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Help CenterHeavy-Duty Coupling 304 Stainless Steel, 500 Nm Torque, Flexible Jaw, 50mm Bore
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Henan San Kuang Machinery Technology Co., Ltd., a professional manufacturer based in Luoyang, Henan, China, proudly presents our Heavy-Duty Coupling 304 Stainless Steel, 500 Nm Torque, Flexible Jaw, 50mm Bore. As a company with a factory size of 10,000–30,000 square meters and a dedicated team of 51–100 employees, we specialize in producing high-quality mechanical components for global industries. Our coupling is engineered to deliver reliable torque transmission, compensate for misalignment, and withstand harsh environments, making it an ideal choice for demanding applications. With annual export value ranging from US$2.5 million to US$5 million, we have served clients across North America, South America, Europe, Asia, Africa, and Oceania, ensuring consistent quality and timely delivery.
Key Features & Technical Specifications
- Robust 304 Stainless Steel Construction – Offers excellent corrosion resistance, making it suitable for food processing, chemical, and marine environments.
- High Torque Capacity of 500 Nm – Designed for heavy-duty power transmission in industrial machinery, pumps, compressors, and gearboxes.
- Flexible Jaw Design – Absorbs vibration, dampens shock loads, and accommodates angular, parallel, and axial misalignment up to industry standards.
- Precision 50mm Bore – Fits standard shafts; custom bore sizes available upon request.
- Easy Installation and Maintenance – Split hub design with elastomeric spider insert; no special tools required.
- Wide Operating Temperature Range – Compatible with polyurethane or rubber elastomers for varied temperature conditions.
- RoHS Compliant – Manufactured with environmentally friendly materials.
| Parameter | Value |
|---|---|
| Material | 304 Stainless Steel |
| Rated Torque | 500 Nm |
| Bore Diameter | 50 mm |
| Coupling Type | Flexible Jaw (Spider Insert) |
| Maximum Speed | 5,000 rpm (with standard elastomer) |
| Misalignment Capability | Angular: 1°, Parallel: 0.38 mm, Axial: 1.5 mm |
| Operating Temperature | -30°C to +80°C (polyurethane) / -40°C to +120°C (rubber) |
| Weight (approx.) | 2.5 kg |
Product Advantages & Benefits
- Durability in Harsh Conditions – 304 stainless steel resists rust and corrosion, extending service life in wet or chemical-laden environments.
- Reduced Maintenance Costs – The flexible jaw design minimizes wear on connected equipment; the elastomer spider can be replaced without removing the hubs.
- Improved System Reliability – By absorbing vibration and shock, the coupling protects bearings, seals, and shafts from premature failure.
- Versatile Mounting Options – Available with keyway, set screw, or clamping hub designs; custom bore sizes and keyway dimensions are available.
- Compliance with International Standards – Our manufacturing facility is certified with ISO9001, ISO14000, HACCP, and other quality management systems, ensuring consistent product quality.
- Global Logistics Support – Shipped from major Chinese ports (Shanghai, Lianyungang, Qingdao, Tianjin) with reliable delivery to markets worldwide.
Our coupling is widely used in pump drives, conveyor systems, mixers, compressors, and printing machinery. The 50mm bore size fits common industrial shafts, and the 500 Nm torque rating covers a broad range of moderate to heavy-duty applications. Whether you need a standard configuration or a customized solution, our engineering team can assist you.
Why Choose Henan San Kuang Machinery Technology Co., Ltd.?
Since our establishment in 2022, we have rapidly grown into a trusted manufacturer with a modern factory spanning 10,000–30,000 square meters. Our annual export value of US$2.5 million–US$5 million reflects the confidence our global customers place in us. We hold multiple certifications including ISO9001, ISO14000, HACCP, SA8000, OHSAS18001, TL900, QS9000, and ISO16949, demonstrating our commitment to quality, environment, and social responsibility. Our main markets cover North America, South America, Europe, Africa, Oceania, and Asia, and we have shipped products to over 30 countries.
We offer competitive pricing, flexible customization, and responsive after-sales support. Each coupling undergoes rigorous inspection before shipment, including dimensional checks, hardness testing, and torque validation. We are confident that our Heavy-Duty Coupling will exceed your expectations.
Contact us today to place an order or request a quote. Let our team provide you with a reliable power transmission solution.
Frequently Asked Questions (FAQ)
-
What is the maximum torque this coupling can handle?
The rated torque is 500 Nm, with a moderate overload capacity. For peak loads beyond 500 Nm, please consult our engineering team for appropriate sizing. -
Can I use this coupling in a food processing environment?
Yes, the 304 stainless steel construction is FDA-compliant for incidental food contact, and the coupling can be easily cleaned with sanitizers. -
What elastomer materials are available?
We offer polyurethane (standard) and rubber (high-temperature) spider inserts. Polyurethane provides good damping and oil resistance, while rubber handles higher temperatures up to 120°C. -
Can the bore size be customized?
Absolutely. We can machine the bore to your required diameter (e.g., 40mm, 60mm, etc.) with appropriate keyway. Minimum order quantity may apply. -
How do I install the coupling correctly?
Simply slide the two hubs onto the shafts, align them, insert the spider, and tighten the set screws or clamping bolts. Ensure proper shaft alignment within the specified misalignment limits. -
Do you provide a warranty?
Yes, we offer a standard 12-month warranty against manufacturing defects. Extended warranty options are available upon request. -
What is the lead time for this coupling?
For standard 50mm bore models, lead time is 7–10 working days. For custom sizes, it is typically 15–20 working days. -
Can I get a sample before bulk order?
Yes, sample orders are welcome. We can provide one unit for testing, with the sample cost deducted from your first bulk order.
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