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Roller Chain

Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles. It consists of a series of short cylindrical rollers held together by side links. It is driven by a toothed wheel called a sprocket. It is a simple, reliable, and efficient means of power transmission.

The roller chain design reduces friction compared to simpler designs, resulting in higher efficiency and less wear. The original power transmission chain varieties lacked rollers and bushings, with both the inner and outer plates held by pins which directly contacted the sprocket teeth; however this configuration exhibited extremely rapid wear of both the sprocket teeth, and the plates where they pivoted on the pins. This problem was partially solved by the development of bushed chains, with the pins holding the outer plates passing through bushings or sleeves connecting the inner plates. This distributed the wear over a greater area; however the teeth of the sprockets still wore more rapidly than is desirable, from the sliding friction against the bushings. The addition of rollers surrounding the bushing sleeves of the chain and provided rolling contact with the teeth of the sprockets resulting in excellent resistance to wear of both sprockets and chain as well.

Roller chain is made in several sizes, the most common American National Standards Institute (ANSI) standards being 40, 50, 60, and 80. The first digits indicate the pitch of the chain in eighths of an inch, with the last digit being 0 for standard chain, 1 for lightweight chain, and 5 for bushed chain with no rollers. Thus, a chain with half inch pitch would be#40 while a #160 sprocket would have teeth spaced 2 inches apart, etc. Metric pitches are expressed in sixteenths of an inch; thus a metric #8 chain (08B-1) would be equivalent to an ANSI #40. Most roller chain is made from plain carbon or alloy steel, but stainless steel is used in food processing machinery or other places where lubrication is a problem, and nylon or brass are occasionally seen for the same reason.

Roller chain is ordinarily hooked up using a master link, which typically has one pin held by a horseshoe clip rather than friction fit, allowing it to be inserted or removed with simple tools. Chain with a removable link or pin is also known as cottered chain, which allows the length of the chain to be adjusted. Half links are available and are used to increase the length of the chain by a single roller. Riveted roller chain has the master link "riveted" or mashed on the ends. These pins are made to be durable and are not removable.

  • Conveyor Chain C2040

    Conveyor Chain C2040

    Quality manufactured roller chain. These chains provide a high quality conveying medium for material handling equipments, road building machinery, textile machinery, farming implements, baking packaging and bottling equipment. Conveyor style of chain is...

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  • Conveyor Chain C2050

    Conveyor Chain C2050

    Conveyor roller chain is constructed of carbon steel and straight side plates. Attachments can be used for connecting brackets, buckets and rods to the chain for the conveyor use of moving different types of materials on an incline. C2050 is built to...

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  • Conveyor Chain C2060 Heavy

    Conveyor Chain C2060 Heavy

    C2060 conveyor roller chain is manufactured from carbon steel to ANSI standards. C2060 has the same dimensions as a standard ANSI roller chain except that the pitch is doubled. C2060 has a pitch of 1 ½”. Many conveyer roller chains can be...

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  • Conveyor Chain C2082 Heavy

    Conveyor Chain C2082 Heavy

    Conveyor roller chain is manufactured with solid rollers and bushings built with carbon steel for ultimate strength. This C2082H can also be used with attachments such as brackets and buckets for ridged material transport.

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  • Heavy Series #50 - 5/8"

    Quality manufactured roller chain. Our heavy roller chain stock ranges from #50 to #240 size roller chain. We also carry multiple, strands and lengths. Heavy chain differs due to the extra thickness of the link plates and the extra length of the pins...

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  • Heavy Series #60 - 3/4"

    Heavy Series #60 - 3/4"

    Heavy chain differs due to the extra thickness of the link plates and the extra length of the pins.  These link plates have the same thickness as the standard chain but the next larger pitch size. The thicker plates in heavy series chain provide...

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  • Metric Roller Chain (British Standard)

    Metric Roller Chain (British Standard)

    Metric roller chain is made in accordance with the European standards. These chains resemble standard roller chains, although they are dimensionally different.  Metric chains are produced with solid bushings and rollers and have many design...

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  • Nickel Plated #80- 1"

    Nickel Plated #80- 1"

    Nickel plated chains provide acceptable performance where equipment must operate in mildly corrosive environments. Nickel plated is an economical alternative to other stainless chains. We offer riveted, single or double, and in multiple lengths...

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  • Standard Roller Chain #25 - 1/4"

    Standard Roller Chain #25 - 1/4"

    Roller chain comes in different sizes depending on the job at hand; Agriculture and industrial machinery including conveyors, printing presses and vehicles of many types.  It consists of a series of cylindrical rollers held together by side links...

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  • Heavy Series #80 - 1"

    Heavy Series #80 - 1"

    #80H roller chain has a pitch of 1". The construction of the heavy series roller chain is thicker link plates. This is a crucial to be able to improve strength and durability and be able to with stand higher and repeated shock loads. 80H Roller Chain...

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  • Stainless Steel #60 - 3/4"

    Stainless Steel #60 - 3/4"

    Stainless steel roller chain provides even greater corrosion, chemical and heat resistance than other surface treated chain. This a type of chain that is used in a variety of industries but heavily used in the food industry.  We offer it in several...

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  • Standard Roller Chain #35 - 3/8"

    Standard Roller Chain #35 - 3/8"

    #35 manufactured roller chain. Our standard roller chain stock ranges from #25 to #240. We also carry multiple strands, lengths and connection types. This #35 roller chain has a pitch of 3/8" #35 Roller Chain Dimensions Pitch (P): 3/8" Roller Width...

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