China Standard China No-Standard Industrial Alloy Steel Double Pitch Conveyor Chains with Free Design Custom

Solution Description

Chain No.

Roller diameter

done max

Width in between internal plates
b1 min
Pin diameter

dtwo max

Pin length Inner plate depth
h2 max
Plate thickness

T max

Tensile toughness

Q min

Average tensile strength
Weight per  meter
L max
Lc max
208AF17 25.40 7.ninety five four.00 3.ninety six 12.75 fifteen.00 twelve.00 one.fifty 13.eighty/3102 fifteen.2 .40
208AF18 twenty five.forty seven.ninety five 5.10 three.96 13.76 sixteen.00 12.00 one.fifty thirteen.80/3102 fifteen.2 .38
208BF45 twenty five.forty eight.fifty one 47.sixty four 4.forty five fifty seven.00 58.50 eleven.eighty one.60 seventeen.eighty/4001 19.six one.fifteen
C208BF3 twenty five.forty 8.fifty one seven.ninety five 4.45 16.70 11.eighty one.50 ten.00/22480 eleven.5 .61
C2050F12 31.75 ten.16 nine.52 five.08 20.20 21.70 15.00 two.03 eighteen.53/4165 twenty. 1.05
C2052F51 31.seventy five 19.05 nine.forty 5.08 20.70 fifteen.00 2.03 21.eighty/4901 24. .81
2060F75 38.ten 11.91 sixteen.07 five.94 29.50 31.90 eighteen.00 two.42 31.ten/6991 34.two one.11
212BHF1 38.10 twelve.07 eleven.sixty eight 5.94 twenty five.20 28.00 40.eighty 2.42 31.eighty/7149 36.6 two.seventy three
C2060F28 38.10 eleven.91 twelve.fifty seven five.72 25.90 27.70 20.00 2.forty two 28.90/6496 32.four 1.40
C2060F75 38.ten 11.91 16.07 five.ninety four 29.fifty 31.90 18.00 2.forty two 31.ten/6991 34.two one.32
C2062F101 38.10 22.23 12.57 five.ninety four 35.00 18.00 2.42 31.ten/6991 34.two 1.ninety eight
C2062F95 38.ten 22.23 12.70 5.94 twenty five.80 29.thirty eighteen.00 two.42 24.00/5395 26.four two.20
C212BF2 38.10 12.07 eleven.sixty eight 5.72 22.50 25.fifty 35.00 1.85 28.90/6496 33.3 one.88
C212BF9 38.ten twelve.07 11.sixty eight five.seventy two 22.50 25.20 twenty.00 one.eighty five 28.90/6496 33.three 1.ten



HangZhou Star Machine Technological innovation Co.,ltd.  provides the highest quality supplies and manufacturing strategies to go well with the most arduous of conveyor chain applications  – from the transportation of biomass fuels, to the recycling industry, paper & pulp, cement, steel-work, the wood market and meals processing.
Our conveyor chains, sprocket wheels and attachments are scenario-hardened to achieve the ideal harmony between energy, toughness and resistance to wear.
Our production is targeted on metric pitch conveyor chains that include:
Intercontinental Requirements DIN 8167/ISO 1977 M series
DIN 8165/ISO 1977 FV collection
SMS 1968 S sequence


Two different sizes of roller chain, demonstrating development.
There are 2 kinds of backlinks alternating in the bush roller chain. The very first type is interior backlinks, getting 2 interior plates held collectively by 2 sleeves or bushings upon which rotate 2 rollers. Interior hyperlinks alternate with the next kind, the outer backlinks, consisting of 2 outer plates held together by pins passing by way of the bushings of the inner links. The “bushingless” roller chain is comparable in procedure although not in design as an alternative of different bushings or sleeves holding the inner plates collectively, the plate has a tube stamped into it protruding from the gap which serves the same purpose. This has the edge of getting rid of 1 stage in assembly of the chain.


Layout of a roller chain: 1. Outer plate, 2. Inner plate, 3. Pin, 4. Bushing, 5. Roller
If the chain is not being used for a high wear software (for instance if it is just transmitting movement from a hand-operated lever to a control shaft on a machine, or a sliding door on an oven), then 1 of the less complicated kinds of chain could nevertheless be used. Conversely, in which further toughness but the clean generate of a smaller pitch is essential, the chain might be “siamesed” rather of just 2 rows of plates on the outer sides of the chain, there may possibly be 3 (“duplex”), 4 (“triplex”), or a lot more rows of plates operating parallel, with bushings and rollers among each and every adjacent pair, and the exact same number of rows of tooth managing in parallel on the sprockets to match. Timing chains on automotive engines, for example, typically have numerous rows of plates referred to as strands.


