China Custom Type Spline Shaft Couplings Roller Chain Coupling Rigid Shaft Coupling spline coupling

Product Description

Product Description


Hot Selling GL Type Spline Rigid Shaft Couplings Roller Chain Coupling For Industry Machine

Manufactured according to relevant industrial standards 
Available in many sizes, ratings, and product types, including flexible shaft couplings and OK couplings 
Fabricated from a variety of high-grade steel 

Several surface treatment processes protect against corrosion  
Customized products are available 
Large couplings withstand very high torque 
Flexible shaft couplings compensate for shaft misalignment

The chain coupling consists of two-strand roller chains, 2 sprockets and AL-Alloy cover, features simple and compact structure, and high flexibility, power transmission capability and durability.

What’s more ,the chain coupling allows simple connection/disconnection, and the use of the housing enhances safety and durability.    

The number of roller depends CHINAMFG the specific application

Chain No. Pitch



Roller diameter


Width between inner plates


Pin diameter


Pin length Inner plate depth


Plate thickness



Tensile strength



Average tensile strength


Weight per meter






08AF36 12.700 7.95 21.70 3.96 30.8 32.1 12.00 1.50 13.8/3135.36 16.20 1.070
10AF13 15.875 10.16 16.31 5.08 27.6 29.1 15.09 2.03 22.2/5045 27.50 1.350
10AF71 15.875 10.16 19.00 5.08 30.5 32.2 15.09 2.03 21.8/4901 24.40 1.480
*10AF75 15.875 10.16 45.60 5.08 57.0 58.5 15.09 2.03 21.8/4901 24.40 2.540
12AF2 19.050 11.91 19.10 5.94 32.6 34.4 18.00 2.42 31.8/7227 38.20 1.900
12AF6 19.050 11.91 18.80 5.94 31.9 33.5 18.00 2.42 31.8/7227 38.20 1.870
12AF26 19.050 11.91 19.36 5.94 31.9 33.5 18.00 2.42 31.8/7227 38.20 1.940
12AF34 19.050 11.91 19.00 5.94 31.9 31.9 18.00 2.42 31.1/7066 38.20 1.860
12AF54 19.050 11.91 19.50 5.84 31.9 31.9 18.00 2.29 31.1/7066 38.20 1.607
*12AF97 19.050 11.91 35.35 5.94 48.8 50.5 18.00 2.42 31.8/7149 38.20 2.630
*12AF101 19.050 11.91 37.64 5.94 51.2 52.9 18.00 2.42 31.8/7149 38.20 1.990
*12AF124 19.050 11.91 20.57 5.94 33.9 35.7 18.00 2.42 31.8/7149 38.20 1.910
16AF25 25.400 15.88 25.58 7.92 42.4 43.9 24.00 3.25 56.7/12886 63.50 3.260
*16AF40 25.400 15.88 70.00 7.92 87.6 91.1 24.00 3.25 56.7/12886 63.50 5.780
*16AF46 25.400 15.88 36.00 7.92 53.3 56.8 24.00 3.25 56.7/12886 63.50 3.880
*16AF75 25.400 15.88 56.00 7.92 73.5 76.9 24.00 3.25 56.7/12746 63.50 5.110
*16AF111 25.400 15.88 45.00 7.92 62.7 65.8 24.00 3.25 56.7/12746 63.50 4.480
*16AF121 25.400 15.88 73.50 7.92 91.3 94.7 24.00 3.25 56.7/12746 63.50 6.000

*The number of roller depends CHINAMFG the specific application

Chain No. Pitch


Roller diameter


Width between inner plates


Pin diameter


Pin length Inner plate depth


Plate thickness



Tensile strength



Average tensile strength



Weight per meter






*20AF44 31.750 19.05 32.00 9.53 53.5 57.8 30.00 4.00 86.7/19490 99.70 4.820
*24AF27 38.100 22.23 75.92 11.10 101.0 105.0 35.70 4.80 124.6/28571 143.20 9.810
*06BF27 9.525 6.35 18.80 3.28 26.5 28.2 8.20 1.30 9.0/2045 9.63 0.770
*06BF31 9.525 6.35 16.40 3.28 23.4 24.4 8.20 1.30 9.0/2045 9.63 0.660
*06BF71 9.525 6.35 16.50 3.28 24.5 25.6 8.20 1.30 9.0/2571 9.63 0.830
08BF97 12.700 8.51 15.50 4.45 24.8 26.2 11.80 1.60 18.0/4989.6 19.20 0.980
*08BF129 12.700 8.51 35.80 4.45 45.1 46.1 11.80 1.60 18.0/4989.6 19.02 1.500
10BF21 15.875 10.16 42.83 5.08 52.7 54.1 14.70 1.70 22.0/5000 25.30 2.260
10BF43 15.875 7.03 27.80 5.08 39.0 40.6 14.70 2.03 22.4/5090 25.76 1.140
*10BF43-S 15.875 10.00 27.80 5.08 39.0 40.6 14.70 2.03 22.4/5090 25.76 1.800
*16BF75 25.400 15.88 27.50 8.28 47.4 50.5 21.00 4.15/3.1 60.0/13488 66.00 3.420
*16BF87 25.400 15.88 35.00 8.28 54.1 55.6 21.00 4.15/3.1 60.0/13488 66.00 3.840
*16BF114 25.400 15.88 49.90 8.28 69.0 72.0 21.00 4.15/3.1 60.0/13488 66.00 4.740
*20BF45 31.750 19.05 55.01 10.19 76.8 80.5 26.40 4.5/3.5 95.0/21356 104.50 6.350
*24BF33 38.100 25.40 73.16 14.63 101.7 106.2 33.20 6.0/4.8 160.0/35968 176.00 11.840


