"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."




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 ListSpecifications
The table below lists the designation, category and recorded dimensions for NNU4926B/SPW33 Double Row Cylindrical Roller Bearing for High-Precision Industrial Machinery. Confirm these values against your equipment record before ordering.
| Category | Cylindrical Roller Bearing |
|---|
About this SKF bearing
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | NNU4926B/SPW33 |
| Bearing Type | Double Row Cylindrical Roller Bearing |
| Inner Diameter (d) | 130 mm |
| Structure | Cylindrical |
| Seals Type | Open |
| Number of Row | Double Row |
| Trademark | SKF |
| Origin | China |
| Single Gross Weight | 0.250 kg |
| Selling Units | Single Item |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | High-precision rotating equipment, machine tool spindles, gearboxes |
| Steel Mills | Rolling mill stands, conveyor systems |
| Automotive | Transmission components, precision drivetrains |
| Wind Power | Generator systems, gearbox assemblies |
Need a Reliable NNU4926B/SPW33 Double Row Cylindrical Roller Bearing for High-Precision Machinery?
Selecting the right bearing for high-precision industrial machinery often means navigating complex model codes and ensuring dimensional accuracy. Many buyers face delays when sourcing specific SKF cylindrical roller bearings, or struggle with quality concerns from non-authorized suppliers. When precision equipment relies on components like the NNU4926B/SPW33 bearing, even minor dimensional deviations can cause vibration, premature wear, or costly downtime.
Engineered for High-Precision Industrial Performance
The NNU4926B/SPW33 double row cylindrical roller bearing is designed to address these challenges with its robust double row structure and open design, making it ideal for applications requiring high radial load capacity and precise alignment. As a specialized supplier with access to a comprehensive range of SKF bearings, we maintain extensive inventory covering over 95% of conventional models, supporting same-day shipping for spot goods. This ensures your high-precision industrial machinery gets the right bearing when you need it, without unnecessary delays.
Optimal Performance in Critical Operating Conditions
This SKF NNU4926B/SPW33 bearing excels in environments where precision and reliability are non-negotiable. With an inner diameter of 130 mm, it is well-suited for medium to large-sized industrial equipment operating under moderate to high radial loads. The double row cylindrical roller design provides enhanced rigidity and load distribution, making it particularly effective in machine tool spindles, gearboxes, and rolling mill applications where consistent performance under varying loads is essential.
Key Engineering Features for Long-Term Reliability
The NNU4926B/SPW33 bearing’s design incorporates several critical features that directly impact its performance. The double row roller configuration increases radial load capacity compared to single row alternatives, allowing it to handle higher operational stresses without deformation. The open seal type facilitates proper lubrication circulation, which is crucial for maintaining optimal operating temperatures in high-speed applications. Additionally, the cylindrical structure ensures precise shaft alignment, reducing vibration and extending the service life of both the bearing and the connected machinery components.
Total Cost of Ownership: Why Quality Matters
Choosing a high-precision roller bearing like the NNU4926B/SPW33 directly affects your equipment’s total cost of ownership. Inferior bearings with inconsistent dimensions or substandard materials often lead to increased maintenance frequency, unexpected downtime, and potential damage to adjacent components. In contrast, this SKF cylindrical roller bearing, sourced through official channels, ensures consistent quality and traceability, minimizing the risk of premature failure. By investing in genuine, precision-engineered components, you reduce long-term maintenance costs and enhance the overall reliability of your industrial machinery.
Quality Assurance You Can Trust
Our commitment to quality ensures that every NNU4926B/SPW33 bearing meets strict industry standards. We implement rigorous quality management processes, including verification of product authenticity and compliance with original factory specifications. All bearings are sourced through established supply chains, providing complete traceability from production to delivery. We stand behind the quality of our products with a manufacturer-backed warranty, covering manufacturing defects and ensuring peace of mind for your critical applications. Our professional team can also provide technical documentation, including batch inspection reports, to support your quality control processes.
