China shop DIN ASA ANSI Standard Motorcycle Chain 56b-1 B Series Short Pitch Precision Simplex Roller Chains and Bush Chains with Spare Parts Engineering

Solution Description

B Series Quick pitch Precision Simplex Roller Chains & Bush Chains


Chain No.


Roller diameter


Width between inner plates
Pin diameter


Pin size Inner plate depth
Plate thickness


Tensile strength


Average tensile energy
Weight per meter
56B-1 88.900 fifty three.ninety eight 53.34 34.32 114.six 123. seventy seven.80 thirteen.50/twelve. 850./193180 940. 35.78

*Straight facet plates


Roller chain or bush roller chain is the sort of chain drive most commonly used for transmission of mechanical electrical power on several kinds of domestic, industrial and agricultural equipment, like conveyors, wire- and tube-drawing machines, printing presses, vehicles, bikes, and bicycles. It consists of a series of brief cylindrical rollers held jointly by aspect hyperlinks. It is driven by a toothed wheel called a sprocket. It is a simple, dependable, and effective signifies of electricity transmission.

Development OF THE CHAIN

Two different measurements of roller chain, showing construction.
There are two kinds of backlinks alternating in the bush roller chain. The first type is interior links, getting two inner plates held jointly by two sleeves or bushings CZPT which rotate two rollers. Internal hyperlinks alternate with the second type, the outer links, consisting of two outer plates held with each other by pins passing by way of the bushings of the internal backlinks. The “bushingless” roller chain is related in procedure even though not in construction instead of different bushings or sleeves holding the inner plates with each other, the plate has a tube stamped into it protruding from the gap which serves the same function. This has the advantage of getting rid of 1 action in assembly of the chain.

The roller chain design and style minimizes friction in contrast to simpler styles, resulting in greater performance and much less dress in. The first electricity transmission chain varieties lacked rollers and bushings, with both the interior and outer plates held by pins which straight contacted the sprocket teeth nonetheless this configuration exhibited very speedy wear of both the sprocket tooth, and the plates in which they pivoted on the pins. This difficulty was partly solved by the development of bushed chains, with the pins holding the outer plates passing through bushings or sleeves connecting the internal plates. This distributed the dress in over a greater spot nevertheless the enamel of the sprockets nevertheless wore a lot more rapidly than is appealing, from the sliding friction against the bushings. The addition of rollers encompassing the bushing sleeves of the chain and presented rolling contact with the teeth of the sprockets ensuing in superb resistance to dress in of each sprockets and chain as nicely. There is even extremely reduced friction, as lengthy as the chain is adequately lubricated. Constant, clean, lubrication of roller chains is of principal value for efficient procedure as properly as appropriate tensioning.


Many driving chains (for illustration, in manufacturing unit tools, or driving a camshaft inside of an inside combustion motor) function in thoroughly clean environments, and as a result the sporting surfaces (that is, the pins and bushings) are protected from precipitation and airborne grit, numerous even in a sealed setting this sort of as an oil bath. Some roller chains are made to have o-rings constructed into the place among the outside the house website link plate and the within roller url plates. Chain producers started to include this feature in 1971 soon after the application was invented by Joseph Montano whilst functioning for Whitney Chain of Hartford, Connecticut. O-rings ended up provided as a way to improve lubrication to the backlinks of electrical power transmission chains, a service that is vitally critical to extending their working existence. These rubber fixtures kind a barrier that holds factory used lubricating grease inside the pin and bushing wear locations. Further, the rubber o-rings stop grime and other contaminants from coming into within the chain linkages, in which such particles would or else cause important dress in.[citation required]

There are also a lot of chains that have to run in filthy situations, and for size or operational reasons are not able to be sealed. Examples incorporate chains on farm tools, bicycles, and chain saws. These chains will essentially have reasonably high prices of put on, notably when the operators are ready to accept far more friction, much less effectiveness, more sound and a lot more frequent substitution as they neglect lubrication and adjustment.

A lot of oil-based mostly lubricants draw in dust and other particles, eventually forming an abrasive paste that will compound dress in on chains. This problem can be circumvented by use of a “dry” PTFE spray, which kinds a solid movie following application and repels equally particles and moisture.


