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We, Hebei Speed Torque Transmission Technology Co., Ltd., established in 2017 with a modern factory spanning 3,000–5,000 square meters and a dedicated team of 101–200 employees, specialize in manufacturing reliable transmission solutions. Our Maintenance-Free Universal Shaft Coupling Needle Roller Bearing Assembly (5000Nm) is engineered to deliver consistent power transmission in demanding industrial applications. This product combines space-saving design, misalignment compensation, and zero-maintenance operation to maximize equipment uptime and reduce total cost of ownership.
Built with precision needle roller bearings and high-strength alloy steel, this coupling assembly offers exceptional torque capacity while maintaining a compact footprint. Its universal design accommodates angular, parallel, and axial shaft misalignments, making it suitable for a wide range of machinery including conveyors, pumps, gearboxes, and industrial drives.
Key Features & Technical Specifications
- Maintenance-Free Design: Pre-lubricated and sealed needle roller bearings eliminate the need for regular greasing, reducing maintenance labor and downtime.
- High Torque Capacity: Rated for 5000 Nm continuous torque, suitable for medium to heavy-duty applications.
- Universal Shaft Coupling: Accommodates angular misalignment up to ±2°, parallel misalignment up to ±0.3 mm, and axial movement up to ±1 mm.
- Needle Roller Bearings: Provide high radial load capacity and compact cross-section for space-constrained installations.
- Pre-Assembled Assembly: Delivered ready for installation, saving assembly time and ensuring consistent quality.
- Durable Material: Constructed from case-hardened alloy steel for wear resistance and long service life.
- Corrosion Protection: Optional surface treatments (zinc plating, black oxide) available for harsh environments.
| Parameter | Value |
| Torque Capacity | 5000 Nm |
| Maximum Rotation Speed | 3000 rpm (dependent on size and application) |
| Shaft Diameter Range | 25 mm – 80 mm (customization available) |
| Temperature Range | -20°C to +120°C |
| Bearing Type | Needle Roller Bearing |
| Material | Alloy Steel (20CrMnTi or equivalent) |
| Lubrication | Sealed, lifetime grease lubricated |
Customer Benefits
- Reduced Maintenance Costs: The maintenance-free design eliminates periodic lubrication, saving labor and consumable costs over the equipment lifecycle.
- Improved Uptime: Reliable performance under misalignment reduces unexpected breakdowns and production interruptions.
- Easy Installation: Pre-assembled unit reduces installation time and ensures correct bearing preload, preventing premature failure.
- Compact & Lightweight: Needle roller bearings allow for a shorter overall length compared to traditional ball bearing couplings, ideal for tight spaces.
- Versatility: Suitable for both horizontal and vertical mounting, and compatible with various shaft keyways and tolerances.
Trust & Reliability
Backed by our ISO9001:2015 certified quality management system, every coupling assembly undergoes rigorous dimensional and performance testing before shipment. Our factory in Cangzhou, Hebei, operates with an annual export value of US$5–10 million, supplying clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and beyond. With convenient access to the ports of Shanghai, Tianjin, and Qingdao, we ensure timely delivery to global customers.
Our experienced engineering team (101–200 employees) is committed to continuous improvement and customer satisfaction. Whether you need a standard product or a customized solution tailored to your specific shaft sizes and misalignment conditions, we have the capability to meet your requirements. Contact us today to discuss your application and benefit from our factory-direct pricing, technical support, and reliable after-sales service.
Frequently Asked Questions
-
Q: What does “maintenance-free” mean for this coupling?
A: The needle roller bearings are pre-packed with high-quality grease and sealed for life. No additional lubrication is required during normal operating conditions, reducing maintenance tasks and risk of contamination. -
Q: Can this coupling handle 5000 Nm continuous torque? What about peak torque?
A: Yes, the rated continuous torque is 5000 Nm. It can withstand peak torques up to 1.5 times the rated value for brief periods (e.g., during startup). Please consult our engineers for specific duty cycles. -
Q: What shaft sizes does it accommodate?
A: Standard bore diameters range from 25 mm to 80 mm. Custom bores, keyways, and tolerances are available upon request to match your shafts precisely. -
Q: Is it suitable for high-speed applications?
A: The maximum rotational speed is approximately 3000 rpm, depending on the final bore size and balance requirements. For speeds above 3000 rpm, please contact us for a tailored solution. -
Q: How does it compensate for misalignment?
A: The universal shaft coupling design allows angular misalignment up to ±2°, parallel offset up to ±0.3 mm, and axial movement up to ±1 mm. This flexibility reduces stress on connected equipment. -
Q: What materials and coatings are available?
A: The standard material is case-hardened alloy steel. Options include zinc plating, black oxide, or nickel plating for corrosion resistance in humid or chemical environments. -
Q: Do you provide technical drawings or 3D models?
A: Yes, we offer dimensional drawings and 3D CAD models upon request to facilitate integration into your design. -
Q: What is the typical lead time and shipping method?
A: Lead time depends on order quantity and customization. Standard products are typically dispatched within 15-30 working days. We ship via sea from Shanghai, Tianjin, or Qingdao ports, or air freight for urgent orders.
Choose our Maintenance-Free Universal Shaft Coupling Needle Roller Bearing Assembly 5000Nm for a reliable, cost-effective power transmission solution. Contact us now for a quotation or technical consultation.
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