Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | NNU4960B/SPW33 |
| Bearing Type | Roller |
| Inner Diameter (d) | 300 mm |
| Number of Rows | Double Row |
| Structure | Cylindrical |
| Seals Type | Open |
| Trademark | SKF |
| Origin | China |
| Single Gross Weight | 0.250 kg |
| Package Size | 50.00cm × 50.00cm × 50.00cm |
| Package Gross Weight | 0.300 kg |
| Selling Units | Single Item |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Heavy Machinery | Industrial gearboxes, large-scale rotating equipment, heavy-duty mechanical transmissions |
Need a High-Performance SKF NNU4960B/SPW33 Roller Bearing for Heavy Machinery? Here’s What You Should Know
Selecting the right roller bearing for heavy machinery applications often means navigating challenges like ensuring dimensional accuracy, verifying performance under load, and finding a reliable supplier who can deliver when you need it. Many procurement teams face delays from suppliers with limited inventory, or receive bearings that fail prematurely due to substandard materials—costing valuable production time and maintenance resources.
Engineered for Heavy-Duty Performance
The SKF NNU4960B/SPW33 roller bearing addresses these challenges with its robust double-row cylindrical design, specifically suited for high radial load applications in heavy machinery. As a supplier with extensive experience across industrial bearing types—including deep groove, spherical, and cylindrical roller bearings—we maintain a comprehensive inventory that supports quick turnaround on even specialized models like this SKF bearing. Whether your equipment operates in mining, steel production, or large-scale manufacturing, this bearing’s precision construction helps minimize downtime.
Optimal Performance in Demanding Conditions
This SKF NNU4960B/SPW33 bearing thrives in harsh working environments where heavy radial loads and high rotational speeds are common. Its open seal design allows for flexible lubrication management, making it ideal for applications where regular maintenance access is available. The double-row structure provides enhanced rigidity, ensuring stable performance in machinery such as industrial gearboxes and large rotating shafts where misalignment must be controlled to prevent premature wear.
Key Engineering Features That Deliver Reliability
The NNU4960B/SPW33’s cylindrical roller design offers several critical advantages for heavy machinery. With an inner diameter of 300 mm, it accommodates large shaft sizes common in industrial equipment, while the double-row configuration distributes load evenly across the bearing surface—extending service life under continuous operation. The precision manufacturing ensures tight dimensional tolerances, which is essential for interchangeability with existing SKF bearing installations, reducing the risk of fitment issues during replacement.
Why Choosing the Right Bearing Lowers Total Costs
Investing in a high-performance roller bearing like the SKF NNU4960B/SPW33 directly impacts your bottom line by reducing long-term maintenance costs. Inferior bearings often fail early due to inadequate material hardness or imprecise manufacturing, leading to unplanned downtime, repair expenses, and potential damage to adjacent components. This SKF bearing, built to rigorous standards, minimizes these risks by delivering consistent performance, lowering the total cost of ownership compared to cheaper alternatives that require frequent replacement.
Quality You Can Trust in Every Shipment
Our commitment to quality ensures that every bearing meets industry standards. We follow ISO 9001 certified inspection processes, with rigorous checks on dimensions, surface finish, and material integrity before shipment. All products come with a warranty against manufacturing defects, providing peace of mind for your critical applications. With our extensive network of global suppliers, we can source not only SKF bearings but also other major brands, offering a one-stop solution for your bearing procurement needs.
Packaging & Shipping
- Standard industrial packaging: 50.00cm × 50.00cm × 50.00cm cartons, ensuring protection during transit
- Stock availability for urgent orders, with processing within 48 hours for in-stock items
- Flexible shipping options including express courier, air freight, and sea freight to meet your delivery timeline
- Low minimum order quantity, supporting both small-scale maintenance and large-volume production requirements
Get a Quote for Your SKF NNU4960B/SPW33 Bearing Requirement
Whether you need a single unit for maintenance or bulk quantities for production, we can provide competitive pricing and reliable delivery. Share your exact requirements—including quantity, delivery location, and any special packaging needs—and our team will respond promptly with a tailored quote.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides SKF?
A: Yes, we offer a full range of international brands including NSK, NTN, Koyo, NACHI, IKO, FAG, Timken, and domestic Chinese brands. We can source specific models as per your requirements.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment model or existing bearing dimensions (inner diameter, outer diameter, width), and our technical team will verify compatibility with the NNU4960B/SPW33 specifications.
Q: What is your warranty policy for bearings?
A: We provide a warranty against manufacturing defects. The specific warranty period and terms will be detailed in your order confirmation, with replacement or refund options for verified quality issues.
Q: What is the minimum order quantity for this bearing?
A: We accept small orders, with no strict minimum quantity. This allows for both trial purchases and large-scale orders to meet your operational needs.
Q: How long does shipping take for the NNU4960B/SPW33 bearing?
A: In-stock items are shipped within 48 hours. Delivery time depends on your location—express courier typically takes 3-5 days, air freight 5-7 days, and sea freight 2-4 weeks.
Q: Do you offer custom bearing solutions (OEM/ODM)?
A: Yes, we support custom manufacturing based on technical drawings or specifications, including special materials, dimensions, and surface treatments.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
