China Free Design Custom Gearbox Conveyor Transmission General Hardware Parts Heavy Duty Sp Series Roller Chains Professional

Merchandise Description


Chain No. Pitch
Roller diameter

d1 max

Width among inner plates
b1 min
Pin diameter

d2 max

Pin duration Inner plate depth
h2 max
Plate thickness


Transverse pitch

Pt mm

Tensile energy


Average 10sile toughness
W8 for every meter
Lc max
80HSP-1 twenty five.40 15.88 fifteen.seventy five 7.ninety four 36.2 38.9 4. 89.2/20066 ninety eight.1 3.36
100HSP-one 31.seventy five 19.05 18.95 9.fifty four 43.six forty six.nine four.8 131.8/29649 145. four.ninety
120HSP-1 38.10 22.23 twenty five.22 eleven.11 53.5 fifty seven.five 36.2 five.six 176./39592 196. 7.12
140HSP-1 forty four.45 25.40 twenty five.22 twelve.71 57.6 sixty two.2 42.two 6.four 231.9/52149 255. eight.88
160HSP-one fifty.eighty 28.58 31.55 14.29 sixty eight.two 73. forty eight.two 7.2 294.5/66260 324. eleven.72
200HSP-1 sixty three.fifty 39.68 37.85 19.85 86.6 ninety three.5 sixty.three 9.5 543.6/122295 598. 19.eighty
80HSP-two twenty five.40 15.88 fifteen.seventy five seven.ninety four 68.eight 72. 24.1 4. 32.fifty nine 178.4/40132 196.2 six.sixty five
100HSP-two 31.75 19.05 18.95 nine.54 86. thirty.1 four.eight 39.09 263.6/59299 290. nine.71
120HSP-two 38.10 22.23 25.22 11.eleven 102.four 106.4 36.two 5.six 48.87 356.4/80175 392. 14.twelve
140HSP-two 44.forty five twenty five.forty 25.22 twelve.71 109.eight 114.four 42.two six.four fifty two.twenty 463.6/104300 510. 17.38
160HSP-2 fifty.80 28.fifty eight 31.fifty five 14.29 130.1 134.nine 48.two seven.2 sixty one.ninety 588./132275 647. 23.00
200HSP-2 sixty three.50 39.68 37.eighty five 19.eighty five 164.nine 171.eight 60.3 9.5 78.31 1091./245429 1200. 38.fifty
80HSP-3 twenty five.forty 15.88 15.75 seven.ninety four a hundred and one.four 104.six 4. 32.59 267.6/65710 294.3 nine.ninety five
100HSP-three 31.75 19.05 eighteen.ninety five nine.54 121.eight a hundred twenty five.1 thirty.1 4.eight 39.09 395.4/88948 435. 14.fifty three
120HSP-3 38.10 22.23 25.22 11.11 151.2 one hundred fifty five.two 36.two five.6 forty eight.87 534.5/125710 588. 21.12
140HSP-three 44.forty five twenty five.40 twenty five.22 12.71 162. 166.6 forty two.2 6.four fifty two.twenty 695.5/156448 765. 25.88
160HSP-three 50.80 28.58 31.55 14.29 192. 196.8 48.two 7.2 sixty one.90 882.7/198576 971. 34.22
200HSP-three 63.50 39.68 37.eighty five 19.85 243.2 sixty.three nine.5 78.31 1627.3/366073 1790. fifty seven.29

HangZhou Star Machine Technology Co.,ltd.  is a top worldwide chain travel solution provider with the widest item  range. We have 5 condition-of-the-artwork generation bases and regional distribution centres and workshops in France, Germany, Netherlands, Thailand, United kingdom, Hungary and the United states of america. Xihu (West Lake) Dis.hua has developed a ne2rk of world-wide layout, R&D, manufacturing, income and marketplace provider. We have provided in excess of 12,000 varieties of chains for the worldwide market.
HangZhou Star Device Engineering Co.,ltd. has 2 manufacturing bases in China, masking far more than 47,000 sq. metres, with over 678 employees, including over 57 people with various expert skills. We have CZPT multiple specialist divisions in accordance to chain software. Xihu (West Lake) Dis.hua has recognized a national certified Enterprise Engineering Middle in China to drive forward merchandise innovation and continually fulfill client need.
We focus on offering high good quality products and practical regional service.


