PRODUCTS
CONTACT US
SWC120BH Universal Joint Coupling – Heavy-Duty Compact Cardan Drive Shaft for Industrial & Construction Power Transmission
Model Number
Check below, custom
SWC120BH
- Phone : +86 13431039760
- Wechat : +86 13431039760
- Whatsapp : +86 13431039760
- Email : ella@apexcoupling.com
Product Description
SWC120BH Universal Joint Coupling – Heavy-Duty Compact Cardan Drive Shaft for Industrial & Construction Power Transmission
The SWC120BH universal joint coupling is a heavy-duty compact cardan drive shaft built for demanding industrial and construction equipment applications. Featuring a 120 mm nominal bore and a robust 6 kN·m rated torque capacity, this metal flexible compensation coupling delivers dependable power transmission between misaligned shafts in high-load environments.
Designed with a welded-hub compact structure, the SWC120BH cardan shaft combines high torque density with a relatively lightweight, space-saving form factor. Its simple construction allows for quick assembly and disassembly, making it the preferred choice for heavy-duty motors, large pumps, gearboxes, and construction machinery where reliability, angular compensation, and ease of maintenance are paramount.
As a source factory manufacturer, Apexcoupling.com supplies the SWC120BH cross shaft coupling with full customization support, abundant inventory, and fast global delivery.
SWC120BH Specifications & Dimensions
| Parameter | Specification |
|---|---|
| Model | SWC120BH |
| Bore Diameter (D) | 120 mm |
| Rated Torque (Tn) | 6 kN·m |
| Universal Joint Size | 45 × 120 mm |
| Bolt Circle Diameter (D1) | 102 mm (js11) |
| Pilot Diameter (D2 H7) | 75 mm |
| Shaft Tube Outer Diameter (D3) | 76 mm |
| Pilot Depth (t) | 8 mm |
| Flange Thickness (B) | 4 mm |
| Number of Bolt Holes (n) | 8–11 |
| Type | Welded Hub / Compact Non-Telescopic |
| Compensation Type | Metal Flexible (Angular) |
| Material | High-Grade Forged Steel |
| Surface Treatment | Spray Coating / Anti-Rust Finish |
| Weight | ≈ 25–40 kg (varies by overall length) |
Exact dimensions per above table. Non-standard bore sizes, flange patterns, and overall lengths fully supported. Contact us for custom engineering.
Key Features – SWC120BH Heavy-Duty Cardan Coupling
✅ High Torque Capacity in Compact Form
The SWC120BH motor coupling delivers an impressive 6 kN·m rated torque through a large 45×120 mm cross shaft assembly, making it suitable for heavy-duty industrial drivelines while maintaining a compact welded-hub footprint.
The SWC120BH motor coupling delivers an impressive 6 kN·m rated torque through a large 45×120 mm cross shaft assembly, making it suitable for heavy-duty industrial drivelines while maintaining a compact welded-hub footprint.
✅ Metal Flexible Compensation
Provides reliable angular misalignment absorption through precision-machined metal components. No rubber or polyurethane elements to degrade, ensuring stable performance in high-temperature and harsh industrial environments.
Provides reliable angular misalignment absorption through precision-machined metal components. No rubber or polyurethane elements to degrade, ensuring stable performance in high-temperature and harsh industrial environments.
✅ Simple Structure – Easy Assembly & Disassembly
With a straightforward flange-bolt mounting and minimal component count, the SWC120BH drive shaft can be installed or removed quickly without special tools, significantly reducing equipment downtime during maintenance.
With a straightforward flange-bolt mounting and minimal component count, the SWC120BH drive shaft can be installed or removed quickly without special tools, significantly reducing equipment downtime during maintenance.
✅ Efficient Power Transmission
The large 45×120 mm cross shaft with multi-row needle bearings ensures smooth, efficient torque delivery with minimal backlash, maximizing power transfer efficiency from motor to driven equipment even under shock loads.
The large 45×120 mm cross shaft with multi-row needle bearings ensures smooth, efficient torque delivery with minimal backlash, maximizing power transfer efficiency from motor to driven equipment even under shock loads.
✅ Rigorous Material Selection
Manufactured from strictly selected high-grade forged steel with precision machining and heat treatment. The cross shaft, yoke, and flange are engineered for high impact resistance and extended fatigue life under heavy cyclic loading.
