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 |
| Industrial Machinery |
Machine Tools, Gearboxes, Reducers, Printing Machines |
| Manufacturing |
CNC Machines, Spindles, Conveyors |
| Heavy Industry |
Rolling Mills, Crushers, Presses |
Prevent Costly Downtime with Reliable NNU4956 B/Spw33 Double Row Cylindrical Roller Bearing
Industrial machinery operators know the frustration of unexpected bearing failure—unplanned downtime disrupts production schedules, increases maintenance costs, and erodes profitability. Sourcing genuine bearings with consistent quality and flexible order options remains a challenge for many buyers, especially when dealing with specialized components like the double row cylindrical roller bearing.
Genuine NNU4956 B/Spw33 Bearings for Industrial Machinery Stability
Our NNU4956 B/Spw33 double row cylindrical roller bearing addresses these pain points by offering authentic, high-performance components designed for industrial machinery. As a professional bearing supplier with decades of export experience, we ensure each unit meets strict quality standards, supported by flexible order policies including 1 piece MOQ for standard bearings and efficient 3-5 day delivery for sample orders. This bearing is ideal for applications requiring high radial load capacity and precise rotational performance, such as gearboxes and machine tool spindles.
Engineered for Heavy-Duty Industrial Applications
The NNU4956 B/Spw33 cylindrical roller bearing excels in demanding industrial environments where heavy radial loads and high rotational speeds are common. Its double row design provides enhanced load distribution, making it suitable for continuous operation in machinery like printing presses and reducers. The open seal configuration allows for easy maintenance and lubrication, ensuring optimal performance even in high-temperature conditions typical of manufacturing processes.
Technical Features That Ensure Long-Term Performance
This bearing’s technical specifications directly contribute to its reliability in industrial settings. With an inner diameter of 280 mm, it accommodates large shaft sizes commonly found in heavy machinery. The cylindrical roller structure minimizes friction, reducing heat generation during operation and extending service life. As part of our commitment to precision, all bearings undergo comprehensive dimensional detection and performance testing, aligning with ISO international standards to guarantee consistent quality.
Why Genuine Bearings Deliver Lower Total Cost of Ownership
Choosing genuine double row cylindrical roller bearings like the NNU4956 B/Spw33 avoids the hidden costs of counterfeit products. Inferior bearings often fail prematurely, leading to unplanned shutdowns, expensive repairs, and potential damage to associated equipment. Our products, certified under ISO 9001:2015 quality management system, provide reliable performance that reduces maintenance frequency and extends machinery uptime, ultimately lowering total operational costs.
Our Commitment to Quality and Customer Trust
With 18 years of industry experience, Jinan Saifan Bearing Co., Ltd has established a reputation for reliability in serving global clients across Europe, North America, and Southeast Asia. Our strict quality control processes include incoming raw material inspection and full-process production supervision, supported by an in-house laboratory for performance testing. We offer a 12-month warranty on all products, with free replacement or refund for qualified defective items. Our professional technical team provides free guidance on selection, installation, and maintenance, ensuring optimal bearing performance throughout its lifecycle.
Packaging & Shipping
- Package Size: 45.00cm * 45.00cm * 45.00cm
- Package Gross Weight: 0.300kg
- Efficient delivery: 3-5 working days for sample orders, 5-15 working days for bulk orders
- Multiple logistics options available to meet global shipping requirements
- 1 piece MOQ for standard bearings, supporting both emergency repairs and bulk purchases
Secure Your NNU4956 B/Spw33 Bearing Today
Don’t let bearing issues slow down your production. Contact us with your specific requirements, including quantity and application details, to receive a prompt quote. Our team is ready to assist with technical specifications and ensure you get the right bearing for your industrial machinery needs, delivered on time to minimize downtime.
Frequently Asked Questions
Q: Is this NNU4956 B/Spw33 bearing a genuine original product?
A: Yes, we supply genuine original brand bearings, including SKF, and provide complete traceability to ensure authenticity.
Q: How can I confirm if this bearing fits my industrial machinery?
A: Our professional technical team can assist with选型 based on your equipment model, operating conditions, and required specifications. Please provide relevant details for accurate matching.
Q: What is the warranty policy for this bearing?
A: We offer an official 12-month warranty from the date customers receive goods, covering manufacturing defects with free replacement or refund options.
Q: What is the minimum order quantity for this bearing?
A: The minimum order quantity for standard bearings is 1 piece, supporting both small-scale repairs and large bulk orders.
Q: How long does it take to ship the NNU4956 B/Spw33 bearing?
A: Sample orders are typically delivered within 3-5 working days, while bulk orders take 5-15 working days, depending on quantity and logistics arrangements.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Genuine bearings come with original packaging and branding. We can provide documentation to support traceability, and our technical team can assist with verification checks if needed.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.