Roller chain or bush roller chain is the sort of chain push most commonly utilized for transmission of mechanical energy on several kinds of domestic, industrial and agricultural equipment, including conveyors, wire- and tube-drawing equipment, printing presses, autos, bikes, and bicycles. It is composed of a series of quick cylindrical rollers held together by facet hyperlinks. It is pushed by a toothed wheel referred to as a sprocket. It is a simple, trustworthy, and efficient means of power transmission.


Two different sizes of roller chain, demonstrating building.
There are 2 kinds of links alternating in the bush roller chain. The initial variety is interior backlinks, having 2 internal plates held jointly by 2 sleeves or bushings upon which rotate 2 rollers. Interior hyperlinks alternate with the 2nd type, the outer backlinks, consisting of 2 outer plates held together by pins passing via the bushings of the interior backlinks. The “bushingless” roller chain is equivalent in procedure even though not in building rather of independent bushings or sleeves holding the inner plates jointly, the plate has a tube stamped into it protruding from the gap which serves the exact same goal. This has the gain of getting rid of 1 step in assembly of the chain.

The roller chain design lowers friction in comparison to less complicated designs, ensuing in greater efficiency and much less use. The original power transmission chain types lacked rollers and bushings, with each the inner and outer plates held by pins which immediately contacted the sprocket tooth nevertheless this configuration exhibited really rapid wear of both the sprocket teeth, and the plates in which they pivoted on the pins. This dilemma was partly solved by the improvement of bushed chains, with the pins holding the outer plates passing through bushings or sleeves connecting the internal plates. This distributed the wear over a greater spot however the enamel of the sprockets still wore more swiftly than is appealing, from the sliding friction against the bushings. The addition of rollers surrounding the bushing sleeves of the chain and supplied CZPT speak to with the enamel of the sprockets resulting in outstanding resistance to wear of equally sprockets and chain as properly. There is even quite low friction, as long as the chain is adequately lubricated. Continuous, clean, lubrication of roller chains is of main significance for successful operation as properly as correct 10sioning.


A lot of driving chains (for illustration, in manufacturing unit tools, or driving a camshaft inside of an inner combustion engine) run in clear environments, and therefore the putting on surfaces (that is, the pins and bushings) are secure from precipitation and airborne grit, several even in a sealed surroundings these kinds of as an oil tub. Some roller chains are made to have o-rings constructed into the space between the outdoors hyperlink plate and the inside roller hyperlink plates. Chain companies started to include this characteristic in 1971 after the application was invented by Joseph Montano while operating for Whitney Chain of Hartford, Connecticut. O-rings had been incorporated as a way to increase lubrication to the hyperlinks of power transmission chains, a service that is vitally critical to ex10ding their working existence. These rubber fixtures kind a barrier that holds manufacturing facility used lubricating grease inside the pin and bushing put on places. Additional, the rubber o-rings prevent grime and other contaminants from moving into inside the chain linkages, the place such particles would otherwise cause significant use.[quotation required]

There are also many chains that have to run in soiled situations, and for dimensions or operational causes can not be sealed. Examples consist of chains on farm tools, bicycles, and chain saws. These chains will always have fairly substantial charges of put on, especially when the operators are geared up to acknowledge a lot more friction, significantly less performance, a lot more noise and more repeated CZPT as they neglect lubrication and adjustment.

Numerous oil-based lubricants attract dirt and other particles, eventually forming an CZPT paste that will compound put on on chains. This issue can be circumvented by use of a “dry” PTFE spray, which kinds a solid movie after software and repels the two particles and humidity.


Structure of a roller chain: 1. Outer plate, 2. Internal plate, 3. Pin, 4. Bushing, 5. Roller
If the chain is not getting used for a high put on 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 easier types of chain may nevertheless be used. Conversely, exactly where added toughness but the sleek drive of a smaller pitch is necessary, the chain could be “siamesed” rather of just 2 rows of plates on the outer sides of the chain, there may be 3 (“duplex”), 4 (“triplex”), or a lot more rows of plates working parallel, with bushings and rollers in between each adjacent pair, and the identical quantity of rows of enamel running in parallel on the sprockets to match. Timing chains on automotive engines, for instance, generally have numerous rows of plates referred to as strands.

