Sep 19, 2026 · Installation & Maintenance
Remove Ball Bearings from Motor Shafts: Wholesale Supplier
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Read the selection guideSKF bearings by designation · Itemized written quotes for mixed project lists




State the exact execution (designation suffix), whether you need the complete assembly, and which housings or mounting accessories belong on the same line. Keep precision items separate, with accuracy class and arrangement.
Technical data
Listed data for this SKF designation; confirm the execution and dimensions against your drawing or application before ordering.
| Category | Cylindrical Roller Bearing |
|---|
| Parameter | Details |
|---|---|
| Model Number | NU308ECP |
| Bearing Type | Cylindrical Roller Bearing |
| Bore Diameter (d) | 40mm |
| Outside Diameter (D) | 90mm |
| Width (B) | 23mm |
| Material | Chrome Steel |
| Load Direction | Radial Bearing |
| Separated | Unseparated |
| Features | Long Life / Durable / Low Voice |
| Precision Rating | P0, P6, P5, P4, P2 |
| Origin | China |
| HS Code | 8482300000 |
| Package Size | 11.00cm * 18.00cm * 5.00cm |
| Package Gross Weight | 1.420kg |
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | Conveyor systems, gearboxes, pumps, compressors |
| Steel Mills | Rolling mill equipment, material handling machinery |
| Mining Equipment | Crushers, screeners, conveyor drives |
| Automotive Industry | Transmission systems, axle assemblies |
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failure. When radial loads exceed a bearing's capacity or poor material quality leads to premature wear, the cost of replacement parts and production losses adds up quickly. Finding a cylindrical roller bearing that matches exact dimensions—like the 40x90x23mm NU308ECP—while ensuring durability can be a challenge in a market flooded with inconsistent quality.
Our NU308ECP cylindrical roller bearing addresses these challenges with precision engineering and quality materials. As a supplier with access to a comprehensive range of bearing brands and models, we ensure this 40x90x23mm bearing meets industrial standards for radial load handling and longevity. Chrome steel construction provides the hardness needed for heavy-duty applications, while the bearing's low-noise operation makes it suitable for machinery where quiet performance is essential. Whether used in conveyor gearboxes or mining equipment, this bearing delivers the durability required to minimize maintenance interruptions.
This NU308ECP bearing is designed specifically for radial load environments, making it ideal for equipment where forces act perpendicular to the shaft. With a width of 23mm, it balances load capacity and compactness, fitting into tight machinery spaces without sacrificing performance. Its unseparated design ensures easy installation and consistent operation, even in high-vibration industrial settings. For applications requiring precision rotation—such as steel mill rollers or automotive transmissions—this bearing's available precision ratings (from P0 to P2) allow customization to match specific tolerance requirements.
The Chrome Steel material used in this cylindrical roller bearing offers several key advantages: its high surface hardness resists wear from continuous contact, while its fatigue strength extends service life under cyclic loads. The bearing's low-voice feature is achieved through tight dimensional control, ensuring smooth roller-to-raceway contact that reduces vibration and noise. Available precision classes (P0 to P2) cater to different application needs—from general industrial use (P0) to high-precision machinery (P2)—where even minor dimensional variations can affect performance. These engineering details collectively contribute to the bearing's long-life design, reducing the frequency of replacements and lowering overall maintenance costs.
Selecting a quality NU308ECP cylindrical roller bearing directly affects your equipment's total cost of ownership. A bearing with subpar material or imprecise dimensions may cost less upfront but can lead to frequent failures, unplanned downtime, and damage to adjacent components. In contrast, this Chrome Steel bearing's durability minimizes replacement intervals, while its radial load capacity ensures it handles rated forces without premature wear. Following ISO guidelines for bearing selection—matching load ratings to application demands—helps avoid over-sizing (adding unnecessary cost) or under-sizing (risking failure). By investing in a bearing designed for long life, you reduce not just part costs but also the labor and production losses associated with frequent maintenance.
Our bearings undergo rigorous quality control processes aligned with ISO 9001 standards, from raw material inspection to final dimensional and hardness testing. Each NU308ECP bearing is checked for critical parameters like bore diameter (40mm), outer diameter (90mm), and width (23mm) to ensure interchangeability with international standards. We provide a warranty against manufacturing defects, giving you confidence in your purchase. With access to a wide range of brands and models, we can fulfill orders for both standard and hard-to-find bearings, supporting your procurement needs with reliable supply.
Whether you need a single NU308ECP cylindrical roller bearing or a bulk order, we can provide competitive pricing and fast delivery. Share your required quantity, application details, and delivery location, and our team will prepare a tailored quote. We also accept inquiries for other bearing models and brands—let us know your specifications, and we’ll source the right solution for your equipment.
Q: Do you supply bearings from other brands or only specific models?
A: We support procurement of bearings across all major international and domestic brands. Simply provide the brand, model, or dimensions, and we can source the required product.
Q: How can I confirm if the NU308ECP is compatible with my machinery?
A: Share your equipment’s bearing requirements (dimensions, load capacity, precision class), and our technical team will verify compatibility with the NU308ECP specifications.
Q: What is the warranty policy for this bearing?
A: We offer a warranty covering manufacturing defects. Specific terms are outlined in the sales contract, and defective products can be replaced or refunded per agreement.
Q: What is the minimum order quantity for the NU308ECP?
A: We accept low minimum orders, including single-unit purchases, to support both maintenance needs and large-scale production.
Q: How quickly can you ship the NU308ECP bearing?
A: Stock items are shipped the same day for orders placed before cutoff time. Delivery times depend on location, with express options available for urgent requirements.
Q: Do you offer OEM or custom bearing solutions?
A: Yes, we support OEM/ODM services, including custom packaging, labeling, and technical documentation, based on your specific requirements.
Ready to order or need a quote?
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Project buyers
"We submitted a long SKF list for a new project, mixing ball, roller, needle and thrust bearings. This supplier came back with itemized pricing, lead times and alternatives for two long-lead references. We could plan the procurement timeline without surprises."
Daniel KimKim Engineering Project · South Korea"When our project timeline shifted and we needed to split the delivery into three batches, the supplier worked with us on the schedule. Each batch arrived complete and on the agreed date. No holding costs, no rush shipping fees."
Mohammed Al-AminAl-Amin Contracting · Saudi ArabiaSame series
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Read the selection guideFAQ
Send the selected SKF model, quantity per line, accuracy requirement, mounting accessories, destination country and postcode, and the date you need the goods. Confirm the exact execution and whether you need the complete assembly. With that, Project Purchasing Company returns a written itemized quote.
List precision bearings on separate lines with their accuracy class and arrangement or configuration. Keeping them apart from standard bearings prevents wrong pricing and wrong shipments on mixed project lists.
Yes. Send a photo of the nameplate or bearing markings, and we list the information that still needs confirming. Any technical change or alternative model is clearly marked and requires your approval.
Yes. Shipping method and delivery schedule are confirmed before dispatch, so batches can follow your installation timeline. On receipt, check labels, quantity and condition; any mismatch is handled with your order number and photos.
Request a quote
Project Purchasing Company quotes every line by SKF model, with price and currency, stock, estimated lead time, validity and freight or tax terms. Add related bearings and accessories to the same request.