DIN/ISO/ANSI Factory Price High Quality Custom 304ss 306ss Simplex Roller Chain Sprocket Wheel Sprocket

• Customization: Available
• Standard Or Nonstandard: Standard
• Application: Machinery, Agricultural Machinery, Food and Beverage Industry, Motorcycle Parts
• Model NO.: SMCC
• Manufacturing Method: Cast Gear
• Toothed Portion Shape: Bevel Wheel
• Material: Stainless Steel
• Type: Non-Circular Gear
• Number of Row: Single Row
• After-Sales Service: 7*24hours
• Warranty: 1 Year
• Usage: Conveyor Chain
• Feature: Fire Resistant
• Structure: Roller Chain
• Chain Size: Pitch 12.70mm
• Color: Natural
• Function: Moisture and Acid Against
• Certificationtion: ISO90001, SGS
• Packaging: Industrial Packing or Customers′ Request
• Attachment: Two-Sided
• Transport Package: Carton Cases. Pallet or Wooden Box
• Specification: 08B-72B; 08A-48A
• Trademark: SMCC OR NO MARK
• Origin: China
• HS Code: 7315119000
• Production Capacity: 5000000meters/Year
• Package Size: 50.00cm * 40.00cm * 30.00cm
• Package Gross Weight: 100.000kg

Product Description

BASIC INFO 
SMCC roller chain is one of the most widely used and welcome products in the market. Its continuous innovative development is suitable to be the solutions for many conditions, standard roller chains, motorcycle driving chain, O-ring motorcycle chain, high strength roller chain, conveyor chains, agricultural driving chain, galvanized chain, nickel-plated chain, lubrication-free chain and oilfield chain etc.

ISO Chain No.	Chain No.	Pitch P mm	Roller diameter d1max mm	Width between inner plates b1min mm	Pin diameter d2max mm	Pin length		Inner plate depth h2max	Plate thickness t/Tmax	Tensile strength Qmin	Average tensile strength Q0	Weight per meter q
						Lmax	Lcmax
						mm	mm	mm	mm	kN/lbf	kN	kg/m
-	9.525		6	9.5	4.5	18.6	20	9.3	1.85/1.50	11.80/2653	13.6	0.61
420	420	12.7	7.77	6.25	3.96	14.7	16.1	12	1.5	16.00/3597	17.6	0.55
-	420F3	12.7	7.77	6.4	3.97	15	16.6	11.8	1.60/1.45	16.00/3597	17.6	0.64
-	420HF1	12.7	7.77	6.25	3.96	17	18.4	12	2.03	16.00/3597	17.6	0.76
-	420HT	12.7	7.77	6.25	3.96	17	-	12	2.03	21.40/4811	23.5	0.76
428	428	12.7	8.51	7.75	4.45	16.7	18.2	11.8	1.6	17.80/4002	19.6	0.7
-	428F1	12.7	8.51	7.94	4.5	16.7	18.05	11.8	1.6	17.15/3855	19.4	0.71
-	428DS	12.7	8.51	7.94	4.45	17.9	19.3	12	1.85	18.62/4186	21	0.76
428MH	428H	12.7	8.51	7.85	4.45	18.8	19.9	11.8	2.03	20.60/4631	23.4	0.79
-	428HF1	12.7	8.51	7.85	4.45	17.9	19	11.8	1.8	19.50/4384	20.7	0.74
-	428HSH	12.7	8.51	7.75	4.45	20	-	12	2.42	27.00/6070	29.4	0.89
-	428HF4	12.7	8.51	7.94	4.5	18.9	20.1	11.8	2.03	20.50/4609	23.4	0.82
-	428HD	12.7	8.51	7.85	4.45	18.8	19.9	11.8	2.03	20.60/4631	23.4	0.85
-	428F3	12.7	8.51	7.85	4.45	16.7	18.2	11.7	1.6	17.80/4002	19.6	0.77
-	428F4	12.7	8.51	7.85	4.45	16.7	18.2	11.8	1.6	17.80/4002	19.6	0.72
520	520	15.875	10.16	6.25	5.08	17.5	19	15.09	2.03	26.50/5957	29.7	0.89
-	520F2	15.875	10.16	6.35	5.24	17.5	19.05	15.09	2.03	26.50/5957	29.7	0.97
-	520F3	15.875	10.16	6.48	5.08	17.5	19	15.09	2.03	26.50/5957	29.7	0.89
520MH	520MH	15.875	10.22	6.25	5.25	19	21.2	15.3	2.2	30.50/6857	33.6	-
-	520HD	15.875	10.16	6.35	5.34	18.6	20	15.09	2.2	35.00/7868	38.5	1.04
525	525	15.875	10.16	7.95	5.08	19.3	20.7	15.09	2.03	26.50/5957	29.7	1.06
525MH	525MH	15.875	10.22	7.85	5.25	21.2	23.2	15.3	2.2	30.50/6857	33.6	-
-	525HF1	15.875	10.16	7.95	5.08	20.9	22.3	15.09	2.42	26.50/5957	29.7	1.2
530	530	15.875	10.16	9.4	5.08	20.7	22.2	15.09	2.03	26.50/5957	29.7	1.06
-	530SH	15.875	10.16	9.4	5.08	22.1	-	15.09	2.42	32.80/7374	33.5	1.24
-	520F12	15.875	10.16	6.25	5.25	17.6	-	15	2.03	29.43/6615	32.3	0.98
-	520HF7	15.875	10.22	7.8	5.3	21.35	-	15.3	2.8/2.42	40.00/8992	44	1.43
630	630	19.05	11.91	9.4	5.94	23	24.8	18	2.42	35.30/7936	38.8	-

