Authorized SKF Distributor Ball, roller, needle, thrust and mounted bearings for industrial buyers worldwide
Buying for several machines? Add this model to one inquiry with the other SKF bearings, housings and accessories on your list. Each line keeps its own designation, quantity and specification.
Send Your Full List| 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 |
| Industry | Typical Applications |
|---|---|
| Wind Power Generation | Generator systems, gearbox assemblies |
| Industrial Machinery | High-precision rotating equipment |
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.
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.
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.
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.
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.
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.
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.
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.
Electrical Equipment is an Authorized SKF Distributor that turns mixed equipment lists into itemised, comparable quotes and consolidated supply for industrial plants, maintenance contractors and distributors worldwide.
Ball, roller, needle, thrust, mounted and precision bearings handled in a single industrial order.
One inquiry covers parts for different machines, with designations and internal stock codes matched line by line.
Routine replacement bearings and special-specification models are labelled separately on your quote.
Identification gaps are closed before quoting; any alternative is listed separately for your approval.
These SKF models share the category of High-Precision SKF NNU4926BK/SPW33 Double-Row Cylindrical Roller Bearing for Wind Power Generation and can be quoted on the same inquiry.
01 
02 
03 
04 High-Precision SKF NNU4926BK/SPW33 Double-Row Cylindrical Roller Bearing for Wind Power Generation is specified in the applications below. Open an application to see the matching SKF bearing categories.
Industrial buyers in the USA, Mexico, Oman, France, New Zealand and Brazil source genuine SKF bearings and mixed lists through Electrical Equipment.
"When a critical piece of rotating equipment failed, we needed a mixed SKF list urgently. The supplier consolidated the order, shipped same-day, and the parts were on our plant floor in two days. The equipment was back online before the end of the shift."
Ahmed Al-FarsiFarsi Industrial Services · Oman "We had a bad experience with counterfeit SKF bearings from another supplier. The bearings from skfus.com are genuine, traceable, and the packaging matches SKF's current format. Our reliability team verified the first batch and we now use them as our primary source."
Luis HernandezHernandez Manufacturing · Mexico "The SKF mounted units and insert bearings we ordered for a conveyor upgrade were supplied with the correct housing and locking arrangement. Our maintenance team installed them without modification. No noise, no leaks, no call-backs."
Graham McLeodMcLeod Fabrication · New Zealand These guides cover selection, identification and replacement points relevant to High-Precision SKF NNU4926BK/SPW33 Double-Row Cylindrical Roller Bearing for Wind Power Generation.
Stop shaft seizure in non-locating positions with our SKF CARB vs Cylindrical Roller comparison. Learn how CARB toroidal bearings accommodate thermal expansion and misalignment…
Read the guide Master SKF AH 3138 withdrawal sleeve specs to prevent lock nut slippage and catastrophic bearing failures in heavy machinery. Learn exact dimensions, hydraulic installation…
Read the guide
Secure genuine Bearings in Rotary Kilns and Dryers with full traceability to prevent costly downtime from counterfeit parts. Verify internal clearance and HS codes…
Read the guideShort answers on identification, mixed orders, quote terms and substitutions at Electrical Equipment.
Send a clear photo of the bearing markings and note which details still need confirming. We close identification gaps, including the exact specification and complete assembly, before you accept a quote. Nothing is substituted to fill a gap.
Yes. Standard, precision and mounted units can sit in one itemised inquiry, with each line keeping its own designation, quantity and specification. Housings and mounting accessories are added when they are part of your supply scope.
Each quote lists the designation, quantity, price and currency, stock availability, estimated lead time and quote validity. Applicable freight or tax terms are stated, and the product documents available for your order are confirmed.
Only with your approval. Any alternative is marked separately on the quote, and every technical change needs sign-off from the buyer before an order is placed.
Send this model alone or with your full SKF list. We verify the identification details on every line first, then issue an itemised written quote with lead time and validity.
