Product Specifications
| Parameter | Details |
|---|
| Model NO. | NNU4956B/SPW33 |
| Type | Roller |
| Number of Row | Double Row |
| Inner Diameter | 280 mm |
| Selling Units | Single Item |
| Structure | Cylindrical |
| Seals Type | Open |
| Gross Weight Per | 0.250 kg Batch |
| Trademark | SKF |
| Origin | China |
Application Industries
| Industry | Typical Equipment |
|---|
| Manufacturing | Industrial Machinery, Gearboxes, Electric Motors |
| Heavy Industry | Material Handling Systems, Conveyors |
| Power Generation | Generators, Compressors |
Stop Production Downtime with NNU 4956 B/Spw33 Double Row Cylindrical Roller Bearing
Industrial maintenance teams know the cost of unexpected downtime—especially when critical machinery grinds to a halt due to bearing failure. Sourcing genuine replacement parts quickly often means navigating multiple suppliers, inconsistent lead times, and the risk of counterfeit components that fail prematurely. For OEMs and maintenance departments relying on precision equipment, these challenges can derail project timelines and inflate operational costs.
Genuine SKF Bearings for Reliable Performance
As an official SKF solution provider, we deliver the NNU 4956 B/Spw33 double row cylindrical roller bearing—engineered to meet SKF’s global quality standards for industrial machinery applications. This bearing, with its 280mm inner diameter and robust cylindrical design, is ideal for high-load, high-speed operations in gearboxes, electric motors, and material handling systems. Our one-stop procurement process eliminates the hassle of coordinating with multiple vendors, ensuring you get the right part when you need it.
Engineered for Demanding Industrial Environments
The NNU 4956 B/Spw33 SKF cylindrical roller bearing excels in harsh operating conditions, supporting heavy radial loads and accommodating axial displacement. Its double row structure provides enhanced rigidity and load-carrying capacity, making it suitable for industrial machinery subjected to continuous operation and variable stress. Whether in manufacturing plants, power generation facilities, or heavy industry, this bearing delivers consistent performance where reliability matters most.
Technical Features That Drive Performance
The NNU 4956 B/Spw33’s design prioritizes durability and efficiency. Its open seal type allows for optimal lubrication flow, critical for maintaining performance in high-speed applications. The double row configuration distributes loads evenly across the bearing, reducing wear and extending service life. As a genuine SKF product, it adheres to strict dimensional tolerances, ensuring precise fit and alignment in OEM equipment. These technical attributes translate to reduced maintenance frequency and lower long-term operational costs for industrial machinery.
The Hidden Risks of Non-Genuine Bearings
Choosing counterfeit or low-quality bearings may seem cost-effective initially, but the consequences are severe. Substandard materials and poor manufacturing lead to early failure, causing unplanned downtime, expensive repairs, and potential damage to connected equipment. In contrast, genuine SKF bearings like the NNU 4956 B/Spw33 undergo rigorous testing to meet global standards, minimizing the risk of premature failure and ensuring compliance with safety regulations. Investing in authentic parts reduces total cost of ownership by avoiding costly production interruptions and replacement cycles.
Why Global Buyers Choose Our Services
With over 900 clients across 50+ countries, we’ve built a reputation for reliability in industrial bearing supply. As an officially authorized SKF solution provider, every NNU 4956 B/Spw33 bearing comes with full traceability and quality documentation. Our engineering team specializes in sealing and lubrication systems, offering expert support for选型 and application challenges. With fast emergency maintenance delivery and one-stop procurement, we simplify supplier management, reduce lead times, and ensure consistent quality across your supply chain.
Packaging & Shipping
- Original SKF packaging with product identification and batch traceability
- Emergency delivery available for critical maintenance needs
- Global logistics options including DHL, FedEx, and UPS for timely shipping
- Real-time tracking provided for all orders
- Minimum order quantity of 1 unit, supporting both small-scale repairs and large OEM projects
Secure Your Bearing Supply Today
Don’t let equipment downtime impact your bottom line. Whether you need a single NNU 4956 B/Spw33 bearing for emergency repair or bulk quantities for OEM production, our team ensures fast, reliable delivery. Submit your requirements now to receive a quote within one working day and get your machinery back to peak performance.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized solution provider. Every bearing is sourced directly from SKF and comes with complete traceability documentation.
Q: How can I confirm this bearing fits my equipment?
A: Provide your equipment model or specific application parameters, and our technical team will verify compatibility at no cost.
Q: What is the warranty policy?
A: All SKF bearings are covered by the manufacturer’s warranty. We handle replacement for any manufacturing defects promptly.
Q: What is the minimum order quantity?
A: We accept orders for 1 unit, ideal for emergency maintenance situations.
Q: How long does shipping take?
A: In-stock bearings are shipped within 3-7 business days via your preferred logistics provider (DHL, FedEx, UPS, air, or sea freight).
Q: How can I verify the bearing’s authenticity?
A: Each bearing includes SKF’s original packaging with security features. We also provide certification documents and support verification through SKF’s official channels.
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