Cylindrical Roller Bearing
Class
P4 / P2
Origin
DE / SE
Standard
DIN 620
Lead
3-7 Days
Cylindrical Roller Bearing
In Stock
High-Performance SKF NNU4960B/SPW33 Cylindrical Roller Bearing for Heavy Machinery Precision Applications
ISO 9001 · DIN Certified
<p>Ensure peak performance in heavy machinery precision applications with the <strong>SKF NNU4960B/SPW33</strong> cylindrical roller bearing, engineered to deliver stable long-term precision even under extreme loads. As an official SKF distributor, we streamline your procurement process—no more juggling multiple suppliers or inconsistent quality standards, just reliable high-end performance backed by full certification documents.</p><ul><li>Double-row cylindrical structure with open design for optimal radial load handling and heat dissipation, critical for continuous industrial machinery operation</li><li>Precision-tested to ISO 9001 & DIN standards, ensuring direct compatibility with your existing SKF systems and reducing maintenance downtime</li><li>300mm inner diameter provides robust shaft support, making it ideal for CNC machine tools, wind power equipment, and other high-precision heavy machinery</li></ul>
Technical Specifications
- Type
- Cylindrical Roller Bearing
- Precision Class
- P4 / P2
- Certification
- ISO 9001
- Radial Runout
- ≤ 1.5 μm
- Delivery
- 3-7 Business Days
Related Keywords
Reply within 12 hours
NDA available
Full certification docs
Precision packaging
Product Description
Technical Details & Application
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 |
|---|---|
| Machine Tools | CNC Lathes, Machining Centers, Grinding Machines |
| Wind Power | Main Shafts, Gearboxes, Generators |
| Heavy Machinery | Rolling Mills, Presses, Conveyors |
| Industrial Automation | Robotic Arms, Precision Actuators |
Stop Production Downtime with Precision SKF NNU4960B/SPW33 Cylindrical Roller Bearings
When critical machinery components fail, every hour of downtime erodes productivity and profits. Many maintenance teams face the challenge of sourcing reliable bearings that meet exact specifications, especially for heavy machinery applications where precision directly impacts operational safety and equipment lifespan.
Genuine SKF Bearings with Proven Performance
The SKF NNU4960B/SPW33 cylindrical roller bearing addresses these challenges with its double-row design and open structure, optimized for heavy machinery precision applications. As an official SKF distributor with ISO 9001 and DIN compliant inspection systems, we ensure each bearing meets strict quality standards before delivery. Our stock includes P4/P2 grade precision bearings, allowing for quick fulfillment of urgent orders.
Engineered for Heavy-Duty Operations
This SKF cylindrical roller bearing excels in applications requiring high radial load capacity and precise axial alignment, such as machine tool spindles and wind turbine gearboxes. Its double-row configuration provides enhanced rigidity, making it suitable for continuous operation under heavy loads. The open seal design allows for easy lubrication maintenance, extending service intervals in industrial environments.
Technical Advantages for Critical Applications
The NNU4960B/SPW33’s 300 mm inner diameter supports large shaft sizes common in heavy machinery, while its robust construction ensures stability under dynamic loads. Cylindrical roller bearings are designed to accommodate misalignment through controlled axial movement, reducing stress on connected components. The precision manufacturing ensures consistent performance, critical for maintaining tight tolerances in CNC machining and automation systems.
Why Authenticity Matters for Your Bottom Line
Non-genuine bearings often fail prematurely, leading to unexpected shutdowns, increased maintenance costs, and potential safety hazards. Authentic SKF bearings are engineered to exact specifications, providing predictable performance and longer service life. Our comprehensive quality control includes pre-shipment inspection, ensuring you receive bearings that meet original equipment standards—ultimately reducing total cost of ownership through fewer replacements and less downtime.
Your Trusted Partner for Precision Bearings
With official authorization for SKF and FAG products, we provide complete certification documents for every bearing, ensuring full traceability. Our team of senior application engineers offers technical support for选型 and installation, helping you avoid costly mistakes. We serve over 800 clients across 45+ countries, with premium shockproof logistics to ensure bearings arrive in optimal condition. For maintenance teams, our one-stop procurement process reduces supplier management costs by consolidating orders across multiple brands.
Packaging & Shipping
- Original SKF packaging with product identification and batch information
- Reinforced outer packaging to prevent damage during transit
- Package Size: 50.00cm * 50.00cm * 50.00cm
- Package Gross Weight: 0.300kg
- Flexible shipping options including DHL, FedEx, and industrial freight carriers
- 1 piece minimum order quantity, ideal for emergency repairs
Get Your Precision Bearing Today
Don’t let equipment downtime affect your production schedule. Contact us with your SKF NNU4960B/SPW33 bearing requirements, including quantity and application details, and our team will provide a quotation within one working day. With sufficient stock available, we can expedite delivery for urgent maintenance needs.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every bearing comes with complete certification documents and can be traced through SKF’s supply chain.
Q: How can I confirm this bearing fits my equipment?
A: Provide your equipment model or technical specifications, and our senior application engineers will verify compatibility at no cost.
Q: What is the warranty policy?
A: All SKF bearings are covered by the manufacturer’s warranty against manufacturing defects. We handle all warranty claims directly with SKF.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, supporting both emergency repairs and small-batch procurement.
Q: How long does shipping take?
A: In-stock items are shipped within 3-7 working days. We offer express shipping options for urgent requirements.
Q: How do I verify the bearing’s authenticity?
A: Each SKF bearing has unique markings and packaging features. We provide verification guidance and official documentation with every order.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
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Inquiry
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Submit your inquiry for High-Performance SKF NNU4960B/SPW33 Cylindrical Roller Bearing for Heavy Machinery Precision Applications and our senior application engineers will respond within 12 hours with pricing, availability, and technical documentation.
Authorized European Stock
Genuine FAG & SKF, traceable certificates
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ISO 9001, DIN 620, material certs available