Chain No.	Pitch P mm	Roller diameter d1 max mm	Width between inner plates b1 min mm	Pin diameter d2 max mm	Pin length		Inner plate depth h2 max mm	Plate thickness T max mm	Tensile strength Q min kN/lbf	Average tensile strength Q0 kN	Weight per meter q kg/m
					Lmax mm	Lcmax mm
420 OR	12.700	7.77	6.25	3.96	16.65	17.95	12.00	1.50	16.0/3599	17.00	0.62
420H OR	12.700	7.77	6.25	3.96	18.80	20.10	12.00	2.03	16.0/3599	17.00	0.74
428HVS	12.700	8.51	7.94	4.45	21.70	22.70	12.30	2.03	22.0/4946	23.00	0.85
50LD	15.875	10.16	9.53	5.08	23.40	24.60	15.09	2.03	22.2/5045	26.50	1.12
520 OR	15.875	10.16	6.70	5.30	21.20	22.30	15.09	2.20	32.0/7200	34.00	1.11
520F1 OR	15.875	10.16	6.25	5.30	21.20	22.30	15.09	2.20	32.0/7200	34.00	1.09
520F2 OR	15.875	10.16	9.65	5.30	24.10	25.50	15.09	2.20	32.0/7200	34.00	1.21
520V6	15.875	10.16	6.25	5.08	19.80	21.30	15.09	2.03	22.2/5045	26.50	0.96
520H OR	15.875	10.16	6.25	5.24	21.52	22.92	15.09	2.42	26.5/6022	29.60	1.26
525 OR	15.875	10.16	7.95	5.30	21.50	22.90	15.09	2.03	26.5/6022	29.60	1.30
525F1 OR	15.875	10.16	7.95	5.30	23.10	24.00	15.09	2.20	32.0/7200	34.00	1.16
520F14 OR	15.875	10.20	6.25	5.09	19.90	-	14.90	1.80	28.4/6391	30.60	0.92
525H OR	15.875	10.16	7.95	5.30	23.10	24.50	15.09	2.42	26.5/6022	29.60	1.44
530H OR	15.875	10.16	9.53	5.24	24.80	26.20	15.09	2.42	29.0/6524	30.00	1.39
630F1 OR	19.050	11.91	9.53	5.94	25.50	27.30	18.00	2.42	31.8/7149	35.00	1.50

 

ISO Chain No.	Chain No.	Pitch P mm	Bush diameter d1 max mm	Width between inner plates b1 min mm	Pin diameter d2 max mm	Pin length L max mm	Inner plate depth h2 max mm	Plate thickness t/T max mm	Tensile strength Q min kN/lbf	Average tensile strength Q0 kN	Weight per meter q kg/m
-	25	6.350	3.30	3.18	2.31	7.90	6.00	0.80	3.5/795	4.6	0.15
25H	25H	6.350	3.30	3.18	2.31	8.90	6.00	1.04	4.8/1091	5.5	0.17
-	25H(E)	6.350	3.30	3.18	2.31	8.90	6.00	1.04	5.8/1304	6.4	0.18
-	25HF2	6.350	3.30	3.18	2.31	9.10	5.80	1.2/1.10	5.8/1304	6.4	0.19
-	25SHF1	6.350	3.30	3.18	2.01	8.95	5.90	1.04	4.8/1091	5.5	0.19
219H	219H	7.774	4.59	5.00	3.01	11.90	7.40	1.2/1.04	7.3/1641	8.0	0.28
-	*C219H	7.774	4.59	5.00	3.01	11.90	7.40	1.2/1.04	7.3/1641	8.0	0.33
-	219HT	7.774	4.59	4.60	3.01	12.15	7.55	1.4/1.3	6.6/1483	7.2	0.33
-	219HF2	7.774	4.59	4.50	3.01	11.90	7.40	1.4/1.3	6.6/1483	7.2	0.31
-	219HF1	7.785	4.60	4.50	3.28	13.00	7.00	2.0/1.40	9.0/2024	9.8	0.37
270H	270H	8.500	5.00	4.75	3.28	13.15	8.45	1.8/1.40	10.8/2428	11.9	0.43

