Product Specifications
| Parameter | Details |
|---|
| Model NO. | NNU4960B/SPW33 |
| Type | Roller |
| Selling Units | Single Item |
| Single Gross Weight | 0.250 Kg |
| Inner Diameter | 300 mm |
| Number of Row | Double Row |
| Structure | Cylindrical |
| Seals Type | Open |
| Trademark | SKF |
| Origin | China |
Application Industries
| Industry | Typical Equipment |
|---|
| Mining & Construction | Crushers, Conveyors, Excavator Gearboxes |
| Steel & Metallurgy | Rolling Mills, Continuous Casters |
| Heavy Machinery | Industrial Presses, Forging Equipment |
| Manufacturing | Large Gearboxes, Machine Tool Spindles |
Stop Equipment Downtime with Genuine SKF NNU4960B/SPW33 Cylindrical Roller Bearing
Heavy machinery operators know the cost of unexpected downtime—when critical bearings fail, production halts, maintenance teams scramble, and deadlines slip. Many face the challenge of sourcing authentic double row cylindrical roller bearings that meet SKF's rigorous standards, especially for large-diameter applications like 300mm bores. Delays from multiple suppliers or questionable quality only compound the problem.
Genuine SKF NNU4960B/SPW33 Bearings, Available for Immediate Shipment
As an official SKF solution provider, we eliminate these frustrations by offering the SKF NNU4960B/SPW33 cylindrical roller bearing directly from authorized stock. This double row cylindrical bearing is engineered for heavy machinery where radial load capacity and precision matter—think mining crushers, steel rolling mills, and industrial gearboxes. Our one-stop procurement process means you avoid the hassle of coordinating with multiple vendors, getting the exact part you need without unnecessary delays.
Engineered for Heavy-Duty Performance
The NNU4960B/SPW33 is designed to excel in high-load, continuous-operation environments. Its double row structure provides superior radial load handling, making it ideal for machinery subject to constant stress and vibration. Open seal design allows for optimal lubrication circulation, critical in applications where heat buildup can shorten bearing life. Whether your equipment operates in dusty construction sites or high-temperature steel plants, this SKF roller bearing delivers reliable performance under harsh conditions.
Technical Features That Maximize Machinery Uptime
Key design elements set this bearing apart for heavy machinery applications. The 300mm inner diameter accommodates large shafts common in industrial equipment, while the double row configuration distributes radial loads evenly across contact surfaces—extending service life by reducing stress concentration. As an SKF precision bearing, it maintains tight tolerances to minimize vibration and noise, which is essential for maintaining equipment alignment and reducing wear on adjacent components. The open design allows for easy inspection and re-lubrication, a critical advantage for maintenance teams working to extend service intervals.
Why Authenticity Matters for Total Cost of Ownership
Choosing genuine SKF bearings over counterfeits avoids hidden costs that quickly erase initial savings. Counterfeit cylindrical roller bearings often fail prematurely due to substandard materials and poor manufacturing, leading to unplanned downtime, emergency repairs, and potential damage to expensive machinery. In contrast, the SKF NNU4960B/SPW33 undergoes rigorous testing to meet global standards, ensuring predictable performance and longer service life. For heavy machinery operators, the reliability of authentic SKF bearings translates to lower total ownership costs and higher production efficiency.
Your Trusted Partner for Industrial Bearings
With official full-category SKF authorization, we provide complete traceability for every bearing—so you can verify authenticity and quality with confidence. Our quality control process includes pre-shipment inspection, ensuring each NNU4960B/SPW33 meets SKF's global standards before it leaves our warehouse. Serving over 900 clients across 50+ countries, we’ve built a reputation for fast emergency maintenance delivery, with dedicated technical support to help with选型 and application questions. Our one-stop procurement model simplifies ordering, even when you need multiple bearing types or related maintenance products.
Packaging & Shipping
- Original SKF packaging with product identification and batch traceability
- Reinforced outer packaging to prevent damage during transit
- Expedited shipping options available for emergency maintenance needs
- Comprehensive logistics tracking provided from warehouse to delivery
- Minimum order quantity: 1 unit, ideal for both scheduled maintenance and urgent repairs
Get Your SKF NNU4960B/SPW33 Bearing Today
Don’t let equipment downtime impact your production schedule. Whether you need a single SKF NNU4960B/SPW33 bearing for emergency repair or multiple units for planned maintenance, we have you covered. Send us your requirements, and our team will confirm availability and provide a quote within one working day—so you can get back to keeping your heavy machinery operational.
Frequently Asked Questions
Q: Is this bearing a genuine SKF product?
A: Yes, we are an official SKF authorized solution provider. Every SKF NNU4960B/SPW33 bearing comes with complete traceability documentation to verify authenticity.
Q: How can I confirm this bearing fits my equipment?
A: Provide your equipment model or specific application requirements, and our technical team will verify compatibility with the NNU4960B/SPW33 specifications.
Q: What is the warranty policy for this bearing?
A: All SKF bearings are covered by the manufacturer's warranty against manufacturing defects, with our full support for claims processing.
Q: What is the minimum order quantity?
A: We accept orders for 1 unit, making it easy to source replacement bearings for emergency repairs.
Q: How quickly can you ship the NNU4960B/SPW33 bearing?
A: In-stock bearings are shipped within 3-7 working days, with expedited options available for urgent needs.
Q: How do I verify the bearing's authenticity upon receipt?
A: Check for the SKF trademark on the bearing and packaging, and use the provided batch information to confirm traceability through official channels.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.