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.
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High-Precision Double-Row Cylindrical Roller Bearing SKF NNU4926BK/SPW33 for Wind Power Generation
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