DIAMOND S120 roller chain

DIAMOND S120 belongs to roller chain, part of our Power transmission range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for S120 and any equivalents.

A roller chain in the Diamond S series is built from plates, pins and rollers that engage sprockets, so motion passes between shafts in a synchronized, positive way. Equipment that needs continuous running and positive drive relies on this kind of chain, from production machinery to conveyors and industrial drive systems.

Reading the code tells you what you are holding. The number in the designation refers to the ANSI/ASME pitch, and a suffix of -2 or -3 tells you the strand count. So S40 is a single-strand chain, S40-2 is double strand and S40-3 is triple strand. Pitch and strand count together set the width, the load capacity and which sprocket fits. Send the full part number and the chain can be quoted against that exact reference.

Typical duty covers roller conveyors, elevators, bagging machines, mixers, blowers, packaging lines and material handling equipment. Food, chemical, ceramic and metallurgical operations also use them where positive drive and synchronization between shafts matter. The Diamond Sapphire series covers small and medium pitches for these duties.

Selection comes down to pitch, strand count, power to be transmitted, speed and the working environment. Where dust, moisture or washdown is present, lubrication and protection deserve a look. On fixed drives, sprocket alignment and correct tension keep the assembly running as it should. Fitting calls for sprockets of the same pitch, plus a check of runout and parallelism between the shafts.

Because ANSI/ASME roller chains are interchangeable by pitch and strand count, an S40 single chain can be replaced by another chain of the same pitch and configuration. What usually differs is how plates, pins and rollers are treated, and fatigue resistance. Bring a part number from another brand or a sample and a compatible equivalent can be identified.

To request a Diamond S series roller chain, send the part number by WhatsApp or email. The exact reference can be quoted, along with guidance on sprockets, lubrication and mounting for your equipment. MR Industrial Accessories LLC serves plants across the United States, Canada, Mexico and South America.