Description
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 | 0.250kg Batch |
| Trademark | SKF |
| Origin | China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Precision Machinery | High-precision rotating equipment, machine tool spindles, industrial automation systems |
Need a Reliable NNU4956B/SPW33 Double Row Cylindrical Roller Bearing? Here’s What Matters
When sourcing bearings for precision machinery, engineers often face challenges like mismatched dimensions causing installation delays, or substandard components leading to unexpected downtime. Finding a supplier that can consistently deliver authentic, high-precision bearings with the right specifications is critical for maintaining production efficiency.
Designed for Precision Machinery Performance
The NNU4956B/SPW33 double row cylindrical roller bearing addresses these challenges with its precise engineering and compatibility with SKF standards. As a supplier with access to a comprehensive range of bearing types, including cylindrical roller bearings, we ensure that this 280mm ID bearing meets the dimensional requirements of precision machinery applications. Our ISO 9001 certified quality control processes verify key parameters like inner diameter tolerance and structural integrity, supporting reliable performance in critical equipment.
Optimal Conditions for This Bearing
This double row cylindrical roller bearing excels in applications requiring high radial load capacity and precise axial alignment. With an open seal design, it performs best in controlled environments where lubrication can be regularly maintained, such as in machine tool spindles or precision gearboxes. The 280mm inner diameter makes it suitable for large shaft applications in industrial machinery, where maintaining dimensional accuracy under load is essential for operational stability.
Key Engineering Features Explained
The double row configuration of the NNU4956B/SPW33 bearing provides increased radial load handling capability compared to single row designs, making it ideal for heavy-duty precision machinery. Its cylindrical structure ensures consistent load distribution across the rollers, reducing stress concentrations and extending service life. The open seal type allows for easy lubrication maintenance, which is crucial for preventing premature wear in high-speed rotating applications. Additionally, the bearing’s adherence to SKF dimensional standards ensures interchangeability with existing components, simplifying replacement and reducing inventory complexity.
Why Proper Bearing Selection Lowers Total Costs
Choosing the correct bearing, such as this SKF cylindrical roller bearing, directly impacts total operational costs. A precision-machined 280mm ID bearing minimizes vibration and noise, reducing wear on adjacent components and lowering maintenance requirements. In contrast, using undersized or low-quality bearings can lead to frequent replacements, unplanned downtime, and increased energy consumption. By following industry standards for bearing selection and relying on verified specifications, businesses can optimize equipment reliability and extend service intervals, ultimately reducing long-term costs.
Quality You Can Verify
Our commitment to quality is demonstrated through ISO 9001 certified production and inspection processes. Each NNU4956B/SPW33 bearing undergoes dimensional checks, including inner diameter verification, to ensure compliance with specifications. Raw materials and finished products are tested for hardness and surface integrity, providing assurance of consistent performance. We offer a warranty against manufacturing defects, with clear documentation to support product traceability. With access to a wide range of brands and models, we can source bearings according to specific customer requirements, ensuring compatibility with existing systems.
Packaging & Shipping
- Package Size: 45.00cm * 45.00cm * 45.00cm
- Package Gross Weight: 0.300kg
- Shipping Options: Flexible delivery via快递,空运, or海运
- Minimum Order: Low minimum order quantity supported, suitable for both small and large purchases
Get a Quote for the NNU4956B/SPW33 Bearing
To proceed with your order or request pricing, please provide the bearing model, required quantity, and delivery destination. Our team can also assist with verifying compatibility with your equipment based on dimensional specifications. Early confirmation allows us to prioritize your order and ensure timely delivery.
Frequently Asked Questions
Q: Do you support procurement of other bearing brands or models?
A: Yes, we provide sourcing services for a comprehensive range of bearing brands and models, and can supply according to customer-specified standards.
Q: How can I confirm if this bearing fits my equipment?
A: Please provide your equipment’s required bearing dimensions (inner diameter, outer diameter, width) or model number, and our technical team will assist with compatibility verification.
Q: What is your warranty policy?
A: We offer a warranty against manufacturing defects. Specific warranty terms are subject to agreement in the sales contract.
Q: What is the minimum order quantity?
A: We support low minimum order quantities, including small-batch trial orders.
Q: What are the shipping time and logistics options?
A: In-stock items are shipped promptly. We offer flexible logistics choices including express delivery, air freight, and sea freight based on your needs.
Q: Do you provide OEM/ODM customization services?
A: Yes, we support customization according to customer-provided drawings or specifications.
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.
