China Best Sales DIN/ANSI/JIS Standard Sprockets Industrial Gear Teeth Rack Bevel Bicycle Stainless Transmission Drive Part Carbon Steel Plate Idler Wheel Harden Teeth Sprockets

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
Application 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):

Pitch (inches) Pitch expressed
in eighths
ANSI standard
chain number
Width (inches)
14 28 25 18
38 38 35 316
12 48 41 14
12 48 40 516
58 58 50 38
34 68 60 12
1 88 80 58

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
Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Samples:
US$ 0/Piece
1 Piece(Min.Order)

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Customization:
Available

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Customized Request

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

bike sprocket

Can bike sprockets affect the overall speed and efficiency of a bicycle?

Yes, bike sprockets play a significant role in determining the overall speed and efficiency of a bicycle. The sprockets are part of the drivetrain, which includes the chain, front chainrings, and rear sprockets (also known as cogs). The size and number of teeth on the sprockets can impact the bike’s speed, pedaling cadence, and overall performance. Here’s how bike sprockets affect the bike’s speed and efficiency:

  • Speed and Gear Ratios: The number of teeth on the front chainrings and rear sprockets determines the gear ratios available on the bike. Larger chainrings or sprockets generally provide higher gear ratios, suitable for higher speeds and flat terrain. Smaller chainrings or sprockets offer lower gear ratios, ideal for climbing hills and maintaining control at lower speeds.
  • Efficient Pedaling: Choosing the right combination of chainring and sprocket (gear) ensures efficient pedaling. When the gear ratio matches the terrain and rider’s abilities, they can maintain an optimal pedaling cadence. Pedaling too fast or too slowly can lead to inefficiency and fatigue.
  • Cadence: Cadence refers to the speed at which a cyclist pedals. Finding the right cadence is crucial for energy efficiency and endurance. With the appropriate gear ratio, cyclists can maintain their preferred cadence, whether they want to spin at a high cadence for endurance or push harder at a lower cadence for more power.
  • Effect on Terrain: Different terrains require different gear ratios. Steep climbs demand lower gears to provide enough power without putting excessive strain on the rider’s legs. On flat or downhill stretches, higher gears enable the rider to attain higher speeds with less pedaling effort.
  • Aerodynamics: Speed and efficiency can also be affected by the rider’s position and aerodynamics. Higher gears that allow for faster speeds can expose the rider to more wind resistance, making it harder to maintain speed compared to using lower gears.
  • Mechanical Efficiency: The condition of the chain and sprockets also influences mechanical efficiency. A well-maintained drivetrain with clean and properly lubricated sprockets and chain reduces friction and improves power transfer, enhancing overall efficiency.

Choosing the appropriate sprocket sizes and gear ratios for your riding style and the terrain you frequent can significantly impact the bike’s speed and efficiency. Regular maintenance, including keeping the sprockets clean and in good condition, is crucial for maintaining optimal performance.

bike sprocket

How do I upgrade bike sprockets to enhance my cycling experience?

Upgrading bike sprockets can significantly enhance your cycling experience, offering improved performance and a smoother ride. Here’s a step-by-step guide on how to upgrade your bike sprockets:

