NNU4956B/SPW33 Double Row Cylindrical Roller Bearing for Precision Industrial Machinery with 280mm Inner Diameter
<p>Ensure precision and reliability in your industrial machinery with the NNU4956B/SPW33 SKF bearing, a double row cylindrical roller solution engineered for high-performance applications. Its 280mm inner diameter and open seal design deliver exceptional load capacity and heat dissipation, making it ideal for critical operations where consistent performance is non-negotiable.</p><ul><li>Directly sourced from SKF official channels, guaranteeing 100% authenticity and complete traceability for peace of mind</li><li>Double row structure provides superior radial rigidity, reducing vibration and extending machinery lifespan in precision industrial settings</li></ul>
- 100% genuine -- COC & factory certificates available
- In-stock · bulk & small-batch orders accepted
- ISO · DIN · ABMA · JIS compliant
- Full customs clearance documentation provided
Product Details
Full Specifications & Description
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | NNU4956B/SPW33 |
| Bearing Type | Cylindrical Roller Bearing |
| Number of Row | Double Row |
| Inner Diameter | 280 mm |
| Seals Type | Open |
| Structure | Cylindrical |
| Trademark | SKF |
| Origin | China |
| Selling Units | Single Item |
| Gross Weight Per | 0.250 kg Batch |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Precision Industrial Machinery | High-speed rotating equipment, heavy-duty gearboxes, precision machine tools |
| Steel Mills | Rolling mill stands, continuous casting machinery |
| Wind Power Generation | Main shaft systems, gearbox components |
Need a Reliable NNU4956B/SPW33 SKF Cylindrical Roller Bearing? Here's What Matters
Industrial machinery operators often face downtime from bearing failures caused by misalignment or poor material quality. Sourcing authentic double row cylindrical roller bearings with precise 280mm inner diameter can be challenging when dealing with multiple suppliers or questionable product origins.
Built for Precision and Long-Term Performance
The NNU4956B/SPW33 bearing addresses these challenges with its double row cylindrical design, ideal for precision industrial machinery requiring high radial load capacity. As a specialized supplier with direct access to global distribution channels, we ensure each bearing meets original specifications, supporting same-day shipping for spot inventory to minimize equipment downtime.
Where This SKF Double Row Cylindrical Roller Bearing Performs Best
This bearing excels in applications with moderate to high radial loads and limited axial movement, such as steel mill rolling equipment and wind turbine gearboxes. Its open design allows for easy lubrication maintenance, while the 280mm inner diameter provides a precise fit for large rotating shafts operating at moderate speeds.
Key Engineering Features for Optimal Performance
The double row configuration distributes loads evenly across contact surfaces, reducing stress concentrations and extending service life compared to single row alternatives. The cylindrical roller design ensures minimal friction under radial loads, critical for maintaining efficiency in precision machinery. Manufactured to SKF dimensional standards, this bearing offers interchangeable installation with compatible components, simplifying replacement and reducing inventory costs.
Why Choosing the Right 280mm Precision Roller Bearing Impacts Total Cost
Selecting a quality bearing like the NNU4956B/SPW33 reduces long-term operational costs by minimizing unplanned maintenance. Inferior bearings often fail prematurely due to material inconsistencies, leading to production halts and costly repairs. Properly sized precision bearings—like this 280mm inner diameter model—maintain alignment under load, preventing excessive vibration and extending the life of adjacent machinery components.
Quality You Can Rely On
Our bearings undergo strict quality control processes, including dimensional verification and material testing, to ensure compliance with industrial standards. We provide complete traceability documentation, including batch inspection reports, for every unit. With a global delivery network, we offer stable door-to-door shipping within 7-15 days to most regions, supported by professional technical guidance for installation and maintenance.
Packaging & Shipping
- Package Size: 45.00cm × 45.00cm × 45.00cm
- Package Gross Weight: 0.300kg per unit
- Shipping Options: Express, air, and sea freight available
- Minimum Order: Available for single item purchase
Request a Quote for NNU4956B/SPW33 Bearing
Provide your required quantity and delivery location to receive a competitive quote for the NNU4956B/SPW33 SKF cylindrical roller bearing. Our team can also assist with cross-referencing similar models or sourcing other bearing types to meet your specific machinery requirements.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides SKF?
A: Yes, we provide a full range of bearings from international brands including NSK, NTN, Koyo, NACHI, IKO, FAG, Timken, and domestic Chinese manufacturers, based on customer specifications.
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 NNU4956B/SPW33 specification.
Q: What is your warranty policy for bearings?
A: All bearings come with a manufacturer's warranty covering manufacturing defects. Specific warranty terms are provided with each order and can be included in formal purchase agreements.
Q: What is the minimum order quantity for this bearing?
A: We accept single item orders for the NNU4956B/SPW33 bearing, with volume pricing available for larger quantities.
Q: How quickly can you ship this bearing?
A: In-stock bearings are shipped the same business day for orders placed before 12:00 GMT+8. Delivery times vary by destination, typically 7-15 days for international shipments.
Q: Do you offer custom bearing solutions?
A: Yes, we support OEM/ODM customization for special bearing requirements, including non-standard dimensions, materials, and packaging, based on 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.
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NNU4956B/SPW33 Double Row Cylindrical Roller Bearing for Precision Industrial Machinery with 280mm Inner Diameter
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