Chain Coupling No. Chain No. Bore Dia Dimension Inertia Approx Weight Casing
Min Max L I S d1 d2 C ×10-3 Dimension Approx Weight
mm mm mm mm mm mm mm mm kgf·m2 kg mm mm kg
3012 06B-2X12 12 16 64.8 29.8 5.2 25 45 10.2 0.233 0.4 69 63 0.3
4012 40-2X12 12 22 79.4 36.0 7.4 35 61 14.4 1.571 0.8 77 72 0.3
4014 40-2X14 12 28 79.4 36.0 7.4 43 69 14.4 1.924 1.1 84 75 0.4
4016 40-2X16 14 32 87.4 40.0 7.4 50 77 14.4 3.285 1.4 92 75 0.4
5014 50-2X14 16 35 99.7 45.0 9.7 53 86 18.1 6.571 2.2 101 85 0.5
5016 50-2X16 16 40 99.7 45.0 9.7 60 96 18.1 9.720 2.7 111 85 0.6
5018 50-2X18 16 45 99.7 45.0 9.7 70 106 18.1 15.420 3.8 122 85 0.8
6018 60-2X18 20 56 123.5 56.0 11.5 85 128 22.8 40.210 6.2 142 106 1.2
6571 60-2X20 20 60 123.5 56.0 11.5 98 140 22.8 62.870 7.8 158 105 1.6
6571 60-2X22 20 71 123.5 56.0 11.5 110 152 22.8 93.450 10.4 168 117 1.8
8018 80-2X18 20 80 141.2 63.0 15.2 110 170 29.3 142.030 12.7 190 129 2.5
8571 80-2X20 20 90 145.2 65.0 15.2 120 186 29.3 204.900 16.0 210 137 2.9
8571 80-2X22 20 100 157.2 71.0 15.2 140 202 29.3 341.170 20.2 226 137 3.6
1571 100-2X20 25 110 178.8 80.0 18.8 160 233 35.8 646.290 33.0 281 153 4.6
12018 120-2X18 35 125 202.7 90.0 22.7 170 256 45.4 1075.710 47.0 307 181 6.2
12571 120-2X22 35 140 222.7 100.0 22.7 210 304 45.4 2454.500 72.0 357 181 8.0

Chain Couplings

The chain coupling is composed of a duplex roller chain and a pair of coupling sprockets. The function of connection and detachment is done by the joint of the chain. It has the characteristic of being compact and powerful, excellent durability, safe and smart, simple installation and easy alignment. The chain coupling is suitable for a wide range of coupling applications.

Parameters of Chain Couplings



What Are Chain Couplings?

Chain couplings are mechanical devices for connecting 2 shafts. They consist of 2 rows of roller chains with sprockets that engage them. The shafts are then cranked to move the coupling. Chain couplings are available in a range of sizes and torque capacities.

Chain couplings are all steel and compact for space-constrained applications. They transmit high torques and offer positive power transmission. Unlike conventional couplings, chain couplings require less space and are easily installed and dismantled. They also provide a balanced unit operation, which is essential for high torques. Chain couplings are typically used in low-speed, high torque applications. They also offer a high degree of flexibility and allow for misalignment of up to 2 degrees between the shafts.

Advantages of a Chain Coupling

A chain coupling is a type of transmission system that uses a single common chain, meshing with 2 parallel sprockets to transfer power from 1 shaft to the other. A chain coupling comes in various varieties, including roller chain coupling, toothed chain coupling, and nylon chain coupling. The benefits of a chain coupling include its simplicity, reliability, and low installation accuracy. A chain coupling is a common option for shafting transmission applications, especially in low-speed, high-torque applications.

One of the most important advantages of chain couplings is their high-torque capability. Because they are made of 2 flanges linked by a duplex roller chain, they are ideal for high-torque applications. They can accommodate up to 2 degrees of misalignment, which makes them a common choice for applications that require high torque. Another advantage of chain couplings is their ease of installation and low-maintenance requirements.

Besides being easy to assemble, a chain coupling also keeps the 2 shafts perfectly aligned. It also minimizes shock and vibrations during power transmission. It should also have a low-profile design and be easy to fit between 2 shafts. And, of course, it should be CZPT to transmit power from 1 shaft to the other. These features are essential for high-speed applications.

How to Install a Roller Chain Coupling?

Ever-power chain couplings feature a unique single-pin design that greatly simplifies the installation process. Simply follow these simple steps.

  • Install the oil seal on each hub
  • Adjust the alignment of the shaft and coupling assembly
  • Adjust the distance between the sprocket faces
  • Thoroughly lubricate the coupling chain
  • Install the chain to the coupling using the single pin coupling ring
  • Firmly close and secure the coupling cover (optional, depending on operating conditions)

The chain coupling installation process is simpler and faster than conventional rigid couplings.

Additional information

How to tell if your driveshaft needs replacing

What is the cause of the unbalanced drive shaft? Unstable U-joint? Your car may make clicking noises while driving. If you can hear it from both sides, it might be time to hand it over to the mechanic. If you’re not sure, read on to learn more. Fortunately, there are many ways to tell if your driveshaft needs replacing.