Manufactured from strictly selected high-grade forged steel with precision machining and heat treatment. The cross shaft, yoke, and flange are engineered for high impact resistance and extended fatigue life under heavy cyclic loading.
✅ Factory Direct – Abundant Stock
As the source manufacturer, we maintain large inventories of SWC series components. SWC120BH universal joint couplings and semi-finished parts are available for fast dispatch, with custom orders entering production immediately.
As the source manufacturer, we maintain large inventories of SWC series components. SWC120BH universal joint couplings and semi-finished parts are available for fast dispatch, with custom orders entering production immediately.
Material & Manufacturing Excellence
| Component | Material / Process | Advantage |
|---|---|---|
| Cross Shaft (Spider) | 45×120 mm heat-treated alloy steel, precision ground | Exceptional load capacity, superior wear resistance under 6kN·m torque |
| Needle Bearings | Multi-row heavy-duty roller design | Low friction, smooth rotation, extended service life under high loads |
| Yoke / Fork | High-grade forged steel | Outstanding strength and fatigue resistance |
| Flange | CNC machined forged steel | 102 mm bolt circle, accurate vibration-free mounting |
| Shaft Tube | 76 mm seamless steel pipe | High torsional rigidity, stable operation under heavy industrial loads |
| Welding | Automated welding process | Stronger, defect-free joints with consistent penetration |
| Surface Finish | Spray coating + anti-rust treatment | Corrosion resistance for industrial, construction, and outdoor environments |
Every SWC120BH cardan coupling undergoes strict quality inspection at every production stage – from raw material verification to final dimensional, runout, and torque capacity checking – ensuring ISO-compliant quality before shipment.
Applications – Heavy-Duty Industrial & Construction Equipment
The SWC120BH compact universal joint coupling is the ideal power transmission solution for heavy-duty equipment:
- ⚡ Heavy Electric Motors – Large motor-to-pump, motor-to-fan, motor-to-gearbox connections
- 🔄 Pumps & Compressors – Industrial rotary pumps, screw compressors, large hydraulic pumps
- ⚙️ Gearbox Drives – Input/output shaft coupling for heavy-duty speed reducers and gearboxes
- 🏭 Industrial Machinery – Mixers, agitators, conveyors, crushers, ball mills, screening equipment
- 🚜 Construction Equipment – Medium-to-large excavators, loaders, bulldozers, cranes
- 🏗️ Material Handling – Winches, hoists, heavy conveyors, stackers, port machinery
- ⛏️ Mining & Quarrying – Crushers, vibrating screens, drilling rigs
- 🚗 Automotive & Test Rigs – Heavy dynamometers, PTO drives, industrial testing equipment
Customization Process – How to Order
We provide full OEM/ODM support for the SWC120BH universal joint drive shaft. Our streamlined process ensures precision and speed:
| Step | Process | Description |
|---|---|---|
| 01 | Consultation | Share your requirements with our sales engineers |
| 02 | Drawing Submission | Provide product drawings or physical samples |
| 03 | Process Confirmation | We confirm materials, tolerances, and manufacturing method |
| 04 | Quotation | Competitive factory-direct pricing delivered |
| 05 | Payment | Order confirmation and deposit payment |
| 06 | Production | Workshop manufacturing with strict timeline control |
| 07 | Quality Inspection | Multi-stage inspection: material → machining → assembly → final test |
| 08 | On-Time Delivery | Short lead time with punctual dispatch and export packaging |
| 09 | Customer Feedback | Post-delivery technical support and satisfaction follow-up |
For custom orders, please provide:
- Exact bore diameter and keyway size
- Required torque, RPM, and operating angle
- Flange standard or custom bolt pattern drawing (refer to our 102 mm D1 / 75 mm D2 spec)
- Overall length or installation distance
- Target quantity and delivery schedule
Why Choose Apexcoupling.com?