An illustration of 2 ‘ghost’ sprockets tensioning a triplex roller chain program
Roller chains are utilised in reduced- to mid-velocity drives at around 600 to 800 ft per moment however, at larger speeds, all around 2,000 to 3,000 ft per minute, V-belts are normally employed thanks to use and sounds issues.
A bicycle chain is a form of roller chain. Bicycle chains could have a master hyperlink, or may possibly call for a chain device for elimination and set up. A similar but larger and thus more robust chain is employed on most bikes although it is sometimes replaced by possibly a toothed belt or a shaft generate, which offer decrease sounds level and fewer maintenance demands.
The excellent bulk of automobile engines use roller chains to generate the camshaft(s). Extremely large overall performance engines often use equipment drive, and commencing in the early sixties toothed belts were used by some companies.
Chains are also utilised in forklifts using hydraulic rams as a pulley to CZPT and reduce the carriage however, these chains are not regarded as roller chains, but are classified as carry or leaf chains.
Chainsaw reducing chains superficially resemble roller chains but are far more intently connected to leaf chains. They are pushed by projecting travel links which also serve to identify 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 probably strange use of a pair of motorbike chains is in the Harrier Leap Jet, the place a chain drive from an air motor is used to rotate the movable motor nozzles, enabling them to be pointed downwards for hovering flight, or to the rear for normal forward flight, a system recognized as Thrust

Put on

The effect of put on on a roller chain is to increase the pitch (spacing of the links), causing the chain to expand more time. Be aware that this is owing to use at the pivoting pins and bushes, not from real stretching of the metallic (as does come about to some flexible metal factors such as the hand-brake cable of a motor automobile).

With CZPT chains it is uncommon for a chain (other than that of a bicycle) to use until it breaks, given that a worn chain prospects to the speedy onset of use on the tooth of the sprockets, with final failure becoming the reduction of all the tooth on the sprocket. The sprockets (in particular the scaled-down of the two) undergo a grinding movement that places a characteristic hook form into the driven confront of the teeth. (This effect is produced worse by a chain improperly tensioned, but is unavoidable no make a difference what treatment is taken). The worn teeth (and chain) no lengthier provides sleek transmission of energy and this could turn into apparent from the noise, the vibration or (in car engines using a timing chain) the variation in ignition timing observed with a timing light-weight. Both sprockets and chain must be changed in these circumstances, considering that a new chain on worn sprockets will not last extended. Nevertheless, in significantly less serious situations it may possibly be achievable to save the greater of the 2 sprockets, given that it is usually the more compact 1 that suffers the most wear. Only in extremely mild-fat purposes this kind of as a bicycle, or in extreme instances of inappropriate rigidity, will the chain normally bounce off the sprockets.

In industry, it is usual to check the motion of the chain tensioner (whether guide or automated) or the specific duration of a drive chain (one rule of thumb is to substitute a roller chain which has elongated 3% on an adjustable drive or 1.5% on a fixed-middle drive). A simpler approach, particularly suitable for the cycle or motorcycle user, is to endeavor to pull the chain away from the larger of the 2 sprockets, even though guaranteeing the chain is taut. Any substantial movement (e.g. generating it attainable to see by means of a gap) almost certainly implies a chain worn up to and beyond the limit. Sprocket hurt will result if the dilemma is disregarded. Sprocket use cancels this impact, and might mask chain wear.

CHAIN Strength

The most common measure of roller chain’s energy is tensile energy. Tensile toughness signifies how much load a chain can stand up to underneath a one-time load ahead of breaking. Just as crucial as tensile energy is a chain’s exhaustion strength. The crucial aspects in a chain’s fatigue strength is the good quality of metal used to manufacture the chain, the warmth treatment of the chain components, the high quality of the pitch gap fabrication of the linkplates, and the sort of shot furthermore the depth of shot peen protection on the linkplates. Other variables can incorporate the thickness of the linkplates and the style (contour) of the linkplates. The rule of thumb for roller chain operating on a continuous generate is for the chain load to not CZPT a mere 1/6 or 1/9 of the chain’s tensile power, depending on the variety of master backlinks utilised (press-in shape vs. slip-fit)[citation required]. Roller chains functioning on a continuous drive over and above these thresholds can and usually do fall short prematurely by means of linkplate tiredness failure.

The standard minimal final energy of the ANSI 29.1 steel chain is twelve,500 x (pitch, in inches)2. X-ring and O-Ring chains significantly lessen dress in by means of internal lubricants, rising chain existence. The internal lubrication is inserted by indicates of a vacuum when riveting the chain together.


