SWC-WD Non Flex Short Universal Coupling
The SWC-WD without flex short universal coupling series is engineered for ultimate durability and performance in space-constrained applications, this range of compact cardan shafts is the ideal choice for heavy-duty machinery across Australian industries, from the bustling ports of Melbourne to the vast mining operations of Western Australia. As the authorized Australian sales agent for EVER-POWER, we provide premium quality products combined with expert local support and fast delivery.
SWC-WD Universal Coupling Specifications and Dimensions
The SWC-WD series is meticulously designed to provide a rigid, non-expanding connection between shafts with angular misalignment. This fixed-length, short universal joint is the go-to solution for engineers and procurement managers who demand high torque capacity and reliability without the need for axial movement. The following table highlights the critical technical specifications that set our couplings apart, allowing for quick and accurate selection for your specific needs.

| Type | Gyration diameter D (mm) | Nominal torque Tn (KN·m) | Axes fold angleβ (°) | Weary torque Tf (Kn·m) | L (mm) Size | Rotating inertia kg·m²(I) | Weight (Kg) | ||||||||
| Lmin | D1 (js11) | D2 (H7) | Lm | n-d | k | t | b (h9) | g | |||||||
| SWCI80WD | 180 | 12.5 | 6.3 | ≤25 | 440 | 155 | 105 | 110 | 45886 | 17 | 5 | - | - | 0.145 | 52 |
| SWC225WD | 225 | 40 | 20 | ≤15 | 480 | 196 | 135 | 120 | 45886 | 20 | 5 | 32 | 9 | 0.355 | 82 |
| SWC250WD | 250 | 63 | 31.5 | 560 | 218 | 150 | 140 | 45888 | 25 | 6 | 40 | 12.5 | 0.831 | 127 | |
| SWC285WD | 285 | 90 | 45 | 640 | 245 | 170 | 160 | 45890 | 27 | 7 | 40 | 15 | 1.715 | 189 | |
| SWC315WD | 315 | 125 | 63 | 720 | 280 | 185 | 180 | 45953 | 32 | 8 | 40 | 15 | 2.82 | 270 | |
| SWC350WD | 350 | 180 | 90 | 776 | 310 | 210 | 194 | 45953 | 35 | 8 | 50 | 16 | 4.791 | 370 | |
| SWC390WD | 390 | 250 | 125 | 860 | 345 | 235 | 215 | 45955 | 40 | 8 | 70 | 18 | 8.229 | 524 | |
| SWC440WD | 440 | 355 | 180 | 1040 | 390 | 255 | 260 | 16-28 | 42 | 10 | 80 | 20 | 15.32 | 798 | |
| SWC490WD | 490 | 500 | 250 | 1080 | 435 | 275 | 270 | 16-31 | 47 | 12 | 90 | 22.5 | 25.74 | 1055 | |
| SWC550WD | 550 | 710 | 355 | 1220 | 492 | 320 | 305 | 16-31 | 50 | 12 | 100 | 22.5 | 46.78 | 1524 | |
| SWC620WD | 620 | 1000 | 500 | 1360 | 555 | 380 | 340 | 10-38 | 55 | 12 | 100 | 25 | 83.76 | 2120 | |
Overview
A non-flex short universal coupling, often referred to as a compact cardan shaft, is an engineered mechanical component designed to transmit power between two shafts that are not aligned. Unlike its telescopic counterparts, this type of coupling is defined by its fixed, short length, making it a critical solution for applications where space is at a premium. The rigid structure ensures a reliable and powerful connection, capable of handling significant torque loads while compensating for angular misalignment. This makes the SWC-WD series a highly reliable and low-maintenance alternative to other universal joints in demanding industrial environments.
Choose GBC’s SWC-WD Rigid Universal Couplings!
GBC is committed to supplying the Australian market with industrial-grade components that excel in performance and longevity. Our SWC-WD series, a key offering in our range of universal joints, is perfectly suited for the challenging conditions of Australian heavy industry.
- Space-Saving Design: The "short" design of the SWC-WD series is a primary advantage. It allows for seamless integration into compact machinery, optimizing your equipment's footprint without compromising on power transmission capabilities.
- High Torque, High Reliability: With nominal torque ratings up to 1000 kN·m, these universal couplings are built for heavy loads. The impressive weary fatigue torque ratings ensure they stand up to the relentless, alternating loads found in mining and manufacturing, providing a long, dependable service life.
