Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | NNU4926BK/SPW33 |
| Bearing Type | Double Row Cylindrical Roller Bearing |
| Inner Diameter (d) | 130 mm |
| Seals Type | Open |
| Structure | Cylindrical |
| Trademark | SKF |
| Origin | China |
| Gross Weight Per Unit | 0.250 kg |
| Selling Units | Single Item |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Wind Power Generation | Generator systems, gearbox assemblies |
| Industrial Machinery | High-precision rotating equipment |
Looking for High-Precision SKF NNU4926BK/SPW33 Bearing for Wind Power Applications?
Wind power equipment operators often face challenges with bearing reliability—premature wear from misalignment, downtime due to inaccurate dimensions, and the hassle of sourcing authentic components. When critical machinery like wind turbine gearboxes fails, the cost of replacement and lost production adds up quickly.
Engineered for Wind Power’s Demanding Conditions
The SKF NNU4926BK/SPW33 double row cylindrical roller bearing addresses these pain points through its precision design and robust construction. As part of our comprehensive SKF bearing range, this product benefits from our direct supply chain from official channels, ensuring 100% genuine quality. With over 95% of conventional SKF models in stock, we support same-day shipping for urgent wind power maintenance needs.
Optimal Performance in High-Load Rotating Systems
This bearing excels in applications requiring high radial load capacity and precise axial alignment—key requirements in wind turbine gearboxes and generator shafts. Operating in temperatures ranging from -30°C to 120°C, its open design allows for customized lubrication solutions, adapting to the specific environmental conditions of onshore and offshore wind farms. The double row structure provides superior rigidity, minimizing vibration under dynamic loads.
Technical Features That Ensure Reliability
The NNU4926BK/SPW33’s 130 mm inner diameter is machined to tight tolerances, ensuring seamless interchangeability with original equipment specifications. Its cylindrical roller design distributes load evenly across the raceway, reducing stress concentrations and extending service life. The SPW33 suffix indicates SKF’s precision manufacturing standard, guaranteeing consistent performance in high-speed applications up to 6,000 RPM. The bearing’s steel construction undergoes strict heat treatment, achieving surface hardness of 58-62 HRC for optimal wear resistance.
Total Cost of Ownership Matters More Than Initial Price
Choosing the right bearing directly impacts your maintenance budget. A genuine SKF NNU4926BK/SPW33 bearing reduces the risk of unplanned downtime—each failure in a wind turbine can cost thousands in lost energy production and repair labor. By adhering to SKF’s global quality standards, this bearing delivers predictable performance, aligning with ISO 281 fatigue life calculations to ensure long-term reliability. Investing in precision components ultimately lowers your total cost of ownership compared to cheaper alternatives with inconsistent quality.
Quality You Can Verify
Our SKF bearings come with complete traceability documentation, including original factory certificates and batch inspection reports. Every unit undergoes dimensional and hardness testing before shipping, confirming compliance with SKF’s specifications. We provide a factory warranty covering manufacturing defects, and our technical team is available to assist with installation guidance to maximize bearing performance. As a specialized SKF supplier, we maintain direct relationships with global distribution centers, eliminating middlemen and ensuring authentic products.
Packaging & Shipping
- Standard SKF packaging: 25.00cm × 25.00cm × 25.00cm carton
- Package gross weight: 0.300kg per unit
- Same-day shipping for in-stock items
- Global delivery options: Express courier, air freight, or sea freight
- Minimum order quantity: 1 unit
Get Your SKF NNU4926BK/SPW33 Bearing Quote Today
Whether you need a single replacement bearing or bulk order for your wind power project, we can provide competitive pricing and reliable delivery. Simply share the quantity and your destination, and our team will confirm availability and lead time. We also offer technical support to verify compatibility with your equipment—just provide your machinery model or existing bearing dimensions.
Frequently Asked Questions
Q: Do you supply other SKF bearing models besides NNU4926BK/SPW33?
A: Yes, we offer the complete range of SKF bearings, including deep groove ball bearings, tapered roller bearings, spherical roller bearings, and linear motion products.
Q: How can I confirm this bearing fits my wind turbine gearbox?
A: Provide your gearbox model or the original bearing part number, and our technical team will cross-reference dimensions and specifications for compatibility.
Q: What is your warranty policy for SKF bearings?
A: All SKF products come with the original factory warranty covering manufacturing defects. Specific terms are detailed in the COC (Certificate of Conformity) provided with each shipment.
Q: What is the minimum order quantity for this bearing?
A: We accept orders for a single unit, making it convenient for emergency maintenance needs.
Q: How long does shipping take to Europe or North America?
A: Standard delivery to most countries takes 7-15 days door-to-door via our global logistics network.
Q: Can you provide custom packaging or labeling for bulk orders?
A: Yes, we offer customized packaging and label printing services according to customer requirements for large quantity orders.
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.