Standards organizations (this sort of as ANSI and ISO) keep standards for style, dimensions, and interchangeability of transmission chains. For illustration, the following Table displays info from ANSI standard B29.1-2011 (Precision Electricity Transmission Roller Chains, Attachments, and Sprockets) produced by the American Modern society of Mechanical Engineers (ASME). See the references for additonal data.

ASME/ANSI B29.1-2011 Roller Chain Common SizesSizePitchMaximum Roller DiameterMinimum Supreme Tensile StrengthMeasuring Load25.
For mnemonic needs, under is an additional presentation of key dimensions from the same normal, expressed in fractions of an inch (which was component of the considering powering the selection of preferred figures in the ANSI normal):

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3.     Bespoke Answers from Hugely Knowledgeable Specialists 
4.     Customization and OEM Obtainable for Particular Application
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seven.     Efficient Soon after-Sale Support System

We are not just a manufacturer and supplier, but also an business advisor. We work pro-actively with you to offer you skilled advice and merchandise recommendations in get to end up with a most expense effective product available for your specific software. The clientele we provide globally range from stop users to distributors and OEMs. Our OEM replacements can be substituted where ever necessary and suitable for equally mend and new assemblies.

Roller Chain Upkeep Tips

There are numerous issues to preserve in mind when maintaining a roller chain. The main factors consist of friction and external influences. With out suitable lubrication and adjustment, these kinds of chains will use prematurely. Below are some guidelines for keeping your roller chain in prime condition. keep on looking through! This will make your method simpler. We will also go over the cost of the new roller chain. As usually, keep in mind to examine for unfastened finishes and adjust the chain frequently.


Roller chains are created to accommodate a lot of various kinds of loads. Sprockets are the principal cause of chain use. Axial and angular misalignment occurs when the sprocket faces are not correctly aligned. Each kinds of misalignment enhance stress and put on on the roller chain. They can also negatively have an effect on the push. Consequently, deciding on the appropriate chain is an essential thing to consider.
Preloading helps to eliminate first elongation and prolong services lifestyle. The positive aspects of preloading can be seen in the preloading chart. Important elongation occurs for the duration of generate startup with no or small preload. This is thanks to the surface hardness of the worn areas. On the other hand, a correctly preloaded chain exhibits minor elongation in the course of the first start. As a result, correct preload can extend put on life.
Though elongation is a normal phenomenon in any travel, it can be minimized or removed with appropriate maintenance. In addition to typical inspections, you ought to do a entire inspection of your chain after the initial hundred several hours. This inspection must emphasis on key daily life aspects such as 3% elongation, how the chain is lubricated, and any other troubles that could influence life. A very good quality chain ought to have the longest existence and no issues.
There are a lot of distinct roller chain specifications. A very good rule of thumb is to select chains with at least 5 back links. Then, tighten the chain until a crack happens, and it will explain to you what kind of break transpired. Alternatively, you can use a roller chain with the highest allowable load. As long as the MAL will not exceed that variety, it is nevertheless flawlessly protected to use it for any application.


When it will come to lubrication, there are several various tactics. For example, spray lubrication is a well-liked method for high-horsepower drives and high-load and quick-transferring machines. This approach is very efficient, but it is pricey, and spraying the chain way too considerably out of the guard can cause leaks. One more typical technique is brush lubrication. Brush lubrication includes making use of a constant flow of oil to the chain, pushing it into the chain. This lubrication approach minimizes the application temperature of the chain. Also, it can prolong the existence of the chain, based on the manufacturer’s specs.
Although the lubrication of roller chain couplings varies by application, sprocket hubs need to be lubricated regular monthly to make certain proper sealing. The quantity of oil utilised depends on the rotational speed and the variety of roller chain coupling. In standard, lubricants employed in roller chain couplings must have exceptional adhesion, oxidation, and mechanical security.
Dress in-resistant lubricants are recommended. They avert the rollers from sticking to every single other and stop rusting. These lubricants have low surface area tension and are not dangerous to steel or O-ring chains. The the best possible lubrication strategy depends on ambient temperature, horsepower, and chain speed. Properly lubricating a roller chain raises the lifestyle of the chain and minimizes the chance of use.
Proper lubrication of the roller chain is important to stop corrosion and lengthen its provider lifestyle. The oil forms a sleek movie on the chain components, lowering metallic-to-steel get in touch with and minimizing friction and use. In addition, the oil gives a clean operating area and decreases noise. Even so, the managing-in approach of roller chain lubrication cannot be underestimated. When using heavy-obligation oils, guarantee that the lubricant is compatible with working and ambient temperatures.


