Product Description
SPROCKET 5/8” X 3/8” 10B SERIES SPROCKETS
| For Chain Acc.to DIN8187 ISO/R 606 | |||||
| Tooth Radius r3 | 16.0mm | ||||
| Radius Width C | 1.6mm | ||||
| Tooth Width b1 | 9.0mm | ||||
| Tooth Width B1 | 9.1mm | ||||
| Tooth Width B2 | 25.5mm | ||||
| Tooth Width B3 | 42.1mm | ||||
| 10B SERIES ROLLER CHAINS | |||||
| Pitch | 15.875 mm | ||||
| Internal Width | 9.65 mm | ||||
| Roller Diameter | 10.16 mm | ||||
| Z | de | dp | SIMPLEX | DUPLEX | TRIPLEX | ||||||
| dm | D1 | A | dm | D2 | A | dm | D3 | A | |||
| 8 | 47.0 | 41.48 | 25 | 10 | 25 | 25 | 12 | 40 | 25 | 12 | 55 |
| 9 | 52.6 | 46.42 | 30 | 10 | 25 | 30 | 12 | 40 | 30 | 12 | 55 |
| 10 | 57.5 | 51.37 | 35 | 10 | 25 | 35 | 12 | 40 | 35 | 12 | 55 |
| 11 | 63.0 | 56.34 | 37 | 12 | 30 | 39 | 14 | 40 | 39 | 16 | 55 |
| 12 | 68.0 | 61.34 | 42 | 12 | 30 | 44 | 14 | 40 | 44 | 16 | 55 |
| 13 | 73.0 | 66.32 | 47 | 12 | 30 | 49 | 14 | 40 | 49 | 16 | 55 |
| 14 | 78.0 | 71.34 | 52 | 12 | 30 | 54 | 14 | 40 | 54 | 16 | 55 |
| 15 | 83.0 | 76.36 | 57 | 12 | 30 | 59 | 14 | 40 | 59 | 16 | 55 |
| 16 | 88.0 | 81.37 | 60 | 12 | 30 | 64 | 16 | 45 | 64 | 16 | 60 |
| 17 | 93.0 | 86.39 | 60 | 12 | 30 | 69 | 16 | 45 | 69 | 16 | 60 |
| 18 | 98.3 | 91.42 | 70 | 14 | 30 | 74 | 16 | 45 | 74 | 16 | 60 |
| 19 | 103.3 | 96.45 | 70 | 14 | 30 | 79 | 16 | 45 | 79 | 16 | 60 |
| 20 | 108.4 | 101.49 | 75 | 14 | 30 | 84 | 16 | 45 | 84 | 16 | 60 |
| 21 | 113.4 | 106.52 | 75 | 16 | 30 | 85 | 16 | 45 | 85 | 20 | 60 |
| 22 | 118.0 | 111.55 | 80 | 16 | 30 | 90 | 16 | 45 | 90 | 20 | 60 |
| 23 | 123.5 | 116.58 | 80 | 16 | 30 | 95 | 16 | 45 | 95 | 20 | 60 |
| 24 | 128.3 | 121.62 | 80 | 16 | 30 | 100 | 16 | 45 | 100 | 20 | 60 |
| 25 | 134.0 | 126.66 | 80 | 16 | 30 | 105 | 16 | 45 | 105 | 20 | 60 |
| 26 | 139.0 | 131.70 | 85 | 20 | 35 | 110 | 20 | 45 | 110 | 20 | 60 |
| 27 | 144.0 | 136.75 | 85 | 20 | 35 | 110 | 20 | 45 | 110 | 20 | 60 |
| 28 | 148.7 | 141.78 | 90 | 20 | 35 | 115 | 20 | 45 | 115 | 20 | 60 |
| 29 | 153.8 | 146.83 | 90 | 20 | 35 | 115 | 20 | 45 | 115 | 20 | 60 |
| 30 | 158.8 | 151.87 | 90 | 20 | 35 | 120 | 20 | 45 | 120 | 20 | 60 |
| 31 | 163.9 | 156.92 | 95 | 20 | 35 | 120 | 20 | 45 | 120 | 20 | 60 |
| 32 | 168.9 | 161.95 | 95 | 20 | 35 | 120 | 20 | 45 | 120 | 20 | 60 |
| 33 | 174.5 | 167.00 | 95 | 20 | 35 | 120 | 20 | 45 | 120 | 20 | 60 |
| 34 | 179.0 | 172.05 | 95 | 20 | 35 | 120 | 20 | 45 | 120 | 20 | 60 |
| 35 | 184.1 | 177.10 | 95 | 20 | 35 | 120 | 20 | 45 | 120 | 20 | 60 |
| 36 | 189.1 | 182.15 | 100 | 20 | 35 | 120 | 20 | 45 | 120 | 25 | 60 |
| 37 | 194.2 | 187.20 | 100 | 20 | 35 | 120 | 20 | 45 | 120 | 25 | 60 |
| 38 | 199.2 | 192.24 | 100 | 20 | 35 | 120 | 20 | 45 | 120 | 25 | 60 |
| 39 | 204.2 | 197.29 | 100 | 20 | 35 | 120 | 20 | 45 | 120 | 25 | 60 |
| 40 | 209.3 | 202.34 | 100 | 20 | 35 | 120 | 20 | 45 | 120 | 25 | 60 |
| 41 | 214.8 | 207.38 | *100 | 20 | 40 | 120 | 20 | 50 | *130 | 25 | 60 |
| 42 | 2,199 | 212.43 | *100 | 20 | 40 | 120 | 20 | 50 | *130 | 25 | 60 |
| 43 | 224.9 | 217.48 | *100 | 20 | 40 | 120 | 20 | 50 | *130 | 25 | 60 |
| 44 | 230.0 | 222.53 | *100 | 20 | 40 | 120 | 20 | 50 | *130 | 25 | 60 |
| 45 | 235.0 | 227.58 | *100 | 20 | 40 | *120 | 20 | 50 | *130 | 25 | 60 |
