Description
Product Specifications
| Parameter | Details |
|---|---|
| Bearing Type | Cylindrical Roller Bearing |
| Model Number | NU2318, NU2318M, NU2318ECM, NU2318E |
| Bore Diameter (d) | 90mm |
| Outside Diameter (D) | 190mm |
| Width (B) | 64mm |
| Material | Bearing Steel, Chrome Steel, Ceramic, Nylon |
| Cage | Iron Cage/Brass Cage/Nylon Cage |
| Load Direction | Radial Bearing |
| Separated | Separated |
| Precision Rating | P0, P6, P5, P4, P2 |
| Seals Type | Open |
| Standard | DIN, GB, ISO, JIS |
| Weight | 8.7 Kg |
| Origin | Sweden |
| HS Code | 8482500090 |
| Package Size | 20cm×20cm×7.5cm |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | Water Pump Systems |
Need a Reliable Cylindrical Roller Bearing NU2318 for Water Pumps? Here’s What Matters
Selecting the right bearing for water pump applications often involves balancing radial load capacity with dimensional accuracy. Many buyers face challenges with non-standard dimensions causing installation delays, or premature failures due to unsuitable cage materials in wet environments. Sourcing from multiple suppliers for different bearing types only adds complexity to procurement workflows.
Built for Durable Performance in Water Pump Applications
The Cylindrical Roller Bearing NU2318 with brass cage addresses these challenges through its precision-engineered design. As a specialized supplier with access to comprehensive bearing ranges, we ensure this bearing meets exact dimensional specifications (90x190x64mm) for seamless interchangeability. The brass cage option provides enhanced corrosion resistance—critical for water pump environments where moisture exposure is constant. Our direct supply channels from global distribution centers mean consistent availability for both standard and specialized models.
Optimal Performance in Radial Load Scenarios
This bearing excels in applications with high radial loads, such as water pump drive shafts, where it efficiently distributes load across the cylindrical rollers. The separated inner and outer rings allow for easy mounting and dismounting, simplifying maintenance procedures. Operating within standard industrial temperature ranges, it maintains stable performance in both ambient and moderately elevated heat conditions common in pump systems. The open design facilitates lubrication management, ensuring proper grease retention for extended service intervals.
Key Engineering Features for Reliable Operation
The NU2318’s brass cage offers superior mechanical strength compared to nylon alternatives, making it suitable for higher rotational speeds and heavier load conditions. Its precision rating options (from P0 to P2) allow customization based on application requirements—P5 or P4 grades for pumps requiring minimal vibration, and standard P0 for general-purpose use. The radial load orientation ensures optimal force distribution, reducing stress on pump components. Constructed from high-grade bearing steel, the raceways and rollers undergo严格的表面处理 to resist wear and fatigue, directly contributing to longer service life in continuous-duty pump applications.
Why Proper Bearing Selection Impacts Total Operating Costs
Choosing the correct cylindrical roller bearing directly affects equipment uptime and maintenance expenses. A bearing with inadequate load capacity or incompatible cage material can lead to premature failure, resulting in unplanned downtime and costly repairs. This NU2318 model, with its robust construction and material options, minimizes these risks by aligning with industry standards for water pump applications. By investing in a precision-machined bearing that matches your specific operating conditions, you reduce the likelihood of early replacement and the associated labor costs—ultimately lowering the total cost of ownership over the equipment lifecycle.
Quality You Can Verify Through Documentation
Our procurement process adheres to strict quality management protocols, ensuring each bearing meets original manufacturer specifications. We provide complete traceability documentation, including batch inspection reports and origin certificates, for every order. All products undergo dimensional and material verification before shipment, confirming compliance with DIN, ISO, and JIS standards. Our inventory system maintains stock of over 95% of conventional models, supporting same-day shipping for urgent requirements. For added assurance, we offer a warranty covering manufacturing defects, with clear procedures for returns and replacements.
Packaging & Shipping
- Standard packaging: 20cm×20cm×7.5cm cartons, with pallet options for bulk orders
- Same-day shipping available for in-stock items
- Flexible delivery options: express courier, air freight, or sea freight based on urgency and destination
- Low minimum order quantity supported, from single units to large-scale requirements
Get Your Cylindrical Roller Bearing NU2318 Quote Today
To ensure you receive the correct bearing for your water pump application, provide us with the specific model, required precision grade, and quantity. Our technical team can assist with cross-verification against existing part numbers or equipment specifications. The sooner you confirm your requirements, the faster we can arrange shipment—keeping your maintenance schedules on track.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides SKF?
A: Yes, we provide bearings from various international and domestic brands, including NSK, NTN, Koyo, NACHI, IKO, FAG, Timken, and others. We can source specific brands as per customer requirements.
Q: How can I confirm if this NU2318 bearing fits my water pump?
A: Provide your equipment model or existing bearing dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with the NU2318 specifications.
Q: What warranty coverage do you offer on bearings?
A: We provide a warranty against manufacturing defects. The specific duration and terms are outlined in each order’s documentation, with clear procedures for handling returns if issues arise.
Q: What is the minimum order quantity for this bearing?
A: We accept small orders, including single units, to accommodate maintenance needs. Larger quantities benefit from volume pricing, and we can discuss flexible terms for regular supply.
Q: How long does delivery take to [my country]?
A: For in-stock items, standard delivery takes 7-15 days to most countries via our global logistics network. Express options are available for urgent requirements, with transit times varying by destination.
Q: Can you provide custom packaging or labeling for this bearing?
A: Yes, we offer customized packaging and label printing services to meet specific customer requirements, including barcode labeling and compliance documentation for import/export purposes.
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.