Roller chain is produced in several dimensions, the most typical American Nationwide Standards Institute (ANSI) requirements getting forty, 50, 60, and 80. The initial digit(s) point out the pitch of the chain in 8hs of an inch, with the final digit currently being 0 for regular chain, 1 for lightw8 chain, and 5 for bushed chain with no rollers. As a result, a chain with fifty percent-inch pitch would be a #forty while a #one hundred sixty sprocket would have enamel spaced 2 inches apart, and so forth. Metric pitches are expressed in 6teenths of an inch therefore a metric #8 chain (08B-1) would be equal to an ANSI #40. Most roller chain is manufactured from basic carbon or alloy metal, but stainless metal is employed in meals processing machinery or other places exactly where lubrication is a problem, and nylon or brass are occasionally witnessed for the identical cause.

Roller chain is ordinarily hooked up employing a master link (also acknowledged as a connecting link), which typically has 1 pin held by a horseshoe clip relatively than friction in shape, enabling it to be inserted or removed with straightforward tools. Chain with a removable url or pin is also recognized as cottered chain, which allows the size of the chain to be adjusted. 50 percent hyperlinks (also known as offsets) are obtainable and are used to enhance the size of the chain by a single roller. Riveted roller chain has the grasp hyperlink (also acknowledged as a connecting website link) “riveted” or mashed on the finishes. These pins are manufactured to be sturdy and are not removable.


An illustration of 2 ‘ghost’ sprockets 10sioning a triplex roller chain technique
Roller chains are utilized in lower- to mid-speed drives at around 600 to 800 feet per moment nevertheless, at larger speeds, all around 2,000 to 3,000 toes per moment, V-belts are usually utilized because of to use and sound troubles.
A bicycle chain is a form of roller chain. Bicycle chains might have a master hyperlink, or could require a chain resource for removing and installation. A similar but more substantial and as a result more powerful chain is used on most motorcycles even though it is occasionally changed by either a toothed belt or a shaft drive, which offer you decrease noise level and much less main10ance requirements.
The fantastic majority of auto engines use roller chains to drive the camshaft(s). Quite large performance engines of10 use equipment drive, and beginning in the early sixties toothed belts ended up utilised by some manufacturers.
Chains are also employed in forklifts making use of hydraulic rams as a pulley to CZPT and lower the carriage even so, these chains are not deemed roller chains, but are categorized as carry or leaf chains.
Chainsaw chopping chains superficially resemble roller chains but are a lot more carefully relevant to leaf chains. They are pushed by projecting generate backlinks which also provide to track down the chain on to the bar.

Sea Harrier FA.2 ZA195 entrance (cold) vector thrust nozzle – the nozzle is rotated by a chain travel from an air motor
A possibly unusual use of a pair of bike chains is in the Harrier Leap Jet, the place a chain drive from an air motor is utilized to rotate the movable motor nozzles, making it possible for them to be pointed downwards for hovering flight, or to the rear for regular forward flight, a system known as Thrust vectoring.

Put on


The influence of dress in on a roller chain is to improve the pitch (spacing of the links), causing the chain to grow longer. Observe that this is due to wear at the pivoting pins and bushes, not from real stretching of the steel (as does occur to some versatile steel comp1nts this kind of as the hand-brake cable of a motor vehicle).

With CZPT chains it is abnormal for a chain (other than that of a bicycle) to dress in until it breaks, because a worn chain prospects to the speedy onset of put on on the tooth of the sprockets, with greatest failure becoming the loss of all the teeth on the sprocket. The sprockets (in distinct the smaller sized of the 2) endure a grinding movement that puts a characteristic hook shape into the driven encounter of the tooth. (This influence is made even worse by a chain improperly 10si1d, but is unavoidable no make a difference what care is taken). The worn tooth (and chain) no lengthier offers sleek transmission of power and this may turn into evident from the noise, the vibration or (in vehicle engines utilizing a timing chain) the variation in ignition timing noticed with a timing light. Both sprockets and chain need to be replaced in these circumstances, given that a new chain on worn sprockets will not final long. Even so, in less extreme cases it may possibly be achievable to help save the greater of the 2 sprockets, since it is constantly the smaller 1 that suffers the most dress in. Only in quite light-w8 apps this sort of as a bicycle, or in extreme circumstances of inappropriate 10sion, will the chain usually soar off the sprockets.

The lengthening due to wear of a chain is calculated by the adhering to formulation:

M = the length of a number of hyperlinks calculated

S = the amount of back links calculated

P = Pitch

In sector, it is usual to monitor the motion of the chain 10si1r (whether handbook or automated) or the actual length of a drive chain (1 rule of thumb is to exchange a roller chain which has elongated 3% on an adjustable push or 1.5% on a fixed-middle generate). A simpler strategy, notably appropriate for the cycle or motorcycle consumer, is to endeavor to pull the chain absent from the larger of the 2 sprockets, while making sure the chain is taut. Any substantial movement (e.g. creating it attainable to see by way of a gap) probably implies a chain worn up to and beyond the limit. Sprocket hurt will consequence if the dilemma is ignored. Sprocket use cancels this influence, and might mask chain put on.

