High-Precision Double-Row Cylindrical Roller Bearing SKF NNU4926BK/SPW33 for Wind Power Generation
<p>Ensure peak wind turbine performance with the <strong>SKF NNU4926BK/SPW33</strong>, a high-precision double-row cylindrical roller bearing engineered to deliver exceptional load capacity and minimal vibration in critical generator applications. Its double-row design maintains alignment under heavy radial loads, reducing downtime and extending equipment lifespan for your wind power operations.</p><ul><li>Open seal configuration allows optimal lubrication flow, ideal for high-speed rotational environments</li><li>130mm inner diameter precision-machined to SKF’s strict quality standards, ensuring seamless integration with turbine shafts</li><li>Directly sourced from SKF official channels—guaranteed authenticity with full batch traceability and factory warranty</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. | NNU4926BK/SPW33 |
| Type | Roller |
| Number of Row | Double Row |
| Inner Diameter | 130 mm |
| Selling Units | Single Item |
| Structure | Cylindrical |
| Seals Type | Open |
| Gross Weight Per | 0.250 Kg Batch |
| Trademark | SKF |
| Origin | China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Wind Power Generation | Nacelle gearboxes, main shafts, generator systems |
Need High-Precision SKF NNU4926BK/SPW33 Bearings for Wind Turbines? Here's What Counts
Wind turbine operators know the cost of bearing failure—unplanned downtime, expensive replacements, and lost energy production. When sourcing double row cylindrical roller bearings, common challenges include verifying authenticity, ensuring precision tolerances for gearbox compatibility, and finding reliable suppliers who can deliver critical parts quickly.
Engineered for Wind Power's Demanding Environments
The SKF NNU4926BK/SPW33 double row cylindrical roller bearing addresses these challenges with its high-precision design and robust construction. As a specialized supplier covering full ranges of SKF bearings and related products, we maintain large-scale dedicated inventory, supporting same-day shipping for spot goods to minimize your equipment downtime.
Optimal Performance in Wind Turbine Gearboxes
This bearing excels in wind power generation applications, particularly in gearbox systems where it handles radial loads and moderate axial loads at varying speeds. Operating in typical wind turbine conditions—wide temperature ranges, variable loads, and continuous operation—requires bearings with consistent quality and dimensional accuracy, which this model delivers through its open design and precise manufacturing.
Key Engineering Features for Reliability
The double row structure of the SKF NNU4926BK/SPW33 provides increased radial load capacity compared to single row designs, making it suitable for heavy-duty gearbox applications. With an inner diameter of 130 mm, it fits standard wind turbine gearbox shafts, ensuring compatibility with existing installations. The cylindrical roller design ensures efficient load distribution, reducing stress concentrations and extending service life. Open seals type allows for proper lubrication management, critical in maintaining performance in high-speed rotational environments.
Total Cost of Ownership: Why Quality Matters
Choosing a high-precision bearing like the SKF NNU4926BK/SPW33 reduces long-term costs by minimizing premature failures. Inferior bearings with poor dimensional control can lead to excessive vibration, noise, and early wear, requiring frequent replacements. In contrast, this bearing's adherence to SKF's global quality management system ensures consistent performance, lowering maintenance expenses and improving turbine availability. Proper bearing selection directly impacts operational efficiency and return on investment for wind power assets.
Quality You Can Trust in Every Bearing
We strictly implement ISO 9001 certified quality management systems, with all products sourced through official channels to ensure authenticity. Each bearing undergoes dimensional and hardness inspections to meet specified tolerances. We provide comprehensive documentation, including batch inspection reports, to support your quality control processes. Our professional technical team can assist with installation guidance and after-sales support, ensuring optimal bearing performance. With over 40 countries served, we have established a reputation for reliable supply and customer satisfaction.
Packaging & Shipping
- Package Size: 25.00cm × 25.00cm × 25.00cm
- Package Gross Weight: 0.300kg
- Fast global delivery network, with stable door-to-door arrival within 7-15 days to most countries and regions
- Low minimum order quantity, supporting both small and large volume purchases
Get a Quote for SKF NNU4926BK/SPW33 Bearings
Whether you need a single unit or bulk order, provide the bearing model, quantity, and delivery destination, and our team will promptly send pricing and availability. We specialize in one-stop procurement for industrial bearings, including hard-to-find models, so you can consolidate your sourcing and streamline your supply chain.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides SKF?
A: Yes, we cover a wide range of international brands including NSK, NTN, Koyo, NACHI, IKO, FAG, Timken, and domestic Chinese brands, and can source according to customer-specified brands or models.
Q: How can I confirm if this bearing fits my wind turbine gearbox?
A: Provide your equipment model or existing bearing dimensions (inner diameter, outer diameter, width), and our technical team will verify compatibility with the SKF NNU4926BK/SPW33 specifications.