Structure of a roller chain: 1. Outer plate, 2. Inner plate, 3. Pin, 4. Bushing, 5. Roller
If the chain is not getting utilised for a high use software (for occasion if it is just transmitting motion from a hand-operated lever to a control shaft on a machine, or a sliding door on an oven), then 1 of the less difficult kinds of chain might still be utilised. Conversely, the place added sCZPT but the smooth generate of a smaller pitch is necessary, the chain might be “siamesed” instead of just two rows of plates on the outer sides of the chain, there could be 3 (“duplex”), four (“triplex”), or more rows of plates working parallel, with bushings and rollers between each and every adjacent pair, and the identical number of rows of enamel working in parallel on the sprockets to match. Timing chains on automotive engines, for illustration, generally have numerous rows of plates called strands.

Roller chain is manufactured in many measurements, the most widespread American Countrywide Specifications Institute (ANSI) requirements currently being 40, fifty, 60, and 80. The first digit(s) show the pitch of the chain in eighths of an inch, with the last digit getting 0 for standard chain, 1 for lightweight chain, and 5 for bushed chain with no rollers. Hence, a chain with 50 %-inch pitch would be a #forty whilst a #one hundred sixty sprocket would have teeth spaced 2 inches aside, and many others. Metric pitches are expressed in sixteenths of an inch hence a metric #8 chain (08B-1) would be equal to an ANSI #forty. Most roller chain is created from simple carbon or alloy steel, but stainless steel is utilised in foodstuff processing equipment or other places exactly where lubrication is a problem, and nylon or brass are at times witnessed for the very same reason.

Roller chain is ordinarily hooked up using a master link (also recognized as a connecting url), which generally has one particular pin held by a horseshoe clip relatively than friction fit, making it possible for it to be inserted or taken off with straightforward instruments. Chain with a removable url or pin is also acknowledged as cottered chain, which makes it possible for the size of the chain to be adjusted. Half links (also recognized as offsets) are available and are utilized to boost the duration of the chain by a single roller. Riveted roller chain has the learn website link (also known as a connecting link) “riveted” or mashed on the ends. These pins are produced to be resilient and are not removable.


An illustration of two ‘ghost’ sprockets tensioning a triplex roller chain method
Roller chains are used in low- to mid-velocity drives at all around 600 to 800 feet per minute however, at increased speeds, around 2,000 to 3,000 ft for each moment, V-belts are usually used because of to use and sound problems.
A bicycle chain is a form of roller chain. Bicycle chains might have a master hyperlink, or could call for a chain instrument for elimination and installation. A similar but bigger and hence more powerful chain is utilised on most motorcycles despite the fact that it is occasionally changed by possibly a toothed belt or a shaft generate, which supply lower sounds level and fewer servicing needs.
The excellent vast majority of car engines use roller chains to generate the camshaft(s). Quite large efficiency engines usually use gear travel, and starting in the early 1960s toothed belts had been utilised by some manufacturers.
Chains are also employed in forklifts using hydraulic rams as a pulley to elevate and reduce the carriage nonetheless, these chains are not deemed roller chains, but are labeled as raise or leaf chains.
Chainsaw cutting chains superficially resemble roller chains but are more closely associated to leaf chains. They are driven by projecting travel links which also serve to locate the chain on to the bar.

Sea Harrier FA.2 ZA195 front (cold) vector thrust nozzle – the nozzle is rotated by a chain travel from an air motor
A possibly strange use of a pair of motorcycle chains is in the Harrier Jump Jet, in which a chain drive from an air motor is utilised to rotate the movable motor nozzles, making it possible for them to be pointed downwards for hovering flight, or to the rear for standard ahead flight, a system acknowledged as Thrust vectoring.



The effect of dress in on a roller chain is to increase the pitch (spacing of the backlinks), triggering the chain to increase lengthier. Observe that this is because of to dress in at the pivoting pins and bushes, not from actual stretching of the metallic (as does occur to some adaptable steel parts these kinds of as the hand-brake cable of a motor car).

With contemporary chains it is unusual for a chain (other than that of a bicycle) to dress in till it breaks, given that a worn chain leads to the quick onset of put on on the teeth of the sprockets, with greatest failure being the loss of all the teeth on the sprocket. The sprockets (in specific the scaled-down of the two) endure a grinding movement that places a characteristic hook form into the driven face of the teeth. (This impact is produced even worse by a chain improperly tensioned, but is unavoidable no matter what care is taken). The worn teeth (and chain) no lengthier gives easy transmission of electrical power and this might grow to be apparent from the sound, the vibration or (in automobile engines utilizing a timing chain) the variation in ignition timing observed with a timing gentle. Equally sprockets and chain ought to be replaced in these situations, given that a new chain on worn sprockets will not previous long. Nevertheless, in considerably less extreme cases it could be achievable to save the bigger of the two sprockets, considering that it is always the smaller one that suffers the most dress in. Only in really gentle-fat purposes such as a bicycle, or in severe cases of incorrect rigidity, will the chain normally leap off the sprockets.

