Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | Nu305e |
| Bearing Type | Cylindrical Roller Bearing |
| Structure | Cylindrical |
| Number of Row | Single Row |
| Seals Type | Open |
| Load Direction | Radial Bearing |
| Spherical | Non-Aligning Bearings |
| Separated | Separated |
| Specification (d x D x B) | 25*52*15 mm |
| Outer Dimension | Large (200-430mm) |
| Material | Bearing Steel |
| Lubricate | Oil Grease Dry |
| Precision Rating | P0 P6 P5 P4 P2 |
| HS Code | 8482500090 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | Rotary shafts, gearboxes, conveyor systems, machine tool spindles |
Looking for a Reliable Cylindrical Roller Bearings Nu Series for Industrial Machinery? Here’s What Matters
Industrial machinery operators know the frustration of bearing failures—downtime from early wear, misalignment issues, or struggling to find precise replacements across different brands. When your production line depends on radial load handling and easy maintenance, choosing the right single row open type bearing isn’t just about specifications; it’s about avoiding costly disruptions.
Built for Reliable, Long-Term Performance in Industrial Settings
The Nu Series Single Row Open Type Cylindrical Roller Bearing addresses these challenges with its separated inner and outer rings, allowing for easy mounting and dismounting during maintenance. As a supplier with extensive experience across industrial bearings, we ensure this bearing meets dimensional standards compatible with major international brands, supporting seamless replacement in existing equipment. Its radial load capacity makes it ideal for high-stress industrial machinery applications where precision and durability are non-negotiable.
Where This Bearing Performs Best
Designed for industrial machinery operating under moderate to heavy radial loads, this bearing excels in scenarios with minimal axial load and where alignment can be maintained. Whether in gearboxes, electric motors, or material handling equipment, its open type design allows for easy lubrication replenishment—critical for extending service life in dusty or high-temperature environments common in manufacturing plants.
Engineering Details That Matter
The Nu305e model’s 25mm bore diameter, 52mm outer diameter, and 15mm width balance compact sizing with load-bearing capability. Constructed from high-grade bearing steel, it delivers the hardness (HRC 58-62) needed to resist deformation under heavy loads, while precision ratings from P0 to P2 ensure compatibility with both general and high-precision machinery requirements. The separated design not only simplifies installation but also allows for independent replacement of inner or outer rings, reducing maintenance costs. Its radial clearance options accommodate thermal expansion in continuous operation, preventing seizure and extending bearing life.
Why Bearing Selection Affects Total Cost
Choosing the right cylindrical roller bearing directly impacts your total cost of ownership. A bearing with improper precision class or material can lead to excessive vibration, premature wear, and unplanned downtime—costing far more than the initial savings from a lower-quality alternative. This Nu Series bearing, with its严格的 manufacturing tolerances and bearing steel construction, minimizes these risks by adhering to industry standards for fatigue life and load capacity. Properly selected and maintained, it reduces the frequency of replacements and the associated labor costs, making it a cost-effective choice for long-term industrial operations.
Quality You Can Rely On
Our bearings undergo rigorous quality control processes, including dimensional accuracy checks and hardness testing, to ensure compliance with international standards. We source from established manufacturers with ISO 9001-certified production lines, providing traceability for materials and manufacturing processes. Each bearing is inspected before shipment to verify precision ratings and structural integrity. We offer a standard warranty against manufacturing defects, with clear terms for replacement or refund. Our inventory includes both common and hard-to-find industrial bearing models, enabling quick fulfillment of urgent orders.
Packaging & Shipping
- Standard packaging: Carton with pallet for bulk orders, ensuring safe transport
- Stock availability: Ready for immediate dispatch for standard models
- Logistics options: Flexible shipping via courier, air, or sea freight to match delivery timelines
- Minimum order quantity: Low MOQ available, supporting both small-scale maintenance and large production requirements
Request a Quote for Nu Series Cylindrical Roller Bearings
Whether you need the Nu305e model or other industrial bearings, provide your required specifications—model number, dimensions (d x D x B), quantity, and delivery location—and our team will prepare a detailed quote. We handle all major brands and can source custom specifications to match your equipment needs. The sooner you confirm your requirements, the faster we can arrange shipping to keep your operations running smoothly.
Frequently Asked Questions
Q: Do you supply other brands or models of cylindrical roller bearings?
A: Yes, we offer a full range of industrial bearings across multiple brands, including SKF, NSK, NTN, and others. We can source specific models or provide alternatives based on your equipment requirements.
Q: How can I confirm if this bearing fits my machinery?
A: Provide your equipment model or existing bearing dimensions (bore diameter, outer diameter, width), and our technical team will cross-reference with manufacturer specifications to ensure compatibility.
Q: What is your warranty policy for bearings?
A: We provide a warranty against manufacturing defects. The warranty period and terms are specified in each order, with options for replacement or refund if issues arise due to production faults.
Q: What is the minimum order quantity for this bearing?
A: We support low minimum order quantities, including single-unit purchases for maintenance needs, as well as bulk orders for production lines.
Q: How long does shipping take for in-stock bearings?
A: In-stock bearings are shipped within 1-3 business days. Delivery time depends on the shipping method chosen—express courier (3-7 days), air freight (5-10 days), or sea freight (20-40 days).
Q: Can you provide custom bearings with specific dimensions or materials?
A: Yes, we offer OEM/ODM services for custom bearings. Provide your technical drawings or specifications, and we can manufacture bearings to your exact requirements.
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.