  1. Identify Compatibility: Before proceeding with an upgrade, ensure that the new sprockets are compatible with your bike’s drivetrain system. Check the number of speeds on your cassette or freewheel and select sprockets with a matching speed rating.
  2. Choose the Right Material: Upgraded sprockets are often available in different materials like aluminum, titanium, or steel. Consider the benefits of each material, such as weight savings or durability, and choose the one that best suits your needs and riding style.
  3. Select the Tooth Count: The number of teeth on the sprockets determines the gear ratios and the range of speeds available. Choose a tooth count that complements your riding preferences. For example, a larger rear sprocket will provide easier gears for climbing, while a smaller sprocket offers higher gears for speed on flat terrain.
  4. Replace the Cassette or Freewheel: If upgrading individual sprockets is not feasible due to compatibility issues or wear, consider replacing the entire cassette or freewheel. This will ensure that all sprockets are new and function optimally together.
  5. Gather Tools: Depending on the type of sprocket and your bike’s drivetrain, you may need specific tools for removal and installation. Common tools include a chain whip, cassette lockring tool, and a wrench or socket for the lockring.
  6. Remove the Old Sprockets: Use the chain whip to hold the cassette or freewheel in place while using the lockring tool to loosen and remove the lockring. Carefully slide off the old sprockets, keeping them in order to help install the new ones correctly.
  7. Install the New Sprockets: Align the new sprockets correctly on the cassette or freewheel body, making sure they fit into the grooves. Hand-tighten the lockring before using the lockring tool to securely fasten it in place.
  8. Check Chain Length: Depending on the changes in tooth count or cassette size, you may need to adjust the chain length. A new, longer chain may be required if you’ve increased the size of the largest sprocket.
  9. Test Ride and Fine-Tune: Take your bike for a test ride to ensure smooth shifting and proper functionality. If necessary, fine-tune the derailleur’s indexing or limit screws to achieve precise shifting.
  10. Maintain Regularly: To keep your upgraded sprockets in top condition, perform regular maintenance. Clean and lubricate the drivetrain regularly, and inspect the sprockets for wear and damage.

Upgrading your bike sprockets can lead to a more enjoyable and efficient cycling experience. However, if you are unsure about the process or lack the necessary tools, consider seeking assistance from a professional bike mechanic.

bike sprocket

What is a bike sprocket, and what is its role in a bicycle’s drivetrain?

A bike sprocket, also known as a bicycle sprocket or chainring, is an essential component of a bicycle’s drivetrain system. It plays a crucial role in transferring power from the cyclist’s pedaling to the wheels, propelling the bike forward. The sprocket is mounted on the crankset, which is attached to the bicycle’s pedals.

Construction and Function:

A bike sprocket is typically a flat, circular disc with teeth around its outer edge. These teeth mesh with the links of the bicycle chain. The number of teeth on the sprocket determines its gear ratio, affecting how much rotational force is transferred to the bike’s rear wheel.

Role in the Drivetrain:

When a cyclist pedals, the chain moves along the sprocket’s teeth, creating a rotational force. This force is transmitted to the rear sprockets (cassette) through the bicycle chain. As a result, the rear wheel’s rotation is controlled, and the bike moves forward. The different-sized sprockets on the front crankset and the rear cassette provide multiple gear options, allowing the rider to adjust the bike’s mechanical advantage according to the terrain and riding conditions.

Smaller sprockets with fewer teeth are used for easier pedaling and climbing hills, providing more mechanical advantage. On the other hand, larger sprockets with more teeth are used for higher speeds and flats, enabling the bike to cover more ground with each pedal stroke.

Gearing and Gear Ratios:

Bicycles may have single-speed drivetrains with only one front sprocket or multiple speeds with multiple front and rear sprockets. The combination of the front sprocket and the selected rear sprocket determines the gear ratio, affecting the bike’s speed and torque. Cyclists can switch between gears using the bicycle’s shifters to find the most efficient gear for their pedaling cadence and the terrain they are riding on.

The bike sprocket is a fundamental part of the bicycle’s drivetrain, providing the mechanical advantage necessary for efficient and comfortable riding. Proper maintenance, such as regular chain lubrication and periodic sprocket inspection, is essential to ensure smooth gear changes and extend the sprocket’s lifespan.

China Best Sales DIN/ANSI/JIS Standard Sprockets Industrial Gear Teeth Rack Bevel Bicycle Stainless Transmission Drive Part Carbon Steel Plate Idler Wheel Harden Teeth Sprockets  China Best Sales DIN/ANSI/JIS Standard Sprockets Industrial Gear Teeth Rack Bevel Bicycle Stainless Transmission Drive Part Carbon Steel Plate Idler Wheel Harden Teeth Sprockets
editor by Dream 2024-04-27