Packaging & Shipping
- Packaged in standard SKF factory packaging, with outer dimensions of 20.00cm * 20.00cm * 20.00cm
- Package gross weight: 0.300kg per unit
- Same-day shipping available for in-stock items
- Flexible delivery options including express courier, air freight, and sea freight
- Low minimum order quantity, supporting both small-batch and bulk purchases
Get Your NNU4926B/SPW33 Bearing Quote Today
Whether you need a single NNU4926B/SPW33 bearing or a bulk order for your production line, we can provide competitive pricing and reliable delivery. Simply share your required quantity, delivery location, and any specific technical requirements, and our team will promptly prepare a detailed quote. With our extensive inventory and global delivery network, we ensure your order arrives within 7-15 days to most countries and regions, keeping your operations on schedule.
Frequently Asked Questions
Q: Can you supply other brands or models of cylindrical roller bearings?
A: Yes, we offer a full range of bearings from international brands including SKF, NSK, NTN, Koyo, NACHI, IKO, FAG, Timken, as well as domestic quality brands. We can source specific models according to your requirements.
Q: How do I confirm if the NNU4926B/SPW33 bearing fits my equipment?
A: Provide your equipment model or the required bearing dimensions (inner diameter, outer diameter, width), and our technical team will verify compatibility with the NNU4926B/SPW33 specifications.
Q: What is the warranty policy for this bearing?
A: We provide the original factory warranty covering manufacturing defects. Specific warranty terms are detailed in the product documentation and can be discussed during the ordering process.
Q: What is the minimum order quantity for the NNU4926B/SPW33 bearing?
A: We accept low minimum order quantities, including single-item purchases, to support both small-scale maintenance and large production needs.
Q: How long does shipping take to [my location]?
A: In-stock items ship the same day. Delivery times vary by destination, with most countries and regions receiving shipments within 7-15 days via our global delivery network.
Q: Do you offer OEM or ODM services for bearings?
A: Yes, we support customized packaging, label printing, and technical documentation services according to customer requirements. Contact us with your specific customization needs.
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.
One SKF inquiry. Every line accounted for.
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.
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Broad SKF range in one purchase
Ball, roller, needle, thrust, mounted and precision bearings handled in a single industrial order.
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Mixed equipment lists
One inquiry covers parts for different machines, with designations and internal stock codes matched line by line.
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Standard and precision flagged
Routine replacement bearings and special-specification models are labelled separately on your quote.
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No unapproved substitutes
Identification gaps are closed before quoting; any alternative is listed separately for your approval.
Related SKF bearings
These SKF models share the category of NNU4926B/SPW33 Double Row Cylindrical Roller Bearing for High-Precision Industrial Machinery and can be quoted on the same inquiry.
01 Cylindrical Roller Bearing NJ206ECP/C3 NJ207ECP/C3 for Farm Machinery Oil Lubrication
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02 Cylindrical Roller Bearing NUP212EM 60x110x22mm P0-P2 for Industrial Machinery
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03 Cylindrical Roller Bearing NUP208EM 17x40x16mm P0-P2 Precision for Precision Mechanical Equipment
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04 Cylindrical Roller Bearings N2208EM NU2208EM NJ2208EM for Rolling Mill Motors 40x90x23mm
View detailsWhere this bearing is used
NNU4926B/SPW33 Double Row Cylindrical Roller Bearing for High-Precision Industrial Machinery is specified in the applications below. Open an application to see the matching SKF bearing categories.
Trusted by plants and maintenance teams
Industrial buyers in the USA, Mexico, Oman, France, New Zealand and Brazil source genuine SKF bearings and mixed lists through Electrical Equipment.
"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."
"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."
Technical articles for this bearing type
These guides cover selection, identification and replacement points relevant to NNU4926B/SPW33 Double Row Cylindrical Roller Bearing for High-Precision Industrial Machinery.
SKF CARB vs Cylindrical Roller: Wholesale Supplier for Non-Locating Positions
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Read the guideQuestions about ordering this SKF bearing
Short answers on identification, mixed orders, quote terms and substitutions at Electrical Equipment.
What if my SKF designation is incomplete?
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.
Can I quote this bearing together with other SKF categories?
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.
What does the written quote include?
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.
How are substitutions 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.
Get a written quote for NNU4926B/SPW33 Double Row Cylindrical Roller Bearing for High-Precision Industrial Machinery
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.