Product Description
SPROCKET 1/2” X 5/16” 08B SERIES SPROCKETS
| For Chain Acc.to DIN8187 ISO/R 606 | |||||
| Tooth Radius r3 | 13.0mm | ||||
| Radius Width C | 1.3mm | ||||
| Tooth Width b1 | 7.0mm | ||||
| Tooth Width B1 | 7.2mm | ||||
| Tooth Width B2 | 21.0mm | ||||
| Tooth Width B3 | 34.9mm | ||||
| 08B SERIES ROLLER CHAINS | |||||
| Pitch | 12.7 mm | ||||
| Internal Width | 7.75 mm | ||||
| Roller Diameter | 8.51 mm | ||||
| Z | de | dp | SIMPLEX | DUPLEX | TRIPLEX |
| D1 | D2 | D3 | |||
| 8 | 37.2 | 33.18 | 8 | 10 | 10 |
| 9 | 41.0 | 37.13 | 8 | 10 | 10 |
| 10 | 45.2 | 41.10 | 8 | 10 | 10 |
| 11 | 48.7 | 45.07 | 10 | 10 | 12 |
| 12 | 53.0 | 49.07 | 10 | 10 | 12 |
| 13 | 57.4 | 53.06 | 10 | 10 | 12 |
| 14 | 61.8 | 57.07 | 10 | 10 | 12 |
| 15 | 65.5 | 61.09 | 10 | 10 | 12 |
| 16 | 69.5 | 65.10 | 10 | 12 | 16 |
| 17 | 73.6 | 69.11 | 10 | 12 | 16 |
| 18 | 77.8 | 73.14 | 10 | 12 | 16 |
| 19 | 81.7 | 77.16 | 10 | 12 | 16 |
| 20 | 85.8 | 81.19 | 10 | 12 | 16 |
| 21 | 89.7 | 85.22 | 12 | 16 | 16 |
| 22 | 93.8 | 89.24 | 12 | 16 | 16 |
| 23 | 98.2 | 93.27 | 12 | 16 | 16 |
| 24 | 101.8 | 97.29 | 12 | 16 | 16 |
| 25 | 105.8 | 101.33 | 12 | 16 | 16 |
| 26 | 110.0 | 105.36 | 16 | 16 | 16 |
| 27 | 114.0 | 109.40 | 16 | 16 | 16 |
| 28 | 118.0 | 113.42 | 16 | 16 | 16 |
| 29 | 122.0 | 117.46 | 16 | 16 | 16 |
| 30 | 126.1 | 121.50 | 16 | 16 | 16 |
| 31 | 130.2 | 125.54 | 16 | 16 | 20 |
| 32 | 134.3 | 129.56 | 16 | 16 | 20 |
| 33 | 138.4 | 133.60 | 16 | 16 | 20 |
| 34 | 142.6 | 137.64 | 16 | 16 | 20 |
| 35 | 146.7 | 141.68 | 16 | 16 | 20 |
| 36 | 151.0 | 145.72 | 16 | 20 | 20 |
| 37 | 154.6 | 149.76 | 16 | 20 | 20 |
| 38 | 158.6 | 153.80 | 16 | 20 | 20 |
| 39 | 162.7 | 157.83 | 16 | 20 | 20 |
| 40 | 166.8 | 161.87 | 16 | 20 | 20 |
| 41 | 171.4 | 165.91 | 20 | 20 | 25 |
| 42 | 175.4 | 169.94 | 20 | 20 | 25 |
| 43 | 179.7 | 173.98 | 20 | 20 | 25 |
| 44 | 183.8 | 178.02 | 20 | 20 | 25 |
| 45 | 188.0 | 182.07 | 20 | 20 | 25 |
| 46 | 192.1 | 186.10 | 20 | 20 | 25 |
| 47 | 196.2 | 190.14 | 20 | 20 | 25 |
| 48 | 200.3 | 194.18 | 20 | 20 | 25 |
| 49 | 204.3 | 198.22 | 20 | 20 | 25 |
| 50 | 208.3 | 202.26 | 20 | 20 | 25 |
| 51 | 212.1 | 206.30 | 20 | 25 | 25 |
| 52 | 216.1 | 210.34 | 20 | 25 | 25 |
| 53 | 220.2 | 214.37 | 20 | 25 | 25 |
| 54 | 224.1 | 218.43 | 20 | 25 | 25 |
| 55 | 228.1 | 222.46 | 20 | 25 | 25 |
| 56 | 232.2 | 226.50 | 20 | 25 | 25 |
| 57 | 236.4 | 230.54 | 20 | 25 | 25 |
| 58 | 240.5 | 234.58 | 20 | 25 | 25 |
| 59 | 244.5 | 238.62 | 20 | 25 | 25 |
| 60 | 248.6 | 242.66 | 20 | 25 | 25 |
| 62 | 256.9 | 250.74 | 25 | 25 | 25 |
| 64 | 265.1 | 258.82 | 25 | 25 | 25 |
| 65 | 269.0 | 262.86 | 25 | 25 | 25 |
| 66 | 273.0 | 266.91 | 25 | 25 | 25 |
| 68 | 281.0 | 274.99 | 25 | 25 | 25 |
| 70 | 289.0 | 283.07 | 25 | 25 | 25 |
| 72 | 297.2 | 291.15 | 25 | 25 | 25 |
| 75 | 309.2 | 303.28 | 25 | 25 | 25 |
| 76 | 313.2 | 307.32 | 25 | 25 | 25 |
| 78 | 321.4 | 315.40 | 25 | 25 | 25 |
| 80 | 329.4 | 323.49 | 25 | 25 | 25 |
| 85 | 349.0 | 343.69 | 25 | 25 | 25 |
| 90 | 369.9 | 363.90 | 25 | 25 | 25 |
| 95 | 390.1 | 384.11 | 25 | 25 | 25 |
| 100 | 410.3 | 404.32 | 25 | 25 | 25 |
| 110 | 450.7 | 444.74 | 25 | 25 | 25 |
| 114 | 466.9 | 460.91 | 25 | 25 | 25 |
| 120 | 491.2 | 485.16 | 25 | 25 | 25 |
| 125 | 511.3 | 505.37 | 25 | 25 | 25 |
BASIC INFO.