- Precision Engineering for Peak Performance: Manufactured by EVER-POWER with advanced techniques, each SWC-WD coupling undergoes rigorous quality control. The precision-machined flanges and joints ensure a smooth, balanced operation, minimizing vibration and wear on connected components.

Ever-power Manufacturing Excellence, Delivered by GBC in Australia
The SWC-WD non-flex short universal coupling is a product of EVER-POWER's world-class manufacturing facility. Our commitment to quality and precision is evident in every step of the production process:
- Superior Material Selection: We use only high-grade forged steel, sourced and verified to meet strict international standards, ensuring the foundational strength of every coupling.
- Advanced CNC Machining: Every component is meticulously crafted using computer numerical control (CNC) machines, guaranteeing extremely tight tolerances and perfect balance, which is vital for high-speed, heavy-duty applications.
- Comprehensive Heat Treatment: Key components undergo a specialized heat treatment process to enhance hardness, wear resistance, and fatigue strength, extending the lifespan of the coupling in the most demanding conditions.
- Dynamic Balancing: To eliminate vibration and ensure smooth operation, each finished coupling is dynamically balanced to a precise standard, crucial for machinery that operates at high rotational speeds.
- Rigorous Quality Control: Every product is subjected to a multi-stage inspection process, from initial raw material checks to final performance testing. We test for dimensions, material integrity, and load-bearing capacity to ensure absolute reliability.
How do I properly select a non flex universal coupling for my equipment?
Choosing the right coupling is critical. You must consider several key factors: the nominal torque (Tn) required for your application, the maximum rotational speed, the expected axial fold angle (β), and the precise distance between the connected shafts. Consulting our technical data sheet and engaging with a GBC engineer will help you match the right SWC-WD model to your exact operational requirements.
What is the difference between a non-flexible and a telescopic cardan shaft?
The main difference lies in their length. A non-flexible short universal coupling has a fixed length, meaning it cannot extend or contract axially. A telescopic cardan shaft, on the other hand, is designed with a sliding joint that allows for a change in length, making it suitable for applications where the distance between the connected shafts varies during operation.
Can these universal couplings be used in high-vibration environments?
Yes. Our SWC-WD series is specifically engineered for durability in demanding industrial settings. The robust design, high-quality materials, and precision manufacturing process ensure they can withstand high levels of vibration and shock loads without failing, making them a reliable choice for heavy-duty Australian equipment.
Customer Testimonials from GBC's Australian Clients
| Mark L., Lead Engineer | Jessica F., Procurement Manager | Emily S., Technical Director |
| We were struggling to find a coupling that could fit into a compact new machine design for our Sydney factory. The GBC team recommended the SWC-WD series, and it was the perfect fit. The quality is excellent, and the performance has been flawless. A truly professional service from start to finish. | Our mining equipment operates in some of the most challenging environments in the world. We need components that can handle dust, heat, and relentless heavy loads. The GBC SWC-WD universal cardan shafts have proven to be exceptionally durable and reliable, reducing our maintenance costs and unplanned downtime significantly | Before we made a purchase, the GBC team took the time to understand our specific technical requirements. They provided a detailed explanation of why the SWC-WD coupling was the right choice for our heavy-duty pumps. This level of expertise and genuine care for the customer is what sets them apart. We highly recommend them to anyone in the industry. |
Related GBC Products & Solutions
To provide a complete power transmission solution, GBC offers a wide array of products that integrate seamlessly with our SWC-WD universal couplings.
- Industrial Gearboxes: Our high-efficiency gearboxes are designed to match the robust performance of our cardan shafts.
- Roller Chains & Sprockets: We supply a full range of durable roller chains and sprockets for various industrial applications.
- Telescopic Universal Cardan Shafts: For applications requiring axial movement, explore our range of telescopic drive shafts.
- Flexible Couplings: When slight misalignment and damping are required, our flexible couplings provide an excellent solution.
Contact GBC today for a quote or to speak with one of our expert engineers about the SWC-WD series and how it can benefit your business in Australia.
The SWC-WD without flex short universal coupling series is engineered for ultimate durability and performance in space-constrained applications, this range of compact cardan shafts is the ideal choice for heavy-duty machinery across Australian industries, from the bustling ports of Melbourne to the vast mining operations of Western Australia. As the authorized Australian sales agent for EVER-POWER, we provide premium quality products combined with expert local support and fast delivery.