Q: What is your warranty policy for bearings?
A: We provide a factory warranty covering manufacturing defects. Specific warranty terms are detailed in the sales contract, and defective products can be replaced or refunded within the warranty period.
Q: What is the minimum order quantity for this bearing?
A: We support low minimum order quantities, including single-item purchases, to meet both maintenance and production requirements.
Q: How quickly can you ship the SKF NNU4926BK/SPW33 bearing?
A: If the bearing is in stock, we can ship the same day. For out-of-stock items, lead time depends on the manufacturer's production schedule, and we will provide a clear timeline when quoting.
Q: Do you offer OEM or ODM services for bearings?
A: Yes, we can provide customized packaging, label printing, and technical documentation services according to customer requirements. For special bearing designs, we support manufacturing 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.
You May Also Need
Related Products
-
SKF
High Precision SKF NUP210EM Cylindrical Roller Bearing 50x90x20mm for Industrial Machinery
<p>Ensure smooth, high-precision operation in your industrial machinery with the <strong>SKF NUP210EM</strong> cylindrical roller bearing, engineered to deliver reliable performance and extended equipment lifespan. This 50x90x20mm precision component handles radial loads with exceptional stability, thanks to its separated inner ring design that simplifies installation and maintenance—perfect for minimizing downtime in critical applications like steel mills and power plants.</p><ul><li>Precision rating options (P0-P2) ensure compatibility with high-speed machinery, reducing vibration and wear for consistent output</li><li>100% genuine SKF construction from bearing steel, backed by full traceability and factory warranty for peace of mind</li><li>Open seal design allows flexible lubrication with oil, grease, or dry operation, adapting to your specific working conditions</li></ul>
View Details -
SKF
N 1019 Ktn9/Sp Cylindrical Roller Bearing for High-Precision Industrial Machinery Applications
<p>Ensure peak performance in your high-precision industrial machinery with the <strong>SKF N 1019 Ktn9/Sp</strong> cylindrical roller bearing, engineered to deliver exceptional rotational accuracy and load-bearing stability. This single-row, open-structure bearing maintains tight tolerance control (SP class) for consistent operation in critical applications, directly addressing the need for reliable, traceable components that minimize downtime.</p><ul><li>95mm inner diameter and optimized roller design ensure precise shaft alignment and reduced friction in high-speed machinery</li><li>100% genuine SKF construction with complete batch traceability, backed by official factory warranty for long-term peace of mind</li><li>Lightweight 0.250kg design with compact 10x10x10cm packaging supports efficient installation and inventory management</li></ul>
View Details -
SKF
NU308ECP Cylindrical Roller Bearing 40x90x23mm Chrome Steel for Industrial Machinery with Long Life
<p>Ensure peak performance and minimize downtime in your industrial machinery with the <strong>NU308ECP bearing</strong>, a high-precision cylindrical roller bearing engineered for long-lasting reliability. Crafted from premium Chrome Steel (SUJ2) and measuring 40x90x23mm, this SKF-designed component delivers exceptional radial load capacity and low noise operation—critical for maintaining smooth workflows in demanding environments like steel mills and manufacturing plants.</p><ul><li>Engineered with SKF's ECP precision rating for enhanced rotational accuracy and reduced vibration</li><li>Unseparated design ensures easy installation and consistent performance under heavy loads</li><li>Backed by full traceability and official SKF certification, giving you confidence in every purchase</li></ul>
View Details -
SKF
NU316-EC M-C3 Double Row Cylindrical Roller Bearing for Low Temperature Machinery with C3 Clearance
<p>Ensure reliable low-temperature machinery performance with the <strong>NU316-EC M-C3</strong> double row cylindrical roller bearing, designed to maintain precision and load capacity even in extreme cold environments. Its C3 clearance provides optimal thermal expansion allowance, preventing seizing during temperature fluctuations—a critical advantage for equipment operating in freezing conditions.</p><ul><li>Engineered with bearing steel (60-64 HRC hardness) for exceptional durability and wear resistance in low-temperature applications</li><li>Separated design allows for easy mounting and dismounting, reducing maintenance downtime for industrial machinery</li><li>Brass or steel cage options accommodate different load and speed requirements, ensuring versatility across your equipment fleet</li></ul>
View Details
Get a Fast Quote
Request a Quotation for
High-Precision Double-Row Cylindrical Roller Bearing SKF NNU4926BK/SPW33 for Wind Power Generation
Fill in your requirements and our multilingual sales team will respond within 12 hours with a competitive price, availability confirmation and delivery schedule.
- Reply within 12 hours -- 24/7 multilingual support
- Competitive factory-direct pricing with full documentation
- Small trial orders and bulk container loads both welcome