Package & Delivery

SMCC Chains is one of the most widely used and welcome products in the market. Its continuous innovative development is suitable to be the solutions for many conditions, standard roller chains, motorcycle driving chain, O-ring motorcycle chain, high strength roller chain, conveyor chains, agricultural driving chain, galvanized chain, nickel-plated chain, lubrication-free chain and oilfield chain etc.

Our SMCC chain was produced by machinery processing from raw materials to finished products and a full set of quality testing equipment. Mechanical processing equipment include grinding machines, high speed punching machines, milling machines, high speed automatic rolling and assembling machine. Heat treatment was processed by continuous mesh belt conveyor furnace, mesh belt conveyor annealing furnace, advanced central control system of heat treatment, rotary furnace for chain component heat treatment, which ensure the stability and consistency of the key function of chain components.
We are the best suppliers of Chinese largest palletizing robot enterprises. These items are durable quality with affordable prices, replace of Japan chains, Taiwan chains exported to Europe, America, Asia and other countries and regions.

 

CONSTRUCTION OF THE CHAIN

<sup>Two different sizes of roller chain, showing construction.
There are two types of links alternating in the bush roller chain. The first type is inner links, having two inner plates held together by two sleeves or bushings upon which rotate two rollers. Inner links alternate with the second type, the outer links, consisting of two outer plates held together by pins passing through the bushings of the inner links. The "bushingless" roller chain is similar in operation though not in construction; instead of separate bushings or sleeves holding the inner plates together, the plate has a tube stamped into it protruding from the hole which serves the same purpose. This has the advantage of removing one step in assembly of the chain.

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. There is even very low friction, as long as the chain is sufficiently lubricated. Continuous, clean, lubrication of roller chains is of primary importance for efficient operation as well as correct tensioning.</sup>

LUBRICATION

<sup>Many driving chains (for example, in factory equipment, or driving a camshaft inside an internal combustion engine) operate in clean environments, and thus the wearing surfaces (that is, the pins and bushings) are safe from precipitation and airborne grit, many even in a sealed environment such as an oil bath. Some roller chains are designed to have o-rings built into the space between the outside link plate and the inside roller link plates. Chain manufacturers began to include this feature in 1971 after the application was invented by Joseph Montano while working for Whitney Chain of Hartford, Connecticut. O-rings were included as a way to improve lubrication to the links of power transmission chains, a service that is vitally important to extending their working life. These rubber fixtures form a barrier that holds factory applied lubricating grease inside the pin and bushing wear areas. Further, the rubber o-rings prevent dirt and other contaminants from entering inside the chain linkages, where such particles would otherwise cause significant wear.[citation needed]

There are also many chains that have to operate in dirty conditions, and for size or operational reasons cannot be sealed. Examples include chains on farm equipment, bicycles, and chain saws. These chains will necessarily have relatively high rates of wear, particularly when the operators are prepared to accept more friction, less efficiency, more noise and more frequent replacement as they neglect lubrication and adjustment.

Many oil-based lubricants attract dirt and other particles, eventually forming an abrasive paste that will compound wear on chains. This problem can be circumvented by use of a "dry" PTFE spray, which forms a solid film after application and repels both particles and moisture.</sup>


MOTORCYCLE CHAIN LUBRICATION

<sup>Chains operating at high speeds comparable to those on motorcycles should be used in conjunction with an oil bath. For modern motorcycles this is not possible, and most motorcycle chains run unprotected. Thus, motorcycle chains tend to wear very quickly relative to other applications. They are subject to extreme forces and are exposed to rain, dirt, sand and road salt.

Motorcycle chains are part of the drive train to transmit the motor power to the back wheel. Properly lubricated chains can reach an efficiency of 98% or greater in the transmission. Unlubricated chains will significantly decrease performance and increase chain and sprocket wear.

Two types of aftermarket lubricants are available for motorcycle chains: spray on lubricants and oil drip feed systems.