The lengthening thanks to use of a chain is calculated by the subsequent formulation:

M = the size of a number of backlinks calculated

S = the quantity of backlinks measured

P = Pitch

In sector, it is typical to check the movement of the chain tensioner (whether handbook or automatic) or the exact length of a drive chain (a single rule of thumb is to substitute a roller chain which has elongated 3% on an adjustable push or 1.5% on a fixed-heart drive). A simpler strategy, especially ideal for the cycle or motorcycle consumer, is to endeavor to pull the chain absent from the more substantial of the two sprockets, while making sure the chain is taut. Any important movement (e.g. generating it feasible to see by means of a gap) almost certainly suggests a chain worn up to and over and above the limit. Sprocket injury will outcome if the dilemma is dismissed. Sprocket use cancels this result, and might mask chain put on.

CHAIN Toughness

The most typical measure of roller chain’s sCZPT is tensile energy. Tensile sCZPT signifies how much load a chain can face up to below a one-time load ahead of breaking. Just as critical as tensile sCZPT is a chain’s exhaustion power. The crucial factors in a chain’s tiredness sCZPT is the high quality of metal used to manufacture the chain, the heat treatment method of the chain components, the quality of the pitch gap fabrication of the linkplates, and the type of shot plus the intensity of shot peen protection on the linkplates. Other factors can include the thickness of the linkplates and the style (contour) of the linkplates. The rule of thumb for roller chain working on a continuous generate is for the chain load to not exceed a mere 1/6 or 1/9 of the chain’s tensile power, relying on the sort of learn back links employed (press-in shape vs. slip-match)[citation essential]. Roller chains running on a continuous travel beyond these thresholds can and normally do are unsuccessful prematurely through linkplate fatigue failure.

The standard minimum final sCZPT of the ANSI 29.1 metal chain is 12,five hundred x (pitch, in inches)two. X-ring and O-Ring chains greatly lower dress in by means of inside lubricants, increasing chain life. The inner lubrication is inserted by implies of a vacuum when riveting the chain together.


Requirements businesses (these kinds of as ANSI and ISO) preserve specifications for style, proportions, and interchangeability of transmission chains. For example, the adhering to Table displays information from ANSI standard B29.1-2011 (Precision Electricity Transmission Roller Chains, Attachments, and Sprockets) designed by the American Society of Mechanical Engineers (ASME). See the references[8][9][ten] for additional information.

ASME/ANSI B29.1-2011 Roller Chain Common SizesSizePitchMaximum Roller DiameterMinimum Final Tensile StrengthMeasuring Load25

ASME/ANSI B29.1-2011 Roller Chain Regular Measurements
Dimension Pitch Highest Roller Diameter Bare minimum Supreme Tensile Toughness Measuring Load
twenty five .250 in (6.35 mm) .one hundred thirty in (3.thirty mm) 780 lb (350 kg) 18 lb (8.2 kg)
35 .375 in (9.53 mm) .200 in (5.08 mm) one,760 lb (800 kg) eighteen lb (8.2 kg)
forty one .500 in (twelve.70 mm) .306 in (7.77 mm) one,500 lb (680 kg) 18 lb (8.2 kg)
forty .500 in (twelve.70 mm) .312 in (7.92 mm) three,125 lb (1,417 kg) 31 lb (fourteen kg)
fifty .625 in (fifteen.88 mm) .four hundred in (ten.16 mm) four,880 lb (2,210 kg) forty nine lb (22 kg)
sixty .750 in (19.05 mm) .469 in (eleven.91 mm) 7,030 lb (3,one hundred ninety kg) 70 lb (32 kg)
80 1.000 in (25.forty mm) .625 in (fifteen.88 mm) twelve,five hundred lb (5,700 kg) one hundred twenty five lb (57 kg)
one hundred one.250 in (31.75 mm) .750 in (19.05 mm) 19,531 lb (8,859 kg) 195 lb (88 kg)
a hundred and twenty one.500 in (38.ten mm) .875 in (22.23 mm) 28,a hundred twenty five lb (twelve,757 kg) 281 lb (127 kg)
140 1.750 in (forty four.45 mm) one.000 in (twenty five.forty mm) 38,280 lb (seventeen,360 kg) 383 lb (174 kg)
160 2.000 in (fifty.80 mm) hundred twenty five in (28.fifty eight mm) 50,000 lb (23,000 kg) five hundred lb (230 kg)
180 two.250 in (57.15 mm) 1.460 in (37.08 mm) sixty three,280 lb (28,seven hundred kg) 633 lb (287 kg)
200 2.five hundred in (sixty three.50 mm) one.562 in (39.sixty seven mm) seventy eight,one hundred seventy five lb (35,460 kg) 781 lb (354 kg)
240 3.000 in (seventy six.twenty mm) 1.875 in (forty seven.63 mm) 112,500 lb (fifty one,000 kg) 1,000 lb (450 kg