CHAIN Strength

The most common measure of roller chain’s strength is 10sile energy. Tensile toughness signifies how significantly load a chain can endure underneath a 1-time load just before breaking. Just as crucial as 10sile power is a chain’s exhaustion toughness. The critical variables in a chain’s fatigue toughness is the quality of metal utilised to CZPT the chain, the heat treatment of the chain comp1nts, the high quality of the pitch hole fabrication of the linkplates, and the type of shot plus the in10sity of shot peen coverage on the linkplates. Other aspects can incorporate the thickness of the linkplates and the design and style (contour) of the linkplates. The rule of thumb for roller chain running on a continuous drive is for the chain load to not CZPT a mere 1/6 or 1/9 of the chain’s 10sile strength, depending on the type of grasp backlinks used (press-suit vs. slip-fit)[quotation necessary]. Roller chains running on a continuous travel beyond these thresholds can and generally do are unsuccessful prematurely by means of linkplate exhaustion failure.

The normal minimal greatest toughness of the ANSI 29.1 metal chain is twelve,five hundred x (pitch, in inches)2. X-ring and O-Ring chains significantly reduce use by means of inner lubricants, rising chain daily life. The internal lubrication is inserted by indicates of a vacuum when riveting the chain together.


Specifications businesses (this kind of as ANSI and ISO) preserve requirements for style, proportions, and interchangeability of transmission chains. For case in point, the subsequent Table demonstrates data from ANSI normal B29.1-2011 (Precision Energy Transmission Roller Chains, Attachments, and Sprockets) designed by the American Society of Mechanical Engineers (ASME). See the references[8][9][10] for additional details.

ASME/ANSI B29.1-2011 Roller Chain Standard SizesSizePitchMaximum Roller DiameterMinimum Ultimate Tensile StrengthMeasuring Load25

ASME/ANSI B29.1-2011 Roller Chain Normal Measurements
Size Pitch Optimum Roller Diameter Bare minimum Ultimate Tensile Toughness Measuring Load
twenty five .250 in (6.35 mm) .a hundred thirty in (3.thirty mm) 780 lb (350 kg) eighteen lb (8.2 kg)
35 .375 in (9.53 mm) .200 in (5.08 mm) one,760 lb (800 kg) 18 lb (8.2 kg)
41 .500 in (12.70 mm) .306 in (7.seventy seven mm) one,five hundred lb (680 kg) 18 lb (8.2 kg)
forty .500 in (twelve.70 mm) .312 in (7.ninety two mm) three,a hundred twenty five lb (1,417 kg) 31 lb (14 kg)
50 .625 in (fifteen.88 mm) .400 in (10.16 mm) 4,880 lb (2,210 kg) 49 lb (22 kg)
60 .750 in (19.05 mm) .469 in (11.ninety one mm) 7,030 lb (3,190 kg) 70 lb (32 kg)
eighty 1.000 in (twenty five.forty mm) .625 in (fifteen.88 mm) 12,five hundred lb (5,seven hundred kg) a hundred twenty five lb (57 kg)
a hundred 1.250 in (31.75 mm) .750 in (19.05 mm) 19,531 lb (8,859 kg) 195 lb (88 kg)
a hundred and twenty 1.five hundred in (38.10 mm) .875 in (22.23 mm) 28,one hundred twenty five lb (twelve,757 kg) 281 lb (127 kg)
140 1.750 in (forty four.forty five mm) one.000 in (25.40 mm) 38,280 lb (seventeen,360 kg) 383 lb (174 kg)
one hundred sixty two.000 in (50.80 mm) one.a hundred twenty five in (28.58 mm) fifty,000 lb (23,000 kg) 500 lb (230 kg)
one hundred eighty two.250 in (57.15 mm) 1.460 in (37.08 mm) sixty three,280 lb (28,seven-hundred kg) 633 lb (287 kg)
two hundred 2.five hundred in (63.50 mm) 1.562 in (39.sixty seven mm) seventy eight,one hundred seventy five lb (35,460 kg) 781 lb (354 kg)
240 3.000 in (76.20 mm) one.875 in (47.63 mm) 112,500 lb (fifty one,000 kg) 1,000 lb (450 kg