| Advantage | Detail |
|---|---|
| 🏭 Source Factory | Direct manufacturer specializing in SWC series universal joints and drive shafts |
| 📦 Abundant Inventory | Large stock of SWC65BH–SWC620 components. Same-day shipping for standard models |
| ⚙️ Full Customization | Non-standard bore, length, flange, and material options available |
| 🔧 Strict Quality Control | Multi-stage inspection from raw material to finished product. ISO-compliant processes |
| 🌐 Global Export | Professional export packaging with full documentation (CO, mill certificates) |
| 💰 Competitive Pricing | Eliminate distributor markup with factory-direct pricing |
| 🚀 Fast Response | Technical quotations and drawing reviews within 24 hours |
📞 Request Your SWC120BH Quote Today
In Stock: SWC65BH, SWC75BH, SWC90BH, SWC100BH, SWC120BH, and complete SWC series
Whether you need a standard SWC120BH heavy-duty universal joint coupling or a fully customized compact cardan drive shaft, Apexcoupling.com delivers precision-engineered solutions with fast global delivery.
👉 [Request a Quote / Send Inquiry]
📧 Email: ella@apexcoupling.com
📱 WhatsApp: +86 13437856962
🌐 Website: www.apexcoupling.com
📧 Email: ella@apexcoupling.com
📱 WhatsApp: +86 13437856962
🌐 Website: www.apexcoupling.com
FAQ – SWC120BH Universal Joint Coupling
Q1: What is the exact rated torque and bore of SWC120BH?
A: The SWC120BH has a 120 mm bore diameter and a rated torque of 6 kN·m, with a 45×120 mm cross shaft assembly.
A: The SWC120BH has a 120 mm bore diameter and a rated torque of 6 kN·m, with a 45×120 mm cross shaft assembly.
Q2: What are the exact flange dimensions of SWC120BH?
A: Per the specification table: bolt circle diameter D1 = 102 mm (js11), pilot diameter D2 = 75 mm (H7), flange thickness B = 4 mm, with 8–11 bolt holes.
A: Per the specification table: bolt circle diameter D1 = 102 mm (js11), pilot diameter D2 = 75 mm (H7), flange thickness B = 4 mm, with 8–11 bolt holes.
Q3: How does SWC120BH compare to SWC100BH and SWC90BH?
A: The SWC120BH is the larger, higher-torque model. SWC90BH (95 mm, 2 kN·m) and SWC100BH (100 mm, 4 kN·m) are designed for medium-duty applications, while the SWC120BH (120 mm, 6 kN·m) handles heavy-duty industrial and construction equipment with 50% more torque capacity than the SWC100BH.
A: The SWC120BH is the larger, higher-torque model. SWC90BH (95 mm, 2 kN·m) and SWC100BH (100 mm, 4 kN·m) are designed for medium-duty applications, while the SWC120BH (120 mm, 6 kN·m) handles heavy-duty industrial and construction equipment with 50% more torque capacity than the SWC100BH.
Q4: Can SWC120BH be used in high-speed applications?
A: Yes, with proper dynamic balancing. Typical operating speeds range from 2,000–3,500 RPM depending on misalignment angle and balance grade. Contact us for high-speed balancing upgrades and certificates.
A: Yes, with proper dynamic balancing. Typical operating speeds range from 2,000–3,500 RPM depending on misalignment angle and balance grade. Contact us for high-speed balancing upgrades and certificates.
Q5: Do you offer SWC120BH with special coatings or materials?
A: Yes. While standard units use high-grade forged steel, we can manufacture SWC120BH couplings in stainless steel or with specialized anti-corrosion coatings for marine, chemical, mining, and extreme outdoor environments upon request.
A: Yes. While standard units use high-grade forged steel, we can manufacture SWC120BH couplings in stainless steel or with specialized anti-corrosion coatings for marine, chemical, mining, and extreme outdoor environments upon request.
Q6: How do I maintain the SWC120BH coupling?
A: Grease the cross shaft needle bearings every 500 operating hours through the grease fitting. The simple flange-mounted structure allows quick inspection and replacement of wearable parts without removing connected equipment.
A: Grease the cross shaft needle bearings every 500 operating hours through the grease fitting. The simple flange-mounted structure allows quick inspection and replacement of wearable parts without removing connected equipment.
SWC120BH universal joint coupling, heavy-duty cardan drive shaft, industrial universal coupling, flange drive shaft
Product Show
6kN·m universal joint, 120mm bore cardan shaft, heavy motor pump gearbox coupling, metal flexible drive shaft. heavy industrial machinery coupling, construction equipment drive shaft, pump motor transmission, mining machinery connector
Add Your Tooltip Text Here
