Description
Product Specifications
| Parameter | Details |
|---|---|
| Bearing Type | Double Row Cylindrical Roller Bearing |
| Outer Dimension | Medium and Large(120-190mm) |
| Material | Bearing Steel |
| Spherical | Non-Aligning Bearings |
| Load Direction | Axial Bearing |
| Separated | Separated |
| Clearance | C0 C2 C3 C4 C5 |
| Cage | Brass, Steel |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Hardness | 60-64 HRC |
| HS Code | 8482800000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Precision Machinery | High-speed rotating components requiring accuracy and load capacity |
Struggling with High-Speed Precision Machinery Performance? Nu308-Ec Double Row Cylindrical Roller Bearings Deliver Reliability
Many industrial buyers face challenges finding bearings that maintain precision at high speeds while handling axial loads. Mismatched clearance or poor material quality often leads to premature wear, increased vibration, and unexpected downtime. Sourcing from multiple suppliers for different bearing types only adds complexity to procurement.
Engineered for High-Speed Precision Machinery with C3 Clearance
The Nu308-Ec Double Row Cylindrical Roller Bearings address these issues with their separated design and C3 clearance, ideal for applications where thermal expansion occurs at high rotational speeds. Our extensive inventory covers a wide range of bearing types, including this precision model, ensuring same-day shipping for spot orders. Whether for machine tools or precision equipment, these bearings provide the stability needed for continuous operation.
Optimal Performance in High-Speed, Axial Load Environments
This bearing excels in conditions where both radial and axial loads are present, such as in high-speed gearboxes and precision spindles. With a hardness of 60-64 HRC, it withstands heavy loads while maintaining dimensional stability. The non-aligning design requires proper shaft alignment, making it suitable for rigidly mounted machinery where misalignment is minimal but precision is critical.
Key Engineering Features for Reliable Operation
The separated inner and outer rings allow for easy mounting and dismounting, simplifying maintenance procedures. Available with brass or steel cages, the bearing can be tailored to specific speed requirements—brass cages offer higher strength at elevated temperatures, while steel cages provide cost-effectiveness for standard applications. C3 clearance ensures adequate space for thermal expansion during high-speed operation, preventing excessive friction and heat buildup that can degrade performance. The Z1V1 to Z3V3 vibration grades also contribute to smoother operation, reducing noise and extending equipment life.
Why Choosing the Right Bearing Reduces Total Cost
Selecting a bearing with the correct clearance and load capacity directly impacts equipment uptime and maintenance costs. A bearing with insufficient clearance may seize under thermal expansion, causing catastrophic failure and costly repairs. Conversely, excessive clearance can lead to vibration and reduced precision, affecting product quality. By choosing the Nu308-Ec with C3 clearance, you ensure optimal performance under high-speed conditions, minimizing unplanned downtime and lowering long-term operational expenses.
Quality You Can Rely On
Our bearings undergo rigorous quality control processes, including material inspection and hardness testing to ensure compliance with industry standards. Each unit is manufactured to precise dimensions, guaranteeing interchangeability with major international standards. We stand behind our products with a warranty against manufacturing defects, providing peace of mind for your critical applications. With access to a wide range of brands and models, we can fulfill your specific requirements efficiently.
Packaging & Shipping
- Packaged in cartons on pallets for secure transport
- Same-day shipping available for in-stock items
- Flexible delivery options including express, air, and sea freight
- Low minimum order quantities to support both small and large scale needs
Get Your Nu308-Ec Bearing Quote Today
Whether you need a single unit or bulk quantities, provide us with the bearing model, dimensions, and quantity required, and we’ll promptly send you a competitive quote. Our team can also assist with technical specifications to ensure the bearing matches your application needs. The sooner you confirm your order, the faster we can arrange delivery.
Frequently Asked Questions
Q: Do you supply bearings from other brands or models?
A: Yes, we offer a complete range of bearings across various brands and models. We can source according to your specific brand or dimensional requirements.
Q: How can I verify if this bearing fits my equipment?
A: Provide your equipment’s bearing dimensions (bore, outer diameter, width) or model number, and our technical team will cross-check compatibility with the Nu308-Ec specifications.
Q: What is your warranty policy for bearings?
A: We provide a warranty against manufacturing defects. The specific terms are outlined in our sales contract, and defective products can be replaced or refunded according to the agreement.
Q: What is the minimum order quantity for this bearing?
A: We accept low minimum order quantities, including single-unit purchases, to support small-scale maintenance or trial applications.
Q: How quickly can you ship the Nu308-Ec bearings?
A: In-stock bearings are shipped the same day. For larger orders or specialized requirements, lead times will be provided in your quote.
Q: Do you offer custom bearing solutions (OEM/ODM)?
A: Yes, we support custom manufacturing based on your drawings or specific technical specifications, including material and clearance modifications.
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.