An unbalanced driveshaft can be the source of strange noises and vibrations in your vehicle. To fix this problem, you should contact a professional. You can try a number of things to fix it, including welding and adjusting the weight. The following are the most common methods. In addition to the methods above, you can use standardized weights to balance the driveshaft. These standardized weights are attached to the shaft by welders.
An unbalanced drive shaft typically produces lateral vibrations per revolution. This type of vibration is usually caused by a damaged shaft, missing counterweights, or a foreign object stuck on the drive shaft. On the other hand, torsional vibrations occur twice per revolution, and they are caused by shaft phase shifts. Finally, critical speed vibration occurs when the RPM of the drive shaft exceeds its rated capacity. If you suspect a driveshaft problem, check the following:
Manually adjusting the imbalance of a drive shaft is not the easiest task. To avoid the difficulty of manual balancing, you can choose to use standardized weights. These weights are fixed on the outer circumference of the drive shaft. The operator can manually position the weight on the shaft with special tools, or use a robot. However, manual balancers have many disadvantages.


When the angular velocity of the output shaft is not constant, it is unstable. The angular velocity of the output shaft is 0.004 at ph = 29.5 and 1.9 at t = 1.9. The angular velocity of the intermediate shaft is not a problem. But when it’s unstable, the torque applied to it is too much for the machine. It might be a good idea to check the 10sion on the shaft.
An unstable drive shaft can cause a lot of noise and mechanical vibration. It can lead to premature shaft fatigue failure. CZPT studies the effect of shaft vibration on the rotor bearing system. They investigated the effect of flex coupling misalignment on the vibration of the rotor bearing system. They assume that the vibrational response has 2 components: x and y. However, this approach has limited application in many situations.
Experimental results show that the presence of cracks in the output shaft may mask the unbalanced excitation characteristics. For example, the presence of superharmonic peaks on the spectrum is characteristic of cracks. The presence of cracks in the output shaft masks unbalanced excitation characteristics that cannot be detected in the transient response of the input shaft. Figure 8 shows that the frequency of the rotor increases at critical speed and decreases as the shaft passes the natural frequency.


If you’re having trouble driving your car, chances are you’ve run into an unreliable driveshaft. This type of drivetrain can cause the wheels to stick or not turn at all, and also limit the overall control of the car. Whatever the reason, these issues should be resolved as soon as possible. Here are some symptoms to look for when diagnosing a driveshaft fault. Let’s take a closer look.
The first symptom you may notice is an unreliable drive shaft. You may feel vibrations, or hear noises under the vehicle. Depending on the cause, it could be a broken joint or a broken shaft. The good news is that driveshaft repairs are generally relatively inexpensive and take less time than a complete drivetrain replacement. If you’re not sure what to do, CZPT has a guide to replacing the U-connector.
One of the most common signs of an unreliable driveshaft is clanging and vibration. These sounds can be caused by worn bushings, loose U-joints, or damaged center bearings. This can cause severe vibration and noise. You can also feel these vibrations through the steering wheel or the floor. An unreliable driveshaft is a symptom of a bigger problem.

Unreliable U-joints

A car with an unreliable U-joint on the drive shaft can be dangerous. A bad u-joint can prevent the vehicle from driving properly and may even cause you trouble. Unreliable u-joints are cheap to replace and you should try getting parts from quality manufacturers. Unreliable U-joints can cause the car to vibrate in the chassis or gear lever. This is a sure sign that your car has been neglected in maintenance.
Replacing a U-joint is not a complicated task, but it requires special tools and a lot of elbow grease. If you don’t have the right tools, or you’re unfamiliar with mechanical terminology, it’s best to seek the help of a mechanic. A professional mechanic will be able to accurately assess the problem and propose an appropriate solution. But if you don’t feel confident enough, you can replace your own U-connector by following a few simple steps.
To ensure the vehicle’s driveshaft is not damaged, check the U-joint for wear and lubrication. If the U-joint is worn, the metal parts are likely to rub against each other, causing wear. The sooner a problem is diagnosed, the faster it can be resolved. Also, the longer you wait, the more you lose on repairs.

damaged drive shaft

The driveshaft is the part of the vehicle that connects the wheels. If the driveshaft is damaged, the wheels may stop turning and the vehicle may slow down or stop moving completely. It bears the weight of the car itself as well as the load on the road. So even a slight bend or break in the drive shaft can have dire consequences. Even a piece of loose metal can become a lethal missile if dropped from a vehicle.
If you hear a screeching noise or growl from your vehicle when shifting gears, your driveshaft may be damaged. When this happens, damage to the u-joint and excessive slack in the drive shaft can result. These conditions can further damage the drivetrain, including the front half. You should replace the driveshaft as soon as you notice any symptoms. After replacing the driveshaft, you can start looking for signs of wear.
A knocking sound is a sign of damage to the drive shaft. If you hear this sound while driving, it may be due to worn couplings, damaged propshaft bearings, or damaged U-joints. In some cases, the knocking noise can even be caused by a damaged U-joint. When this happens, you may need to replace the entire driveshaft, requiring a new 1.

Maintenance fees

The cost of repairing a driveshaft varies widely, depending on the type and cause of the problem. A new driveshaft costs between $300 and $1,300, including labor. Repairing a damaged driveshaft can cost anywhere from $200 to $300, depending on the time required and the type of parts required. Symptoms of a damaged driveshaft include unresponsiveness, vibration, chassis noise and a stationary car.
The first thing to consider when estimating the cost of repairing a driveshaft is the type of vehicle you have. Some vehicles have more than 1, and the parts used to make them may not be compatible with other cars. Even if the same car has 2 driveshafts, the damaged 1s will cost more. Fortunately, many auto repair shops offer free quotes to repair damaged driveshafts, but be aware that such work can be complicated and expensive.