1. Material:  C45 steel, Aluminum, Rubber and plastic etc.

2. High efficiency in transmission

3. Finishing: blacken, phosphate-coat, and oxidation.

4. Different models suitable for your different demands

5. Application in wide range of environment.

6. Quick and easy mounting and disassembly.

7. Resistant to oil and electrical insulation.

8. Identical clockwise and anticlockwise rotational characteristics.

9. Small dimension, low weight, high transmitted torque.

10. It has good performance.

Partnerships Reliable Supply-Chain:

Based on our experienced team and strict, effective supply chain management, Granville products deliver premium quality, and performance our customers have relied on for years. From a full range of bearings, mounted bearing units, power transmission products, and related markets around the world, we provide the industry’s most comprehensive range of qualified products available today.

Advantage Manufacturing Processesand Quality Control:

01 Heat Treatment

02 Centerless Grinding Machine 11200 (most advanced)

03 Automatic Production Lines for Raceway

04 Automatic Production Lines for Raceway

05 Ultrasonic Cleaning of Rings

06 Automatic Assembly

07 Ultrasonic Cleaning of Bearings

08 Automatic Greasing, Seals Pressing

09 Measurement of Bearing Vibration (Acceleration)

10 Measurement of Bearing Vibration (Speed)

11 Laser Marking

12 Automatic Packing

1 Prevent from damage.
2. As customers’ requirements, in perfect condition.
3. Delivery : As per contract delivery on time
4. Shipping : As per client request. We can accept CIF, Door to Door etc. or client authorized agent we supply all the necessary assistant.


Q 1: Are you a trading company or a manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.

Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks in PDF or AI format.

Q 3:How long is your delivery time?
Generally, it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.

Q 5: Do you have inspection procedures for coupling?
A:100% self-inspection before packing.

Q 6: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.

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spline coupling

What are the best practices for installing a mechanical coupling correctly?

Proper installation of a mechanical coupling is essential to ensure its optimal performance and prevent premature failure. Follow these best practices when installing a mechanical coupling:

1. Clean the Shaft Ends:

Before installation, ensure that the shaft ends are clean and free from dirt, debris, and any old coupling remnants. Clean the shafts using a suitable solvent if necessary.

2. Verify Shaft and Bore Dimensions:

Check the dimensions of the shaft and bore to ensure they match the coupling’s specifications. Ensure that the shaft and bore diameters, keyway sizes, and lengths are correct for the specific coupling.

3. Lubricate Contact Surfaces:

Apply a thin layer of appropriate lubricant to the contact surfaces of the shaft and coupling bore. This helps in easy installation and minimizes the risk of galling or damage during assembly.

4. Align Shaft and Coupling:

Align the shafts and coupling properly before installing. Avoid forcing the coupling onto the shaft; it should slide smoothly into position.

5. Use Proper Installation Tools:

Use the recommended installation tools or methods provided by the coupling manufacturer. Using improper tools may lead to damage or misalignment of the coupling.

6. Tighten Fasteners Gradually and Evenly:

If the coupling uses set screws, bolts, or any fasteners, tighten them gradually and evenly in a criss-cross pattern. This ensures uniform distribution of pressure and prevents distortion.

7. Check for Proper Keyway Fit:

If the coupling utilizes keyways, ensure that the keys fit snugly into both the shaft and the coupling keyway to prevent movement or slippage.

8. Verify Proper Torque:

If the coupling requires a specific torque value for installation, use a torque wrench to achieve the correct tightening. Avoid over-torquing as it may damage the coupling or cause premature wear.

9. Inspect for Runout and Alignment:

After installation, inspect the coupling for runout and alignment. Verify that the shafts are concentric and parallel, as misalignment can lead to premature coupling failure.

10. Conduct Regular Inspections:

Perform regular inspections and maintenance of the coupling during its operational life. Check for signs of wear, misalignment, or damage and address any issues promptly.

Adhering to these best practices ensures that the mechanical coupling is installed correctly and operates as intended. Proper installation increases the coupling’s longevity, minimizes the risk of downtime, and contributes to the overall efficiency and reliability of the mechanical system.

