China OEM Kaeser Screw Air Compressor Parts 5.3129.3 Flexible Elastomeric Coupling Element

Product Description


Kaeser 5.3129.3 Flexible Elastomeric Coupling Parts

Capscrews: Standard Imperial
Coupling Size(s): E30
Coupling Style: Close Coupled
Element Material: Urethane (Orange)
Element Style: High Misalignment
Shoe Coating: Standard Coating
Allowable Distance Between Shaft Ends: 0.25 in- 2.50 in (6mm – 64mm)
Continuous Torque Rating: 3,650Ib-in/412Nm
Coupling Type: Elastomeric
Major Diameter of Coupling: 8.25 in/ 210mm
Maximum Speed Rating: 5,800 RPM


CHINAMFG E Series Flexible Elements size(s) E30 close coupled style with standard imperial and standard shoe coating in Urethane (Orange) material for elastomeric couplings.


Other Couplings:




Company Profile&Certifications:

      Now over 100,000 quality filters including compressed air filters, Hydraulic Filters and complete filter housing assemblies at wholesale discounts. We offer OEM products as well as high quality replacements, engineered to precise OEM specifications and guaranteed to match the exact form, fit and function as the original equipment. Our company is committed to continuous innovation and further improvement to create, improve the efficiency and productivity of excellence, to achieve the highest level of reliability and performance.



Q1. What is your product range?
A: Our products cover replacement hydraulic filter, Air compressor filters, Compressed air filter element, Heavy truck insert filters, Vacuum pump filters, and Some spare parts for compressors.

Q2. Is customized filter or OEM available? 
A: Yes, just offer your required specifications and drawings.

Q3. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build new molds, but open new mold fee charged, when you place bulk order, the mold fee can return back.

Q4. What’s your terms of packing?
A: Generally, we pack our goods in neutral boxes,outside brown carton cases. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Q5. What’s the terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balancing.

Q6. What’s your terms of delivery?
A: (1)FOB (2)CFR (3)CIF.

Q7. How about your delivery time?
A: Generally, under MOQ quantity take 5-7 working days after receiving your advance payment. The specific delivery time depends on models and the quantity of your order.

Q8. What’s your sample policy?
A: ,,,.


/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

elastomeric coupling

Design Considerations for Enhancing Elastomeric Coupling Durability

Elastomeric couplings can be designed to enhance their durability and performance in various mechanical power transmission applications. Here are some key design considerations:

1. Material Selection:

Choosing the appropriate elastomeric material based on the specific application requirements is critical for ensuring durability. Factors such as temperature range, chemical exposure, load capacity, and resistance to wear and tear should guide the material selection process.

2. Torque and Load Ratings:

The coupling’s design should consider the expected torque and load requirements of the application. Ensuring that the coupling’s torque and load ratings are well-matched to the operating conditions helps prevent premature failure due to overloading.

3. Misalignment Compensation:

Elastomeric couplings are known for their ability to accommodate misalignment between shafts. Properly designing the coupling to handle the anticipated misalignment angles and offset distances will prevent excessive stress on the elastomer and increase its longevity.

4. Damping and Vibration Control:

Integrating features to enhance the coupling’s damping capabilities can help reduce vibrations and dampen shocks and impacts. This reduces the overall stress on the coupling and connected equipment, contributing to improved durability.

5. Torsional Flexibility:

Providing adequate torsional flexibility in the coupling design allows it to absorb sudden torque spikes and fluctuations, preventing potential damage to the machinery and enhancing durability.

6. Corrosion Resistance:

In environments where corrosion or chemical exposure is a concern, incorporating corrosion-resistant materials or protective coatings in the coupling design can extend its service life.

7. Lubrication and Maintenance:

Some elastomeric couplings may require periodic lubrication to minimize friction and wear. Designing the coupling to facilitate easy maintenance can ensure it remains in optimal condition throughout its operational life.

8. Finite Element Analysis (FEA):

Using FEA during the design phase allows engineers to simulate real-world operating conditions and identify potential stress concentrations. This enables the optimization of the coupling’s shape and material distribution for enhanced durability.

