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Help CenterBJ-C Ball Cage Universal Joint Coupling 2~3 Times Lifespan Over Traditional Cross Shaft Coupling
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Hebei Speed Torque Transmission Technology Co., Ltd., a reliable manufacturer since 2017, proudly presents the BJ-C Ball Cage Universal Joint Coupling. This innovative coupling is engineered to deliver 2 to 3 times the lifespan of traditional cross shaft couplings, significantly reducing downtime and maintenance costs. By utilizing a ball cage design, the BJ-C coupling ensures smoother operation, higher torque transmission, and superior misalignment compensation. Whether you are in automotive, agricultural, or industrial machinery, this coupling is the optimal choice for demanding applications.
Our ball cage universal joint coupling is built with precision and durability in mind. The unique ball cage structure minimizes friction and wear, extending service life far beyond conventional designs. With a wide range of sizes and configurations, the BJ-C series can be tailored to your specific shaft sizes and torque requirements. Below is a detailed breakdown of its key features and specifications.
Key Features & Benefits
Extended Lifespan: The ball cage design reduces point contact stress, offering 2–3 times longer operational life compared to traditional cross shaft couplings.
High Misalignment Capability: Accommodates angular misalignment up to 25°, axial movement, and radial offset, ensuring flexible installation.
Smooth Torque Transmission: The rolling elements provide constant velocity (CV) characteristics, minimizing vibration and noise.
Compact & Lightweight: Optimized structure reduces weight without sacrificing strength, ideal for space-constrained applications.
Easy Maintenance: Sealed ball cage design prevents dirt ingress, requiring only periodic lubrication.
Customizable Options: Available in various materials (e.g., alloy steel, stainless steel), bore sizes, and coatings (e.g., black oxide, zinc plating).
High Torque Density: Delivers high torque in a compact footprint, suitable for heavy-duty industrial drives.
Technical Specifications (Typical Range)
| Parameter | Value |
|---|---|
| Model | BJ-C series |
| Max. Angular Misalignment | Up to 25° (customizable) |
| Torque Rating | 100 Nm – 50,000 Nm |
| Bore Diameter Range | 10 mm – 120 mm |
| Operating Temperature | -40°C to +120°C (higher on request) |
| Material | High-grade alloy steel / Stainless steel (optional) |
| Surface Treatment | Black oxide, phosphating, zinc plating, or as specified |
| Weight | 0.5 kg – 50 kg (depending on size) |
The BJ-C ball cage coupling outperforms traditional cross shaft couplings in several critical areas. Its constant velocity design ensures that the output shaft rotates at the same speed as the input shaft, even under high angles, which is essential for precision applications like robotics and CNC machinery. The ball cage reduces friction dramatically, leading to lower energy losses and cooler operation.
For customers who require custom dimensions, special materials, or unique bore/keyway configurations, we offer full customization. Our engineering team can work with you to design a coupling that meets your exact performance parameters. Lead times are typically 15–30 days depending on complexity.
Trusted by Global Industries
As a Hebei Speed Torque Transmission Technology Co., Ltd., we bring over 7 years of manufacturing experience to every coupling. Our factory spans 3,000–5,000 square meters and employs 101–200 skilled workers, ensuring consistent quality and on-time delivery. We hold ISO9001:2015 certification, reflecting our commitment to rigorous quality control. With an annual export value of US$5 Million – US$10 Million, we serve markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. Our products are shipped from major Chinese ports: Shanghai, Tianjin, and Qingdao.
Join hundreds of satisfied customers who have upgraded their machinery with the BJ-C ball cage universal joint coupling. Experience lower maintenance costs, reduced downtime, and improved efficiency. Contact us today for a quotation or technical consultation. Our team is ready to support you with fast responses and customized solutions.
Frequently Asked Questions (FAQ)
Q: How does the BJ-C coupling achieve 2-3 times longer lifespan compared to cross shaft couplings?
A: The ball cage design uses rolling elements (balls) instead of sliding cross pins, which eliminates point contact and reduces wear. This results in significantly less friction and heat generation, extending operational life by 2-3 times.Q: Can the BJ-C coupling handle high misalignment angles?
A: Yes, it can accommodate angular misalignment up to 25°, as well as axial and radial offsets, making it suitable for applications where shaft alignment is not perfect.Q: What materials are available for the BJ-C coupling?
A: Standard material is high-grade alloy steel. For corrosive environments, stainless steel versions are available upon request. Surface treatments such as black oxide, zinc plating, or phosphating can be applied.Q: Is the BJ-C coupling maintenance-free?
A: The sealed ball cage design reduces maintenance needs, but periodic lubrication (e.g., grease every 6-12 months depending on usage) is recommended to ensure optimal performance and longevity.Q: What torque ranges are available?
A: The BJ-C series covers torque ratings from 100 Nm up to 50,000 Nm. For higher torque requirements, custom designs can be discussed.Q: Can I get custom bore sizes or keyway configurations?
A: Absolutely. We offer full customization of bore diameter, keyway, set screw positions, and overall length to match your existing shafts. Please provide your specifications.Q: What is the typical lead time for standard and custom orders?
A: Standard sizes are usually shipped within 15-20 working days. Custom orders may take 20-30 working days depending on complexity. We can also expedite for urgent needs.Q: Does the coupling come with a warranty?
A: Yes, all our products are covered by a standard 12-month warranty against manufacturing defects. Extended warranty options are available upon request.
For any further questions or to place an order, please contact our sales team. We are committed to providing you with the best coupling solution for your application.
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