|
Type: |
Simplex, Duplex, Triplex |
|
Sprocket Model: |
3/8″,1/2″,5/8″,3/4″,1″,1.25″,1.50″,1.75″,2.00″,2.25″,2.00″,2.25″,2.50″, 3″ |
|
Teeth Number: |
9-100 |
|
Standard: |
ANSI , JIS, DIN, ISO |
|
Material: |
1571, 1045, SS304 , SS316; As Per User Request. |
|
Performance Treatment: |
Carburizing, High Frequency Treatment, Hardening and Tempering, Nitriding |
|
Surface Treatment: |
Black of Oxidation, Zincing, Nickelage. |
| Characteristic | Fire Resistant, Oil Resistant, Heat Resistant, CZPT resistance, Oxidative resistance, Corrosion resistance, etc |
| Design criterion | ISO DIN ANSI & Customer Drawings |
| Başvuru | Industrial transmission equipment |
| Package | Wooden Case / Container and pallet, or made-to-order |
|
Certification: |
ISO9001 SGS |
|
Quality Inspection: |
Self-check and Final-check |
|
Sample: |
ODM&OEM, Trial Order Available and Welcome |
| Advantage | Quality first, Service first, Competitive price, Fast delivery |
| Delivery Time | 10 days for samples. 15 days for official order. |
INSTALLATION AND USING
The chain spocket, 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):
| Adım (inç) | 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.
| Standard Or Nonstandard: | Standart |
|---|---|
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car |
| Hardness: | Hardened Tooth Surface, Hardened Tooth Surface |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Factors Affecting the Efficiency of a wheel sprocket Setup
Several factors can influence the efficiency of a wheel sprocket system in power transmission and motion control applications. These factors should be carefully considered and optimized to ensure the system’s overall effectiveness and performance:
- 1. Friction: Friction between the wheel, sprocket, and the chain or belt can lead to energy losses. Using high-quality materials and lubrication can help reduce friction and improve efficiency.
- 2. Alignment: Proper alignment between the wheel and the sprocket is critical. Misalignment can cause increased wear, noise, and reduced efficiency. Regular maintenance and alignment checks are essential.
- 3. Tension: The correct tension in the chain or belt is crucial for efficient power transmission. Too loose or too tight tension can lead to performance issues and premature wear.
- 4. Material and Design: The choice of materials for the wheel sprocket, as well as their design, can impact efficiency. High-quality materials and well-engineered components reduce wear and improve overall system performance.
- 5. Load Distribution: Uneven load distribution across the wheel sprocket can lead to localized wear and decreased efficiency. Ensuring proper load distribution helps maintain uniform wear and power transmission.
- 6. Environmental Factors: Harsh environmental conditions, such as dust, moisture, and extreme temperatures, can affect the efficiency of the system. Choosing suitable materials and implementing protective measures can mitigate these effects.
- 7. Maintenance: Regular maintenance, including lubrication, inspection, and timely replacement of worn components, is vital for the long-term efficiency of the system.
- 8. Speed and Torque: The operating speed and torque requirements of the application should be considered when selecting the appropriate wheel sprocket size and specifications.
- 9. Chain or Belt Type: Different types of chains or belts, such as roller chains, silent chains, or toothed belts, have varying efficiencies. Choosing the right type for the specific application is crucial.
- 10. System Integration: The wheel sprocket system should be integrated correctly with other components in the machinery to ensure smooth operation and minimal energy losses.
By carefully considering and optimizing these factors, it is possible to improve the efficiency of the wheel sprocket system, leading to reduced energy consumption, less wear and tear, and overall better performance.

Temperature Limits for wheel sprocket System’s Operation
The temperature limits for a wheel sprocket system’s operation depend on the materials used in the construction of the components. Different materials have varying temperature tolerances, and exceeding these limits can lead to reduced performance, premature wear, and even system failure.
Here are some common materials used in wheel sprocket systems and their general temperature limits:
- Steel: Steel sprockets and wheels, which are widely used in many applications, typically have a temperature limit ranging from -40°C to 500°C (-40°F to 932°F). However, the specific temperature range may vary based on the grade of steel and any coatings or treatments applied.
- Stainless Steel: Stainless steel sprockets and wheels offer improved corrosion resistance and can withstand higher temperatures than regular steel. Their temperature limit is typically between -100°C to 600°C (-148°F to 1112°F).
- Plastics: Plastic sprockets and wheels are commonly used in low-load and low-speed applications. The temperature limit for plastic components varies widely depending on the type of plastic used. In general, it can range from -40°C to 150°C (-40°F to 302°F).
- Aluminum: Aluminum sprockets and wheels have a temperature limit of approximately -40°C to 250°C (-40°F to 482°F). They are often used in applications where weight reduction is critical.
It’s essential to consult the manufacturer’s specifications and material data sheets for the specific components used in the wheel sprocket system to determine their temperature limits accurately. Factors such as load, speed, and environmental conditions can also influence the actual temperature tolerance of the system.
When operating a wheel sprocket system near its temperature limits, regular monitoring and maintenance are necessary to ensure the components’ integrity and overall system performance. If the application involves extreme temperatures beyond the typical limits of the materials, specialized high-temperature materials or cooling measures may be required to maintain reliable operation.

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 2023-11-27