Spray lubricants may contain wax or PTFE. While these lubricants use tack additives to stay on the chain they can also attract dirt and sand from the road and over time produce a grinding paste that accelerates component wear.
Oil drip feed systems continuously lubricate the chain and use light oil that does not stick to the chain. Research has shown that oil drip feed systems provide the greatest wear protection and greatest power saving.</sup>


VARIANTS DESIGN

<sup>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 application (for instance 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 one of the simpler types of chain may still be used. Conversely, where extra strength but the smooth drive of a smaller pitch is required, the chain may be "siamesed"; instead of just two rows of plates on the outer sides of the chain, there may be three ("duplex"), four ("triplex"), or more rows of plates running parallel, with bushings and rollers between each adjacent pair, and the same number of rows of teeth running in parallel on the sprockets to match. Timing chains on automotive engines, for example, typically have multiple rows of plates called strands.

Roller chain is made in several sizes, the most common American National Standards Institute (ANSI) standards being 40, 50, 60, and 80. The first digit(s) 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 a #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 (also known as a connecting 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 (also known as offsets) are available and are used to increase the length of the chain by a single roller. Riveted roller chain has the master link (also known as a connecting link) "riveted" or mashed on the ends. These pins are made to be durable and are not removable.</sup>


USE

An example of two 'ghost' sprockets tensioning a triplex roller chain system
Roller chains are used in low- to mid-speed drives at around 600 to 800 feet per minute; however, at higher speeds, around 2,000 to 3,000 feet per minute, V-belts are normally used due to wear and noise issues.
A bicycle chain is a form of roller chain. Bicycle chains may have a master link, or may require a chain tool for removal and installation. A similar but larger and thus stronger chain is used on most motorcycles although it is sometimes replaced by either a toothed belt or a shaft drive, which offer lower noise level and fewer maintenance requirements.
The great majority of automobile engines use roller chains to drive the camshaft(s). Very high performance engines often use gear drive, and starting in the early 1960s toothed belts were used by some manufacturers.
Chains are also used in forklifts using hydraulic rams as a pulley to raise and lower the carriage; however, these chains are not considered roller chains, but are classified as lift or leaf chains.
Chainsaw cutting chains superficially resemble roller chains but are more closely related to leaf chains. They are driven by projecting drive links which also serve to locate the chain onto the bar.

Sea Harrier FA.2 ZA195 front (cold) vector thrust nozzle - the nozzle is rotated by a chain drive from an air motor
A perhaps unusual use of a pair of motorcycle chains is in the Harrier Jump Jet, where a chain drive from an air motor is used to rotate the movable engine nozzles, allowing them to be pointed downwards for hovering flight, or to the rear for normal forward flight, a system known as Thrust vectoring.



BICYCLE CHAIN WEAR

The lightweight chain of a bicycle with derailleur gears can snap (or rather, come apart at the side-plates, since it is normal for the "riveting" to fail first) because the pins inside are not cylindrical, they are barrel-shaped. Contact between the pin and the bushing is not the regular line, but a point which allows the chain's pins to work its way through the bushing, and finally the roller, ultimately causing the chain to snap. This form of construction is necessary because the gear-changing action of this form of transmission requires the chain to both bend sideways and to twist, but this can occur with the flexibility of such a narrow chain and relatively large free lengths on a bicycle.

Chain failure is much less of a problem on hub-geared systems (e.g. Bendix 2-speed, Sturmey-Archer AW) since the parallel pins have a much bigger wearing surface in contact with the bush. The hub-gear system also allows complete enclosure, a great aid to lubrication and protection from grit.

CHAIN STRENGTH

The most common measure of roller chain's strength is tensile strength. Tensile strength represents how much load a chain can withstand under a one-time load before breaking. Just as important as tensile strength is a chain's fatigue strength. The critical factors in a chain's fatigue strength is the quality of steel used to manufacture the chain, the heat treatment of the chain components, the quality of the pitch hole fabrication of the linkplates, and the type of shot plus the intensity of shot peen coverage on the linkplates. Other factors can include the thickness of the linkplates and the design (contour) of the linkplates. The rule of thumb for roller chain operating on a continuous drive is for the chain load to not exceed a mere 1/6 or 1/9 of the chain's tensile strength, depending on the type of master links used (press-fit vs. slip-fit)^{[citation needed]}. Roller chains operating on a continuous drive beyond these thresholds can and typically do fail prematurely via linkplate fatigue failure.

The standard minimum ultimate strength of the ANSI 29.1 steel chain is 12,500 x (pitch, in inches)². X-ring and O-Ring chains greatly decrease wear by means of internal lubricants, increasing chain life. The internal lubrication is inserted by means of a vacuum when riveting the chain together.