To lengthen the existence of your roller chain, you want to carry out typical inspections. First, you should examine the T-pin on the link plate at the joint. If they are not related correctly, it can result in the chain to extend and not maintain proper spacing and timing. Subsequent, you need to search for abnormal sound, corrosion, and dust that may possibly reveal dress in. If you recognize any of these issues, it really is time to substitute the chain.
In order to appropriately keep a roller chain, the two places of the roller chain must be lubricated with the proper lubricant. Lubricants used need to be SAE non-degreased oils. There are many types of lubricants obtainable, but the greatest one is a petroleum-dependent oil with a large viscosity. You can also check for symptoms of put on, these kinds of as pink or brown discoloration. This means that there is not enough lubrication.
While the life expectancy of a roller chain is unidentified, it is critical to know how to extend its daily life and increase its usefulness. Inappropriate rigidity and alignment can shorten its daily life and place undue anxiety on the drive program and the chain by itself. Incorrect stress can also guide to slippage and increased vitality output. Consequently, you should determine the rigidity and alignment of the chain throughout the preliminary installation. Check out and modify regularly.
Another way to lengthen the daily life of your rollers is to totally cleanse the within and outdoors of the rollers. You should also lubricate it usually to avert excessive heat buildup. Created to avoid overheating by restricting the amount of function in the course of crack-ins. Additionally, typical inspections will help you catch anomalies early adequate to end operations. Very last but not least, regular lubrication will prolong the life of the roller chain.


Acquiring a roller chain is a big decision, but preliminary price should not be the only thing to consider. The cost of the roller chain alone, as nicely as the managing fees, ought to be regarded. Even the least expensive-priced chains can be a lot more high-priced in the long operate. Additionally, upkeep and strength fees might enhance. The best roller chain for your enterprise will be the one particular that greatest satisfies your demands. Listed underneath are some factors to contemplate when acquiring a roller chain.
1st, what materials should you use? Roller chains occur in a lot of distinct supplies. Stainless steel is a generally used content in construction. Materials are selected primarily based on the expense and design of chain horsepower transmission. A variety of production procedures will determine which material is appropriate for your application. Also, the fat of the chain will vary based on its pitch and the development approach used. A large part of the price of a roller chain is on the drive sprocket.
Another thought is installation cost. Roller chains are generally utilised in agricultural and transportation programs, specially for agronomic goods. If lubrication is your problem, servicing-totally free chains are the greatest decision. Corrosion-resistant chains are excellent for moist environments. They are sold in boxed lengths, so changing a longer duration demands adding a shorter size. To stay away from trouble, use the skateboard to aid join the back links.
One more consideration is the general width. The total width of an open up #40 roller chain might range but should be at the very least ten feet broad. Although it is not the most pricey variety of roller chain, it will very last lengthier. Making use of it properly will enhance its total longevity, so it is a good notion to pick it properly. If your enterprise makes use of roller chains often, the expense reduction is nicely really worth it.


A roller chain is composed of a pair of alternating pins and roller backlinks. The pins are pressed into the facet panels and hinged to the rollers. Roller chains can be single or multi-strand, related by a frequent pin. The multi-strand design and style offers larger shear toughness for demanding energy transmission purposes. Typical purposes for roller chains consist of conveyors, hoists, and other mechanical equipment.
The horsepower functionality of a roller chain is minimal by numerous elements, including pin shock and friction. Even though research into these aspects has placed some boundaries on the highest running speed of the roller chain, sensible expertise has revealed that these programs can be utilised at larger speeds. Proper lubrication and cooling can increase the longevity of these chains. In addition, roller chain purposes incorporate:
Drive and conveyor systems are the two principal employs of roller chains. For the duration of driving operations, put on and elongation are a natural component of the procedure. However, lubrication performs a essential part in reducing dress in and shock loads. As a result, dress in is inescapable and particular care have to be taken to make certain proper lubrication. Furthermore, lubrication lowers heat dissipation in the chain.
The supplies utilized to make roller chains range from one particular variety to another. Stainless steel is widespread, but nylon or brass are sometimes utilized. These supplies are significantly less pricey and far more sturdy than steel or stainless steel. The best materials for the task is dependent on a range of aspects, including price, environmental situations, and design horsepower transmission. For illustration, the pin bushing get in touch with spot is a essential location necessitating lubrication. In addition, some coatings are created to retard the corrosive results of water or oil.
China Standard China No-Standard Industrial Alloy Steel Double Pitch Conveyor Chains     with Free Design Custom