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Roller Chain

Roller chain or bush roller chain is the type of chain drive most widely used for mechanical power transmission on many forms of domestic, commercial, and agricultural machinery, including conveyors, wire and tube drawing machines, printing presses, cars, motorcycles, and bikes. It consists of a set of small cylindrical rolls held sideways. It is operated by a toothed sprocket axle. It is a easy, reliable, and efficient means of transmitting power.

The design of the roller chain reduces friction when compared to simpler designs, resulting in greater efficiency and less wear. There were no rollers and bushings in the original power transmission chain types, with both the inner and outer plates supported by pins that touched the sprocket teeth directly; however, this design revealed extremely rapid wear of both the sprocket teeth and the plates as they rotated on the pins. The development of bushed chains partially solved this problem, with the pins holding the outer plates going through bushings or sleeves connecting the inner plates. It spread wear over a wider area; however, the sprocket teeth were still wearing faster than appropriate from the slipping friction against the bushings. Adding rollers surrounding the chain's bushing sleeves and providing rolling contact with the sprocket teeth resulted in excellent wear resistance of both sprockets and chain as well.

The roller chains are produced in many sizes, the most common American National Standards Institute (ANSI) standards being 40, 50, 60, 80. The first digits show the chain pitch in eighths of an inch, the last digit being 0 for the regular chain, 1 for the lightweight chain and 5 for the bushed chain without rollers. Therefore, a half-inch pitch chain would be # 40 while a # 160 sprocket would have the teeth spaced two inches apart, etc. Metric pitches are measured in sixteenths of an inch; hence an ANSI # 40 would be equal to a metric # 8 chain (08B-1). Most roller chains are made of plain carbon or alloy steel, but in food processing machinery or other places where lubrication is an issue, stainless steel is used and nylon or brass is occasionally seen for the same reason.

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

  • 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 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

    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 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 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 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 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. #80...

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  • 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"

    #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 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"

    #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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