CHAIN STANDARDS

Standards organizations (such as ANSI and ISO) maintain standards for design, dimensions, and interchangeability of transmission chains. For example, the following Table shows data from ANSI standard B29.1-2011 (Precision Power Transmission Roller Chains, Attachments, and Sprockets) developed by the American Society of Mechanical Engineers (ASME). See the references^[8][9][10] for additional information.

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

ASME/ANSI B29.1-2011 Roller Chain Standard Sizes
Size	Pitch	Maximum Roller Diameter	Minimum Ultimate Tensile Strength	Measuring Load
25	0.250 in (6.35 mm)	0.130 in (3.30 mm)	780 lb (350 kg)	18 lb (8.2 kg)
35	0.375 in (9.53 mm)	0.200 in (5.08 mm)	1,760 lb (800 kg)	18 lb (8.2 kg)
41	0.500 in (12.70 mm)	0.306 in (7.77 mm)	1,500 lb (680 kg)	18 lb (8.2 kg)
40	0.500 in (12.70 mm)	0.312 in (7.92 mm)	3,125 lb (1,417 kg)	31 lb (14 kg)
50	0.625 in (15.88 mm)	0.400 in (10.16 mm)	4,880 lb (2,210 kg)	49 lb (22 kg)
60	0.750 in (19.05 mm)	0.469 in (11.91 mm)	7,030 lb (3,190 kg)	70 lb (32 kg)
80	1.000 in (25.40 mm)	0.625 in (15.88 mm)	12,500 lb (5,700 kg)	125 lb (57 kg)
100	1.250 in (31.75 mm)	0.750 in (19.05 mm)	19,531 lb (8,859 kg)	195 lb (88 kg)
120	1.500 in (38.10 mm)	0.875 in (22.23 mm)	28,125 lb (12,757 kg)	281 lb (127 kg)
140	1.750 in (44.45 mm)	1.000 in (25.40 mm)	38,280 lb (17,360 kg)	383 lb (174 kg)
160	2.000 in (50.80 mm)	1.125 in (28.58 mm)	50,000 lb (23,000 kg)	500 lb (230 kg)
180	2.250 in (57.15 mm)	1.460 in (37.08 mm)	63,280 lb (28,700 kg)	633 lb (287 kg)
200	2.500 in (63.50 mm)	1.562 in (39.67 mm)	78,175 lb (35,460 kg)	781 lb (354 kg)
240	3.000 in (76.20 mm)	1.875 in (47.63 mm)	112,500 lb (51,000 kg)	1,000 lb (450 kg

For mnemonic purposes, below is another presentation of key dimensions from the same standard, expressed in fractions of an inch (which was part of the thinking behind the choice of preferred numbers in the ANSI standard):

Pitch (inches)	Pitch expressed in eighths	ANSI standard chain number	Width (inches)
^1⁄4	^2⁄8	25	^1⁄8
^3⁄8	^3⁄8	35	^3⁄16
^1⁄2	^4⁄8	41	^1⁄4
^1⁄2	^4⁄8	40	^5⁄16
^5⁄8	^5⁄8	50	^3⁄8
^3⁄4	^6⁄8	60	^1⁄2
1	^8⁄8	80	^5⁄8

Notes:
1. The pitch is the distance between roller centers. The width is the distance between the link plates (i.e. slightly more than the roller width to allow for clearance).
2. The right-hand digit of the standard denotes 0 = normal chain, 1 = lightweight chain, 5 = rollerless bushing chain.
3. The left-hand digit denotes the number of eighths of an inch that make up the pitch.
4. An "H" following the standard number denotes heavyweight chain. A hyphenated number following the standard number denotes double-strand (2), triple-strand (3), and so on. Thus 60H-3 denotes number 60 heavyweight triple-strand chain.
A typical bicycle chain (for derailleur gears) uses narrow 1⁄2-inch-pitch chain. The width of the chain is variable, and does not affect the load capacity. The more sprockets at the rear wheel (historically 3-6, nowadays 7-12 sprockets), the narrower the chain. Chains are sold according to the number of speeds they are designed to work with, for example, "10 speed chain". Hub gear or single speed 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 shaped links have an even number of links, with each narrow link followed by a broad one. Chains built up with a uniform type of link, narrow at one and broad at the other end, can be made with an odd number of links, which can be an advantage to adapt to a special chainwheel-distance; on the other side such a chain tends to be not so strong.

Roller chains made using ISO standard are sometimes called as isochains.



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