For mnemonic reasons, below is an additional presentation of important dimensions from the exact same common, expressed in fractions of an inch (which was element of the pondering powering the option of favored figures in the ANSI common):

Pitch (inches) Pitch expressed
in 8hs
ANSI regular
chain variety
Width (inches)
one4 2eight two5 one8
three8 three8 35 threesixteen
one2 48 fourone one4
1two foureight four 516
fiveeight fiveeight 5 38
three4 68 6 one2
1 eight8 8 five8

one. The pitch is the distance in between roller centers. The width is the distance in between the url plates (i.e. somewhat a lot more than the roller width to allow for clearance).
two. The right-hand digit of the common denotes 0 = regular chain, 1 = lightw8 chain, 5 = rollerless bushing chain.
3. The remaining-hand digit denotes the quantity of 8hs of an inch that make up the pitch.
4. An “H” subsequent the common quantity denotes heavyw8 chain. A hyphenated amount pursuing the normal number denotes double-strand (2), triple-strand (3), and so on. Therefore 60H-3 denotes variety sixty heavyw8 triple-strand chain.
 A typical bicycle chain (for derailleur gears) makes use of slender 1⁄2-inch-pitch chain. The width of the chain is variable, and does not influence the load capability. The more sprockets at the rear wheel (traditionally 3-6, today 7-twelve sprockets), the narrower the chain. Chains are marketed in accordance to the variety of speeds they are made to perform with, for instance, “10 speed chain”. Hub equipment or solitary pace bicycles use 1/2″ x 1/8″ chains, where 1/8″ refers to the maximum thickness of a sprocket that can be used with the chain.

Typically chains with parallel formed back links have an even number of links, with every slim website link adopted by a broad 1. Chains created up with a uniform variety of website link, narrow at 1 and wide at the other finish, can be made with an odd variety of backlinks, which can be an gain to adapt to a special chainwheel-distance on the other facet such a chain 10ds to be not so strong.

Roller chains produced making use of ISO regular are occasionally known as as isochains.


WHY Pick US 

one. Reputable High quality Assurance Program
2. Slicing-Edge Personal computer-Managed CNC Equipment
three. Bespoke Remedies from Extremely Skilled Experts
four. Customization and OEM Accessible for Distinct Software
5. Ex10sive Inventory of Spare Components and Accessories
6. Well-Designed Throughout the world Marketing Ne2rk
7. Successful After-Sale Service Program


The 219 sets of innovative automatic production tools supply assures for substantial product top quality. The 167 engineers and professionals with senior skilled titles can layout and create products to meet up with the specific requires of clients, and OEM customizations are also available with us. Our audio global provider ne2rk can give clients with timely soon after-sales technical solutions.

We are not just a manufacturer and provider, but also an business advisor. We operate pro-actively with you to supply specialist guidance and product tips in order to finish up with a most value effective merchandise available for your certain software. The clientele we provide globally selection from stop users to distributors and OEMs. Our OEM replacements can be substituted wherever necessary and appropriate for each restore and new assemblies.


Like all of our roller chains, our single-strand roller chains are heat dipped to make sure one hundred% lubricated components and warmth dealt with to enhance put on resistance. Our very hot dip lubrication technique assures that every solitary strand roller chain operates at maximum capacity and wear life for as lengthy as possible. EP Chain proudly offers very durable single chain roller chains for your comfort. Every single of our one-strand roller chains is preloaded throughout the manufacturing method, efficiently minimizing first elongation after you obtain your solution. You will locate our one-strand roller chains utilised in a variety of programs, these kinds of as the foodstuff industry or conveyor belts. At EP Chain, we understand that downtime can indicate lost business and income. Our solitary-strand roller chains are the missing hyperlink your business demands to preserve equipment and every day operations managing effortlessly.
Below are some rewards of chain drives more than belt and gear drives: They can be used for prolonged and quick distances. Several axles, are driven by chains. They are compact and have a tiny total measurement, so even in the function of a hearth, you will not knowledge any bad problems. Temperature and ambient circumstances do not affect its operation. Chain drives do not require first pressure. They are very efficient (up to 96%) and have no slip and creep throughout transmission, guaranteeing a best gear ratio. Chain push, simple to put in. Chain drives are reduced servicing, withstand abrasive circumstances and run in soaked problems

China Free Design Custom Gearbox Conveyor Transmission General Hardware Parts Heavy Duty Sp Series Roller Chains     Professional