Description
Product Overview
The uxcell 5mm‑7mm aluminum alloy shaft coupling is engineered to deliver precise torque transmission while accommodating minor misalignments between connected shafts. Constructed from high‑strength aluminum alloy, the coupling combines lightweight durability with excellent corrosion resistance, making it suitable for a wide range of industrial and scientific environments. Its silver‑finished exterior not only provides an attractive appearance but also adds an extra layer of protection against wear and tear. The coupling features a one‑piece metallic spring design that eliminates backlash and reduces vibration, ensuring smooth operation even under fluctuating loads. With a total length of 25 mm and an outside diameter of 19 mm, the unit fits compact assemblies without sacrificing performance.
Each package contains five identical couplings, allowing users to stock spare parts or equip multiple machines with a consistent solution. The design includes a hollow shaft bore that accepts shafts from 5 mm to 7 mm, providing flexibility for various motor and gearbox configurations. The unthreaded construction simplifies installation—simply slide the coupling onto the shafts and secure it with set screws or clamps as required. This straightforward approach reduces assembly time and minimizes the risk of installation errors, which is especially valuable in high‑volume production settings.
![[Product front view showing all components]](https://www.anvexa.store/wp-content/uploads/2026/07/2a233dded0254e71aeccce1915added2.jpg)
Usage
Designed for light‑to‑medium duty applications, this flexible coupling excels in environments where precision and reliability are paramount. It is commonly employed in drive systems for encoders, where accurate signal transmission depends on minimal shaft wobble. Small pumps and feed rollers also benefit from the coupling’s ability to absorb angular misalignments, extending the lifespan of bearings and reducing maintenance intervals. In addition, the coupling is well‑suited for lead screw mechanisms used in CNC machines and 3‑D printers, where consistent torque delivery directly influences positioning accuracy.
Because the coupling can tolerate both parallel and angular offsets, it is an ideal choice for installations where perfect alignment is difficult to achieve or maintain. This includes retrofitting older equipment, where mounting tolerances may have shifted over time, as well as modular systems that require quick reconfiguration. The lightweight aluminum construction helps keep overall system mass low, which is advantageous in applications such as robotic arms or portable instrumentation where weight constraints are critical.
Engineers and technicians appreciate the coupling’s ease of replacement. When a component reaches the end of its service life, the entire coupling can be swapped out without disassembling the surrounding hardware, minimizing downtime. The five‑piece pack ensures that spare units are readily available, supporting continuous operation in production lines or research facilities.
Why Choose Us
uxcell is a recognized brand in the industrial components market, known for delivering high‑quality products that meet rigorous performance standards. Each shaft coupling undergoes strict quality control procedures, including dimensional verification and material testing, to guarantee that it conforms to the specified tolerances and load capacities. The aluminum alloy used in this coupling is sourced from reputable suppliers, ensuring consistent mechanical properties and long‑term durability.
Our commitment to customer satisfaction extends beyond product manufacturing. We provide comprehensive technical documentation, including installation guides and compatibility charts, to help users select the right coupling for their specific needs. In addition, our responsive support team is available to answer technical questions, assist with troubleshooting, and offer recommendations for optimal system integration.
Environmental responsibility is also a core value for uxcell. The aluminum alloy is fully recyclable, and the manufacturing process adheres to environmentally friendly practices, reducing waste and energy consumption. By choosing this coupling, customers not only gain a reliable mechanical solution but also contribute to sustainable industry practices.
Finally, the competitive pricing of the five‑piece pack delivers excellent value without compromising on quality. Whether you are outfitting a single prototype or equipping an entire production line, the uxcell shaft coupling provides a cost‑effective solution that meets demanding performance criteria.
Key Features
- Five‑piece pack ensures you always have a spare ready for quick replacements.
- Aluminum alloy construction offers a lightweight yet robust solution for demanding applications.
- Flexible spring design absorbs parallel and angular misalignments, reducing vibration and wear.
- Zero‑backlash operation provides smooth torque transmission for precision equipment.
- Dedicated customer support and detailed technical resources simplify installation and maintenance.
FAQ
What shaft sizes are compatible with this coupling?
The coupling accepts shafts with diameters ranging from 5 mm to 7 mm, making it suitable for a variety of small‑to‑medium motors and gearboxes.
Can this coupling handle high torque loads?
While the coupling is designed for light‑to‑medium duty applications, it reliably transmits torque within the limits of its aluminum alloy construction. For high‑torque requirements, a steel or larger‑diameter coupling is recommended.
Is any special tooling required for installation?
No special tools are needed. The coupling is unthreaded and can be slid onto the shafts directly. Set screws or clamps can be used to secure the coupling if additional fixation is desired.
How does the flexible design affect system performance?
The built‑in spring action absorbs minor misalignments and dampens vibrations, which helps protect bearings and extend the lifespan of the entire drive system. This results in smoother operation and less maintenance.
What warranty does uxcell provide for this product?
uxcell offers a one‑year limited warranty covering manufacturing defects. Should any issues arise, contact our support team for a replacement or repair solution.




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