China supplier 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.

 

Shipping Cost:

Estimated freight per unit.



To be negotiated
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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Order Sample

Customization:
Available

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Customized Request

bike sprocket

Can I replace a worn-out bike sprocket, or do I need to change the entire drivetrain?

Replacing a worn-out bike sprocket is a common maintenance task and can be done independently without necessarily changing the entire drivetrain. The drivetrain of a bicycle typically consists of the chain, front chainrings, rear cassette sprockets, and derailleurs. Each component plays a crucial role in the smooth functioning of the drivetrain. Here’s what you need to consider when dealing with a worn-out bike sprocket:

  • Assessing Wear: Over time, sprockets can wear out due to regular use and exposure to dirt, grime, and debris. To determine if a sprocket is worn, you can visually inspect the teeth for signs of wear, such as sharp hook-like profiles, elongated teeth, or missing teeth. Additionally, a worn sprocket may cause the chain to slip or skip while pedaling.
  • Replacing Individual Components: If only the sprocket is worn, you can replace it independently. Most modern bicycles have a cassette system, where the rear sprockets are part of a single unit (cassette) that can be removed and replaced. On the other hand, some older or single-speed bikes may have a freewheel system, where the sprockets are threaded onto the hub. In either case, you can replace the worn sprockets with new ones of the appropriate size and speed compatibility.
  • Chain Compatibility: When replacing sprockets, it’s essential to consider the compatibility of the chain. A worn sprocket can accelerate chain wear, and using a new chain with worn sprockets can cause premature chain elongation and skipping. If the chain is relatively new and in good condition, replacing only the sprockets is often sufficient.
  • Upgrading the Drivetrain: In some cases, if multiple components of the drivetrain are significantly worn or damaged, it may be more cost-effective to replace the entire drivetrain as a set. This ensures that all components work optimally together and can improve overall shifting performance and longevity.
  • Seek Professional Help: If you’re unsure about how to replace the sprocket or assess the condition of the drivetrain, it’s best to seek help from a professional bike mechanic. They can inspect your bike, recommend appropriate replacements, and ensure that the new components are installed correctly.

Regular maintenance and timely replacement of worn components can extend the life of your bike’s drivetrain and enhance your riding experience. By replacing individual sprockets or the entire drivetrain when needed, you can keep your bicycle running smoothly and efficiently.

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

Can you explain the function of front and rear bike sprockets?

In a bicycle’s drivetrain, both front and rear sprockets play crucial roles in determining the bike’s gear ratios and overall performance. Let’s look at the functions of each:

1. Front Sprockets (Chainrings):

Front sprockets, also known as chainrings, are located at the crankset, which is attached to the bicycle’s pedals. They come in various sizes, commonly referred to by the number of teeth they have. The main function of the front sprockets is to transfer the rider’s pedaling power to the rear wheel through the chain. Here’s how they work:

  • Gear Ratio Selection: Bicycles often have multiple chainrings with different tooth counts. By shifting the chain between these chainrings using the front derailleur, the rider can choose different gear ratios. Smaller chainrings are typically used for easier climbing and lower speeds, while larger chainrings provide higher speeds on flat terrain or descents.
  • Change in Gear Ratios: When the chain moves between different-sized chainrings, the effective gear ratio changes. Moving to a larger chainring provides a higher gear, requiring more effort but enabling faster speeds. Conversely, shifting to a smaller chainring gives a lower gear, requiring less effort but offering easier pedaling, especially on inclines.

2. Rear Sprockets (Cassette):

The rear sprockets are part of the cassette, which is mounted on the rear wheel’s hub. Like the front sprockets, the rear sprockets also come in different sizes, with each sprocket having a specific number of teeth. The functions of the rear sprockets are as follows:

  • Gear Ratio Fine-Tuning: The cassette offers more gear ratio options, providing finer adjustments to the bike’s gearing. By shifting the chain between different sprockets using the rear derailleur, the rider can fine-tune their gear ratio to match the terrain and riding conditions more precisely.
  • Combination with Front Sprockets: The interaction between the front and rear sprockets allows for a wide range of gear ratios. By selecting an appropriate combination of front and rear sprockets, cyclists can optimize their pedaling efficiency, maintain a consistent cadence, and achieve comfortable speeds for different situations.

Together, the front and rear sprockets form the bicycle’s gear system, enabling riders to tackle various terrains and adapt their pedaling effort to different riding conditions. By understanding how to use the sprockets effectively, cyclists can make the most out of their bike’s capabilities and enjoy a smoother, more efficient, and enjoyable riding experience.

China supplier DIN/ANSI/JIS Standard Sprockets Industrial Gear Teeth Rack Bevel Bicycle Stainless Transmission Drive Part Carbon Steel Plate Idler Wheel Harden Teeth Sprockets  China supplier 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 CX 2023-09-05