| 46 | 240.1 | 232.63 | *100 | 20 | 40 | *120 | 20 | 50 | *130 | 25 | 60 |
| 47 | 245.1 | 237.68 | *100 | 20 | 40 | *120 | 20 | 50 | *130 | 25 | 60 |
| 48 | 250.2 | 242.73 | *100 | 20 | 40 | *120 | 20 | 50 | *130 | 25 | 60 |
| 49 | 255.2 | 247.78 | *100 | 20 | 40 | *120 | 20 | 50 | *130 | 25 | 60 |
| 50 | 260.3 | 252.82 | *100 | 20 | 40 | *120 | 20 | 50 | *130 | 25 | 60 |
| 51 | 265.3 | 257.87 | *100 | 20 | 40 | *120 | 20 | 50 | *130 | 25 | 60 |
| 52 | 270.4 | 262.92 | *100 | 20 | 40 | *120 | 20 | 50 | *130 | 25 | 60 |
| 53 | 275.4 | 267.97 | *100 | 20 | 40 | *120 | 20 | 50 | *130 | 25 | 60 |
| 54 | 280.5 | 273.03 | *100 | 20 | 40 | *120 | 20 | 50 | *130 | 25 | 60 |
| 55 | 285.5 | 278.08 | *100 | 20 | 40 | *120 | 20 | 50 | *130 | 25 | 60 |
| 56 | 290.6 | 283.13 | *100 | 20 | 40 | *120 | 20 | 50 | *130 | 25 | 60 |
| 57 | 296.0 | 288.18 | *100 | 20 | 40 | *120 | 20 | 50 | *130 | 25 | 60 |
| 58 | 300.7 | 293.23 | *100 | 20 | 43 | *120 | 20 | 57 | *130 | 25 | 64 |
| 59 | 305.7 | 298.28 | *100 | 20 | 43 | *120 | 20 | 57 | *130 | 25 | 64 |
| 60 | 310.8 | 303.33 | *100 | 20 | 43 | *120 | 20 | 57 | *130 | 25 | 64 |
| 62 | 321.4 | 313.43 | *100 | 20 | 43 | *120 | 20 | 57 | *130 | 25 | 64 |
| 64 | 331.5 | 323.53 | *100 | 20 | 43 | *120 | 20 | 57 | *130 | 25 | 67 |
| 65 | 336.5 | 328.58 | *100 | 20 | 43 | *120 | 20 | 57 | *130 | 25 | 67 |
| 66 | 341.6 | 333.64 | *100 | 20 | 43 | *120 | 20 | 57 | *130 | 25 | 67 |
| 68 | 351.7 | 343.74 | *100 | 20 | 43 | *120 | 20 | 57 | *130 | 25 | 67 |
| 70 | 361.8 | 353.84 | *100 | 20 | 43 | *120 | 20 | 57 | *130 | 25 | 67 |
| 72 | 371.9 | 363.94 | *100 | 20 | 43 | *120 | 20 | 57 | *130 | 25 | 67 |
| 75 | 387.1 | 379.10 | *100 | 20 | 43 | *120 | 20 | 57 | *130 | 25 | 67 |
| 76 | 392.1 | 384.15 | *100 | 20 | 43 | *120 | 20 | 57 | *130 | 25 | 67 |
| 78 | 402.2 | 394.25 | *100 | 20 | 43 | *120 | 20 | 57 | *130 | 25 | 67 |
| 80 | 412.3 | 404.36 | *100 | 20 | 43 | *130 | 20 | 57 | *130 | 25 | 67 |
| 85 | 437.6 | 429.62 | *100 | 20 | 50 | *130 | 20 | 58 | *130 | 25 | 67 |
| 90 | 462.8 | 454.88 | *100 | 20 | 50 | *130 | 20 | 58 | *130 | 25 | 67 |
| 95 | 488.5 | 480.14 | *100 | 20 | 50 | *130 | 20 | 58 | *130 | 25 | 67 |
| 100 | 513.4 | 505.40 | *100 | 20 | 50 | *130 | 20 | 58 | *130 | 25 | 67 |
| 110 | 563.9 | 555.92 | *100 | 20 | 50 | *130 | 20 | 58 | *130 | 25 | 67 |
| 114 | 584.1 | 576.13 | *100 | 20 | 50 | *130 | 20 | 58 | *130 | 25 | 67 |
| 120 | 614.4 | 606.45 | *100 | 20 | 50 | *130 | 20 | 58 | *130 | 25 | 67 |
| 125 | 639.7 | 631.51 | *100 | 20 | 50 | *130 | 20 | 58 | *130 | 25 | 67 |
Notice: *welding hub
BASIC INFO.
| Product name | DIN ISO Standard Sprocket for Roller Chain |
| Materials Available | 1. Stainless Steel: SS304, SS316, etc |
| 2. Alloy Steel: C45, 45Mn, 42CrMo, 20CrMo, etc | |
| 3. OEM according to your request | |
| Surface Treatment | Heat treatment, Quenching treatment, High frequency normalizing treatment, Polishing, Electrophoresis paint processing, Anodic oxidation treatment, etc |
| Characteristic | Fire Resistant, Oil Resistant, Heat Resistant, CZPT resistance, Oxidative resistance, Corrosion resistance, etc |
| Design criterion | ISO DIN ANSI & Customer Drawings |
