NN 3056 K/SPw33 Double Row Cylindrical Roller Bearing with Sp Precision for Wind Power Generation

Product Specifications

Application Suitability

Need a High-Precision SKF NN 3056 K/SPw33 Bearing for Wind Turbines? Here's What You Should Know

Wind turbine operators know that bearing failure in critical components like main shafts or gearboxes can lead to costly downtime and maintenance. With hundreds of bearing models and varying precision classes on the market, finding the exact replacement that matches original equipment specifications—especially for older turbine models—often becomes a time-consuming challenge.

Engineered for Wind Power's Demanding Conditions

The SKF NN 3056 K/SPw33 double row cylindrical roller bearing addresses these challenges with its Sp precision rating, designed to maintain alignment and load distribution in high-torque wind turbine applications. As a supplier with access to a comprehensive range of SKF products and extensive inventory, we can quickly source this specific model, ensuring minimal disruption to your maintenance schedule.

Optimal Performance in Wind Turbine Gearboxes and Main Shafts

This bearing excels in applications where radial loads are dominant and precise shaft positioning is critical. Operating in the variable load conditions of wind turbines—where rotational speeds and torque fluctuate with wind intensity—the double row cylindrical design provides enhanced rigidity compared to single row alternatives, making it suitable for main shaft support and gearbox input/output stages.

Key Engineering Features for Reliability

The NN 3056 K/SPw33's Sp precision rating ensures tight control over dimensional tolerances, reducing vibration and noise during operation—a critical factor in extending gearbox lifespan. Its open design allows for custom lubrication solutions tailored to specific turbine requirements, while the double row configuration distributes radial loads evenly across contact surfaces, minimizing stress concentrations. With an inner diameter of 280 mm, this bearing fits standard wind turbine shaft sizes, ensuring compatibility with common OEM designs.

Why Precision and Authenticity Impact Total Cost of Ownership

Choosing a bearing with the correct precision class directly affects maintenance intervals and equipment longevity. A bearing with insufficient precision can lead to premature wear, increasing the frequency of replacements and associated labor costs. Additionally, non-genuine bearings often lack the material quality and manufacturing consistency of authentic SKF products, risking catastrophic failure in high-stress wind turbine applications. Investing in genuine components reduces long-term operational costs by minimizing unplanned downtime and extending service life.

Quality Assurance You Can Trust

Packaging & Shipping

• Packaged in standard 10X10X10 cm cartons per batch
• Same-day shipping available for in-stock inventory
• Flexible delivery options including express courier, air freight, and sea freight
• Low minimum order quantity, supporting both small maintenance batches and large-scale projects

Get a Quote for Your SKF NN 3056 K/SPw33 Bearing Requirement

Whether you need a single replacement bearing or bulk quantities for scheduled maintenance, we can provide competitive pricing and reliable delivery. Simply share the required quantity and your delivery location, and our team will prepare a detailed quote with lead time information. We also welcome inquiries for other SKF bearing models and related wind power components.

Frequently Asked Questions