For mnemonic needs, below is yet another presentation of important proportions from the exact same common, expressed in fractions of an inch (which was part of the contemplating powering the option of desired numbers in the ANSI common):

Pitch (inches) Pitch expressed
in eighths
ANSI standard
chain quantity
Width (inches)
one4 two8 25 one8
three8 3eight 3five 3sixteen
12 foureight four1 one4
one2 4eight four fivesixteen
fiveeight fiveeight five 3eight
three4 68 6 12
one eight8 eight 58

one. The pitch is the distance in between roller facilities. The width is the length amongst the hyperlink plates (i.e. slightly far more than the roller width to permit for clearance).
2. The appropriate-hand digit of the standard denotes 0 = normal chain, 1 = lightweight chain, 5 = rollerless bushing chain.
three. The still left-hand digit denotes the number of eighths of an inch that make up the pitch.
four. An “H” pursuing the common variety denotes heavyweight chain. A hyphenated variety pursuing the regular number denotes double-strand (2), triple-strand (3), and so on. As a result 60H-3 denotes variety sixty heavyweight triple-strand chain.
 A normal bicycle chain (for derailleur gears) employs narrow 1⁄2-inch-pitch chain. The width of the chain is variable, and does not have an effect on the load potential. The much more sprockets at the rear wheel (traditionally 3-6, today 7-twelve sprockets), the narrower the chain. Chains are marketed according to the number of speeds they are developed to operate with, for illustration, “10 velocity chain”. Hub equipment or single speed bicycles use 1/2″ x 1/8″ chains, exactly where 1/8″ refers to the highest thickness of a sprocket that can be employed with the chain.

Normally chains with parallel shaped back links have an even amount of back links, with each slender hyperlink followed by a broad 1. Chains created up with a uniform sort of website link, slender at 1 and broad at the other end, can be created with an odd variety of hyperlinks, which can be an gain to adapt to a special chainwheel-length on the other side this sort of a chain tends to be not so robust.

Roller chains created employing ISO regular are often referred to as as isochains.


WHY Pick US 

one. CZPT High quality Assurance Technique
2. Reducing-Edge Pc-Controlled CNC Equipment
3. Bespoke Answers from Extremely Skilled Specialists
four. Customization and OEM Available for Specific Software
five. Comprehensive Inventory of Spare Components and Components
six. Effectively-Produced Globally Marketing Community
seven. Productive Following-Sale Service Program


The 219 sets of sophisticated automated manufacturing tools provide assures for higher item quality. The 167 engineers and technicians with senior professional titles can style and develop products to meet the precise needs of customers, and OEM customizations are also accessible with us. Our seem world-wide provider community can provide consumers with timely after-sales specialized solutions.

We are not just a maker and supplier, but also an industry advisor. We function pro-actively with you to provide specialist guidance and product recommendations in buy to stop up with a most cost effective merchandise offered for your specific application. The customers we provide throughout the world variety from end end users to distributors and OEMs. Our OEM replacements can be substituted wherever needed and suitable for the two mend and new assemblies.


Like all of our roller chains, our one-strand roller chains are heat dipped to make certain one hundred% lubricated components and heat dealt with to increase wear resistance. Our scorching dip lubrication approach ensures that each and every single strand roller chain operates at greatest ability and put on life for as extended as feasible. EP Chain proudly gives extremely resilient solitary chain roller chains for your comfort. Each of our solitary-strand roller chains is preloaded for the duration of the producing procedure, successfully reducing preliminary elongation after you obtain your item. You will locate our single-strand roller chains utilised in a assortment of purposes, these kinds of as the foodstuff business or conveyor belts. At EP Chain, we understand that downtime can mean missing company and earnings. Our single-strand roller chains are the missing hyperlink your business wants to keep equipment and everyday operations running smoothly.

China shop DIN ASA ANSI Standard Motorcycle Chain 56b-1 B Collection Short Pitch Precision Simplex Roller Chains and Bush Chains with Spare Elements     Engineering