| Size | Customer Drawings & ISO standard |
| Application | Industrial transmission equipment |
| Package | Wooden Case / Container and pallet, or made-to-order |
| Certificate | ISO9001: 2008 |
| Advantage | Quality first, Service first, Competitive price, Fast delivery |
| Delivery Time | 20 days for samples. 45 days for official order. |
INSTALLATION AND USING
The chain spoket, as a drive or deflection for chains, has pockets to hold the chain links with a D-profile cross section with flat side surfaces parallel to the centre plane of the chain links, and outer surfaces at right angles to the chain link centre plane. The chain links are pressed firmly against the outer surfaces and each of the side surfaces by the angled laying surfaces at the base of the pockets, and also the support surfaces of the wheel body together with the end sides of the webs formed by the leading and trailing walls of the pocket.
NOTICE
When fitting new chainwheels it is very important that a new chain is fitted at the same time, and vice versa. Using an old chain with new sprockets, or a new chain with old sprockets will cause rapid wear.
It is important if you are installing the chainwheels yourself to have the factory service manual specific to your model. Our chainwheels are made to be a direct replacement for your OEM chainwheels and as such, the installation should be performed according to your models service manual.
During use a chain will stretch (i.e. the pins will wear causing extension of the chain). Using a chain which has been stretched more than the above maximum allowance causes the chain to ride up the teeth of the sprocket. This causes damage to the tips of the chainwheels teeth, as the force transmitted by the chain is transmitted entirely through the top of the tooth, rather than the whole tooth. This results in severe wearing of the chainwheel.
FOR CHAIN STHangZhouRDS
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 1 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.
WHY CHOOSE US
1. Reliable Quality Assurance System
2. Cutting-Edge Computer-Controlled CNC Machines
3. Bespoke Solutions from Highly Experienced Specialists
4. Customization and OEM Available for Specific Application
5. Extensive Inventory of Spare Parts and Accessories
6. Well-Developed CZPT Marketing Network
7. Efficient After-Sale Service System
The 219 sets of advanced automatic production equipment provide guarantees for high product quality. The 167 engineers and technicians with senior professional titles can design and develop products to meet the exact demands of customers, and OEM customizations are also available with us. Our sound global service network can provide customers with timely after-sales technical services.
We are not just a manufacturer and supplier, but also an industry consultant. We work pro-actively with you to offer expert advice and product recommendations in order to end up with a most cost effective product available for your specific application. The clients we serve CZPT range from end users to distributors and OEMs. Our OEM replacements can be substituted wherever necessary and suitable for both repair and new assemblies.