“`spline coupling

Exploring the use of mechanical couplings in high-power and heavy-duty machinery.

Mechanical couplings play a critical role in high-power and heavy-duty machinery, where reliable power transmission and robust performance are essential. These couplings are designed to withstand substantial torque, accommodate misalignment, and provide durability under demanding operating conditions. Here are some key aspects of using mechanical couplings in such machinery:

1. Power Transmission:

In high-power machinery, such as large industrial pumps, compressors, and turbines, mechanical couplings efficiently transfer significant amounts of torque from the driving source (e.g., motor or engine) to the driven equipment. The coupling’s design and material selection are crucial to ensure efficient power transmission and prevent energy losses.

2. Torque Capacity:

Heavy-duty machinery often generates high torque levels during operation. Mechanical couplings used in these applications are designed to handle these high torque requirements without compromising their structural integrity.

3. Misalignment Compensation:

Heavy-duty machinery may experience misalignment due to thermal expansion, foundation settling, or other factors. Mechanical couplings with flexible elements, like elastomeric or grid couplings, can effectively compensate for misalignment, reducing stress on connected equipment and prolonging the machinery’s life.

4. Shock Load Absorption:

High-power machinery may encounter sudden shock loads during starts, stops, or operational changes. Mechanical couplings with damping or shock-absorbing capabilities, such as elastomeric or disc couplings, help protect the equipment from damage and improve overall system reliability.

5. Heavy-Duty Applications:

Heavy-duty machinery, such as mining equipment, construction machinery, and steel rolling mills, require couplings capable of withstanding harsh conditions and heavy loads. Couplings made from robust materials like steel, cast iron, or alloy steel are commonly used in these applications.

6. High-Temperature Environments:

In certain heavy-duty machinery, like industrial furnaces and kilns, mechanical couplings are exposed to high temperatures. Couplings made from high-temperature alloys or materials with excellent heat resistance are selected for such applications.

7. Precision Machinery:

In precision machinery, such as CNC machines and robotics, couplings with low backlash and high torsional stiffness are preferred to ensure accurate and repeatable motion control.

8. Overload Protection:

Some high-power machinery may experience occasional overloads. Couplings with torque-limiting capabilities, like shear pin or magnetic couplings, can act as overload protection, preventing damage to the machinery during such instances.

Mechanical couplings in high-power and heavy-duty machinery are engineered to meet the specific requirements of each application, delivering reliable performance, safety, and efficiency. The proper selection and installation of couplings play a vital role in ensuring the optimal operation of these critical machines.

“`spline coupling

Can a faulty mechanical coupling lead to equipment failure and downtime?

Yes, a faulty mechanical coupling can indeed lead to equipment failure and downtime in a mechanical system. The importance of well-maintained and properly functioning couplings cannot be overstated, and their failure can have significant consequences:

1. Loss of Torque Transmission:

A faulty coupling may not be able to effectively transmit torque from the motor to the driven load. This loss of torque transmission can result in reduced or erratic performance of the equipment.

2. Increased Wear and Damage:

When a coupling is not functioning correctly, it may introduce excessive play or misalignment between the connected components. This can lead to increased wear on bearings, shafts, gears, and other parts, accelerating their deterioration.

3. Vibrations and Resonance:

Faulty couplings can cause vibrations and resonance in the system, leading to stress and fatigue in the equipment. These vibrations can further propagate throughout the machinery, affecting nearby components and leading to potential failures.

4. Overloading and Overheating:

In some cases, a faulty coupling may not slip or disengage as intended when subjected to overload conditions. This can cause excessive stress on the equipment, leading to overheating and potential damage to the motor, gearbox, or other components.

5. System Downtime:

When a mechanical coupling fails, it often necessitates equipment shutdown for repairs or replacement. This unplanned downtime can lead to production halts, reduced efficiency, and financial losses for businesses.

6. Safety Risks:

A faulty coupling that fails to disconnect or slip during overloads can pose safety risks to personnel and equipment. It may lead to unexpected and potentially dangerous equipment behavior.

7. Costly Repairs and Replacements:

Fixing or replacing damaged components due to coupling failure can be costly. Additionally, if a faulty coupling causes damage to other parts of the system, the repair expenses can escalate.

Regular maintenance and inspections of mechanical couplings are crucial to detect early signs of wear or damage. Identifying and addressing issues promptly can help prevent equipment failure, reduce downtime, and ensure the smooth and efficient operation of mechanical systems.

China Custom Type Spline Shaft Couplings Roller Chain Coupling Rigid Shaft Coupling   spline couplingChina Custom Type Spline Shaft Couplings Roller Chain Coupling Rigid Shaft Coupling   spline coupling
editor by CX 2024-05-15

Spline Coupling

As one of spline coupling manufacturers, suppliers and exporters of mechanical products, We offer spline coupling and many other products.

Please contact us for details.

Mail:[email protected]

Manufacturer supplier exporter of spline coupling.


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