SWC-WF Without Flex Flange Type Universal Cardan Shaft
The SWC-WF without flex flange universal cardan shaft series is engineered for demanding applications that require a rigid, fixed-length connection with exceptional torque capacity. As the exclusive sales agent for EVER-POWER in Australia, we bring you factory-direct quality with local expertise and support. Our SWC-WF universal joint shaft couplings are the preferred choice for heavy machinery, mining equipment, and steel mills.
SWC-WF Universal Coupling Specification
Our commitment to engineering excellence is reflected in every product we deliver. Below is a comprehensive table of the most critical technical specifications for our SWC-WF series, designed to help you make an informed decision instantly.

| Type | Gyration diameter (mm) D | Nominal torque (KN·m) Tn | Axes fold angle (°) β | Weary torque (Kn·m) Tf | Size (mm) | Rotating inertia (kg·m²) | Weight (kg) | |||||||||||
| Lmin | D1 (js11) | D2 (H7) | D3 | Lm | n-d | k | t | b (h9) | g | Lmin | Increase 100mm | Lmin | Increase 100mm | |||||
| SWCI80WF | 180 | 12.5 | 6.3 | ≤25 | 560 | 155 | 105 | 114 | 110 | 8-17 | 17 | 5 | - | - | 0.248 | 0.007 | 58 | 2.8 |
| SWC225WF | 225 | 40 | 20 | ≤15 | 610 | 196 | 135 | 152 | 120 | 8-17 | 20 | 5 | 32 | 9 | 0.636 | 0.0234 | 93 | 4.9 |
| SWC250WF | 250 | 63 | 31.5 | 715 | 218 | 150 | 168 | 140 | 8-19 | 25 | 6 | 40 | 12.5 | 1.352 | 0.0277 | 143 | 5.3 | |
| SWC285WF | 285 | 90 | 45 | 810 | 245 | 170 | 194 | 160 | 8-21 | 27 | 7 | 40 | 15 | 2.664 | 0.051 | 220 | 6.3 | |
| SWC315WF | 315 | 125 | 63 | 915 | 280 | 185 | 219 | 180 | 10-23 | 32 | 8 | 40 | 15 | 4.469 | 0.0795 | 300 | 8 | |
| SWC350WF | 350 | 180 | 90 | 980 | 310 | 210 | 267 | 194 | 10-23 | 35 | 8 | 50 | 16 | 7.388 | 0.2219 | 412 | 15 | |
| SWC390WF | 390 | 250 | 125 | 1100 | 345 | 235 | 267 | 215 | 10-25 | 40 | 8 | 70 | 18 | 13.184 | 0.2219 | 588 | 15 | |
| SWC440WF | 440 | 355 | 180 | 1290 | 390 | 255 | 325 | 260 | 16-28 | 42 | 10 | 80 | 20 | 23.25 | 0.4744 | 880 | 21.7 | |
| SWC490WF | 490 | 500 | 250 | 1360 | 435 | 275 | 325 | 270 | 16-31 | 47 | 12 | 90 | 22.5 | 40.75 | 0.4744 | 1173 | 21.7 | |
| SWC550WF | 550 | 710 | 355 | 1510 | 492 | 320 | 426 | 305 | 16-31 | 50 | 12 | 100 | 22.5 | 68.48 | 1.357 | 1663 | 34 | |
| SWC620WF | 620 | 1000 | 500 | 1690 | 555 | 380 | 426 | 340 | 10-38 | 55 | 12 | 100 | 25 | 127.53 | 1.357 | 2332 | 34 | |
Overview
The SWC-WF without flex flange universal coupling, also known as a rigid universal drive shaft or propeller shaft, is a critical component in industrial power transmission systems. Unlike universal couplings with a sliding or telescopic feature, this model is designed with a fixed length, providing a rigid connection between two shafts. Its key function is to transmit high torque and rotational motion while compensating for a certain degree of angular misalignment between the connected shafts. The robust flange-type connection ensures a secure and powerful link, making it ideal for applications where stability and high-load capacity are paramount.
How to Select the Right SWC-WF Coupling for My Application?
To select the correct coupling, you need to consider the following key factors:
- Nominal Torque (Tn): The torque the coupling needs to transmit under normal operating conditions.
- Rotational Speed: The RPM of the application.
- Axial Fold Angle (β): The maximum angular misalignment the coupling must handle.
- Length (L): The fixed distance between the flanges of the two connected shafts.
- Application Type: The specific industry and operating environment will help determine the necessary durability and material properties. Our engineers at GBC can assist you in making the perfect selection.