By carefully considering these design aspects, engineers can create robust and durable elastomeric couplings that provide reliable performance and contribute to the overall efficiency and longevity of the mechanical systems they serve.

elastomeric coupling

Reducing Vibrations and Noise with Elastomeric Couplings

Elastomeric couplings are designed with inherent damping properties that enable them to effectively reduce vibrations and noise in rotating machinery. Here’s how elastomeric couplings achieve this:

1. Vibration Absorption:

Elastomeric materials have the ability to absorb and dissipate vibrational energy. When a rotating machinery system experiences torsional vibrations, the elastomeric coupling’s flexible element absorbs these vibrations, preventing them from propagating through the system. This dampening effect helps to minimize the transmission of vibrations to the connected equipment, reducing wear and fatigue on components.

2. Shock Load Reduction:

Elastomeric couplings can also absorb shock loads that occur during sudden starts and stops. When the machinery experiences abrupt changes in torque, the elastomeric material cushions the impact, protecting the machinery from potentially harmful shock loads.

3. Misalignment Compensation:

Machinery misalignment can lead to vibrations, noise, and premature wear. Elastomeric couplings are designed to accommodate various types of misalignment, including angular, parallel, and axial misalignments. By flexing and compensating for misalignment, the coupling reduces stress on the connected machinery, further minimizing vibrations.

4. Damping of Resonance:

Resonance is a phenomenon where the natural frequency of the rotating machinery coincides with an external force, leading to amplified vibrations. Elastomeric couplings help dampen resonance by absorbing and dissipating the energy, preventing resonance-related issues and reducing noise.

5. Electrical Isolation:

Elastomeric couplings made from electrically insulating materials provide electrical isolation between connected shafts. This isolation prevents the transmission of electrical currents or interference between the machinery components, which can contribute to noise and signal disturbances.

By effectively reducing vibrations and noise, elastomeric couplings contribute to smoother and quieter operation of rotating machinery. This leads to benefits such as improved equipment reliability, reduced maintenance costs, and increased operator comfort in industrial settings.

However, it is important to select the appropriate elastomeric coupling based on the specific requirements of the machinery and application. Factors such as torque, speed, misalignment, and environmental conditions must be considered to ensure that the coupling can effectively mitigate vibrations and noise while providing reliable power transmission.

elastomeric coupling

Can Elastomeric Couplings Handle Misalignment Between Shafts Effectively?

Yes, elastomeric couplings are designed to handle misalignment between shafts effectively. Their flexible and resilient elastomeric material allows them to accommodate various types of misalignment, including:

  • Angular Misalignment: When the axes of the two connected shafts are not collinear and form an angle, elastomeric couplings can flex and compensate for this angular misalignment. This is crucial in applications where shafts are not perfectly aligned due to manufacturing tolerances, installation errors, or structural settling.
  • Parallel Misalignment: When the axes of the two shafts are not perfectly parallel but have some lateral offset, elastomeric couplings can accommodate this misalignment by allowing a certain degree of lateral movement between the hubs.
  • Axial Misalignment: When the two shafts are not perfectly aligned along their common axis, causing a gap or overlap between them, elastomeric couplings can flex and absorb this axial misalignment, preventing excessive forces on the connected machinery.

The elastomeric material used in these couplings acts as a natural shock absorber and isolates vibrations, which helps prevent excessive wear on equipment and reduces the risk of damage to connected components. Elastomeric couplings are also capable of dampening transient vibrations caused by sudden torque fluctuations or shock loads.

However, it is important to note that while elastomeric couplings can handle moderate misalignments, they have their limitations. Large misalignments beyond their design capabilities may lead to premature wear and reduced coupling life. In such cases, special designs or alternative coupling types may be more suitable.

Overall, elastomeric couplings are a popular choice in many industrial applications due to their ability to effectively handle misalignment, providing reliable and smooth power transmission while protecting machinery from excessive stresses and vibrations.

China OEM Kaeser Screw Air Compressor Parts 5.3129.3 Flexible Elastomeric Coupling Element  China OEM Kaeser Screw Air Compressor Parts 5.3129.3 Flexible Elastomeric Coupling Element
editor by CX 2023-12-26