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| Standard Or Nonstandard: | Standard, Nonstandard |
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| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Motor, Electric Cars, Motorcycle, Machinery |
| Hardness: | Hardened Tooth Surface |
| Samples: |
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Available
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What are the Maintenance Requirements for a wheel sprocket Assembly?
Proper maintenance of the wheel sprocket assembly is essential to ensure its optimal performance and longevity. Here are some maintenance tips:
- Regular Cleaning: Keep the wheel sprocket assembly clean from dirt, debris, and grime. Regularly wipe down the sprockets and chain to prevent buildup, which can lead to accelerated wear.
- Lubrication: Apply a suitable lubricant to the chain and sprockets to reduce friction and wear. Lubrication also helps in maintaining smooth operation and preventing corrosion. However, avoid over-lubrication, as excessive grease can attract more dirt.
- Chain Tension: Check the tension of the chain regularly. A loose chain can result in slippage and damage to the sprockets, while an overly tight chain can increase wear and strain on the components. Adjust the chain tension as per the manufacturer’s guidelines.
- Inspection: Periodically inspect the sprockets and chain for signs of wear, damage, or elongation. Replace any worn-out or damaged components promptly to avoid further issues.
- Alignment: Ensure proper alignment of the sprockets and wheels. Misalignment can lead to uneven wear and reduced efficiency. Adjust the alignment as needed to maintain smooth power transmission.
- Replace Worn Parts: Over time, sprockets and chains will wear out due to regular use. Replace worn sprockets or chains with new ones from reputable suppliers to maintain optimal performance.
- Environmental Considerations: In certain applications, exposure to harsh environments or extreme temperatures may require more frequent maintenance and inspection.
By following these maintenance practices, you can extend the lifespan of the wheel sprocket assembly and ensure reliable operation in various applications.

Extending the Lifespan of a wheel sprocket Assembly
To ensure a long lifespan for your wheel sprocket assembly, consider the following maintenance and operational practices:
- Regular Lubrication: Apply the appropriate lubricant to the sprocket teeth and chain or belt regularly. Lubrication reduces friction, wear, and the likelihood of premature failure.
- Proper Tension: Maintain the correct tension in the chain or belt to prevent excessive stress and wear. Follow the manufacturer’s guidelines for tensioning.
- Alignment: Ensure precise alignment between the wheel sprocket. Misalignment can cause accelerated wear and increase the risk of failure.
- Inspections: Regularly inspect the wheel, sprocket, chain, or belt for signs of wear, damage, or fatigue. Replace any worn-out or damaged components promptly.
- Cleanliness: Keep the wheel sprocket assembly clean from dirt, debris, and contaminants that can contribute to wear and corrosion.
- Correct Usage: Operate the machinery within the recommended speed, load, and temperature limits specified by the manufacturer.
- Training and Operator Awareness: Ensure that equipment operators are properly trained to use the machinery correctly and are aware of maintenance procedures.
- Use Quality Components: Invest in high-quality wheels, sprockets, chains, or belts from reputable suppliers to improve durability and reliability.
- Replace Components in Sets: When replacing parts, consider replacing the entire set (e.g., chain and sprockets) to maintain uniform wear and performance.
- Address Vibration Issues: Excessive vibration can accelerate wear. Investigate and address any vibration problems promptly.
By following these practices, you can significantly extend the lifespan of your wheel sprocket assembly, reduce downtime, and enhance the overall efficiency and safety of your machinery.

Calculating Gear Ratio for a wheel sprocket Setup
In a wheel sprocket system, the gear ratio represents the relationship between the number of teeth on the sprocket and the number of teeth on the wheel. The gear ratio determines the speed and torque relationship between the two components. To calculate the gear ratio, use the following formula:
Gear Ratio = Number of Teeth on Sprocket ÷ Number of Teeth on Wheel
For example, if the sprocket has 20 teeth and the wheel has 60 teeth, the gear ratio would be:
Gear Ratio = 20 ÷ 60 = 1/3
The gear ratio can also be expressed as a decimal or percentage. In the above example, the gear ratio can be expressed as 0.3333 or 33.33%.
It’s important to note that the gear ratio affects the rotational speed and torque of the wheel sprocket. A gear ratio greater than 1 indicates that the sprocket’s speed is higher than the wheel’s speed, resulting in increased rotational speed and reduced torque at the wheel. Conversely, a gear ratio less than 1 indicates that the sprocket’s speed is lower than the wheel’s speed, resulting in decreased rotational speed and increased torque at the wheel.
The gear ratio is crucial in various applications where precise control of speed and torque is required, such as bicycles, automobiles, and industrial machinery.


editor by CX 2024-04-02