Our Manufacturing and Quality Assurance Process
At GBC, our commitment to quality is unwavering. We follow a meticulous manufacturing process that ensures every SWC-WF universal coupling meets the highest international standards.
- Raw Material Sourcing: We select only high-grade steel and alloys, certified to meet strict quality and metallurgical specifications.
- Precision Forging & Heat Treatment: Components are precision-forged to ensure maximum strength and durability. Advanced heat treatment processes are then applied to enhance hardness and fatigue resistance.
- CNC Machining: State-of-the-art CNC machinery is used to machine all parts to incredibly tight tolerances, guaranteeing perfect fit and balance.
- Dynamic Balancing: Each assembled coupling undergoes a dynamic balancing test to eliminate vibration and ensure smooth, quiet operation at high speeds.
- Rigorous Inspection: Our quality control engineers perform multi-stage inspections, from raw material to final assembly, checking for dimensional accuracy, material integrity, and overall performance.
- Protective Coating: A corrosion-resistant coating is applied to protect the coupling from environmental factors, extending its service life, particularly in humid or corrosive Australian environments.

Customer Testimonials
| We were having issues with vibration and premature wear on our old couplings. Since switching to the SWC-WF from GBC, the machine runs much smoother, and we haven't had any issues. | Our port cranes require extremely reliable components to avoid costly downtime. We chose GBC's SWC-WF couplings for a recent refurbishment project. The quality is top-notch, and we highly recommend them for any heavy-duty application. | In a high-heat, high-stress environment like a steel rolling mill, you need parts you can trust. The GBC SWC-WF drive shafts we installed are performing flawlessly, handling the heavy loads without a single hitch. It's a great example of a quality replacement for other brands that failed to meet our expectations. |
Why Choose GBC's SWC-WF Fixed Length Universal Cardan Shaft?
Our SWC-WF universal cardan shafts, supplied under the GBC brand, are synonymous with durability, precision, and reliability. We understand the unique challenges faced by Australian industries, from the harsh conditions of mining sites in Western Australia to the demanding operations of port terminals in Sydney. Our couplings are engineered to not just meet, but exceed, these requirements.
- Exceptional Durability and Wear Resistance: Our couplings are rated with a high weary fatigue torque (Tf), ensuring a long service life and reduced maintenance in continuous operation.
- Precision Manufacturing: We adhere to stringent quality control standards, ensuring every component is machined to precise tolerances. This guarantees smooth operation and reliable power transfer.
- Competitive Pricing: As a direct representative of the manufacturer, GBC offers superior products at a factory-competitive price, providing Australian businesses with excellent value without compromising on quality.
- Local Australian Support: Our team of experienced mechanical engineers and product specialists in Australia provides expert consultation, quick supply, and outstanding after-sales service, ensuring your operations run smoothly.

Related GBC Products & Solutions
To complete your power transmission system, GBC offers a wide range of related products that complement our SWC-WF universal couplings.
- Custom Drive Shafts: We can design and manufacture bespoke drive shafts to your exact specifications.
- Industrial Gearboxes: Our robust gearboxes are engineered for efficiency and durability in the most demanding environments.
- Sprockets and Chains: We offer a full line of sprockets and chains to handle any roller chain application.
- Flexible Couplings: For applications requiring axial and angular flexibility, explore our range of flexible couplings.
Contact GBC today for a quote or to speak with one of our expert engineers about your specific application.
The SWC-WF without flex flange universal cardan shaft series is engineered for demanding applications that require a rigid, fixed-length connection with exceptional torque capacity. As the exclusive sales agent for EVER-POWER in Australia, we bring you factory-direct quality with local expertise and support. Our SWC-WF universal joint shaft couplings are the preferred choice for heavy machinery, mining equipment, and steel mills.






