is a "heavy duty" version of our standard CA550 chain. The heavy duty chain can hold up to repetitive shock loads much longer than the standard chain. The CA550HD gets the added strength the thicker links plates that's used. Tenisles strength for the CA550 heavy duty is almost 3,000 lbs more than standard CA550 chain.
Maintenance and lubrication is crucial in the overall performance and life span of roller chain. Proper lubrication will reduce abrasion, chain wear, friction, noise and keep chains running cooler at higher RPM's. You can download the Nitro Roller Chain Care below.
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