Description
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | 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 |
| Transport Package | Carton Pallet |
| Specification | As Your Request |
| Origin | Jiangsu China |
| HS Code | 8482800000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| High-Speed Machinery | Industrial equipment requiring reliable performance at elevated rotational speeds |
Need a Dependable Double Row Cylindrical Roller Bearing NU311 EC P/C3 for Your Machinery?
Finding the right bearing that matches both technical specifications and application requirements can be challenging. Mismatched dimensions lead to installation delays, while substandard materials result in premature wear, causing unexpected downtime and repair costs. Sourcing from multiple suppliers for different brands only complicates the process further.
Engineered for Consistent Performance in High-Speed Operations
The Double Row Cylindrical Roller Bearing NU311 EC P/C3 is designed to address these challenges with precision. Featuring a brass cage that enhances stability at high speeds, this bearing meets the demands of industrial machinery where reliability is critical. Our ISO 9001 certified processes ensure each unit undergoes rigorous testing, from raw material inspection to final dimensional checks. With access to a comprehensive range of brands and models, we provide a one-stop solution for your bearing needs, backed by ready inventory for quick fulfillment.
Optimal Performance in Demanding Rotational Environments
This cylindrical roller bearing excels in applications involving high radial loads and moderate axial loads, common in high-speed machinery. Its separated design allows for easy mounting and dismounting, simplifying maintenance procedures. The C3 clearance rating provides the necessary internal space to accommodate thermal expansion during continuous operation, ensuring consistent performance even under varying temperature conditions. Selecting the correct clearance and cage material is essential for maximizing bearing life and minimizing vibration in critical equipment.
Key Engineering Features That Impact Performance
The bearing steel construction delivers a hardness of 60-64 HRC, striking a balance between wear resistance and toughness to withstand heavy loads. The brass cage offers superior heat dissipation compared to steel alternatives, making it ideal for high-speed applications where temperature control is vital. Vibration class options (Z1V1 to Z3V3) allow customization based on precision requirements, with higher classes reducing noise and oscillation in sensitive machinery. The non-aligning design ensures stable operation in setups where shaft misalignment is minimal, maintaining load distribution across the rollers for uniform wear.
Why Proper Bearing Selection Lowers Long-Term Costs
Choosing the right bearing directly affects your total cost of ownership. A bearing with incorrect clearance or material can lead to early failure, resulting in production halts and expensive repairs. This double row cylindrical roller bearing’s robust design, combined with our quality assurance processes, reduces the risk of unplanned downtime. By adhering to international standards, it ensures compatibility with existing equipment, eliminating the need for costly modifications. Investing in a reliable bearing upfront avoids the hidden expenses of frequent replacements and maintenance, particularly in high-speed machinery where component failure can have cascading effects.
Quality You Can Trust in Every Component
Our production and inspection processes are ISO 9001 certified, ensuring consistent quality from raw material intake to finished product. Each bearing undergoes strict testing for dimensions, hardness, and surface finish to meet industry 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 source or supply bearings according to your specific requirements. Our inventory includes common and hard-to-find models, supporting same-day shipping for urgent needs.
Packaging & Shipping
- Packaged in cartons on pallets for secure transportation
- Available for immediate shipment from stock
- Flexible shipping options including express, air, and sea freight
- Low minimum order quantity to support both small and large-scale requirements
Get Your Quote for the Double Row Cylindrical Roller Bearing NU311 EC P/C3
Whether you need this specific model or another bearing type, provide us with the details—model number, dimensions, quantity, and destination—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 sooner we can arrange delivery to keep your operations running smoothly.
Frequently Asked Questions
Q: Do you supply bearings from other brands or models?
A: Yes, we support inquiries for a full range of brands and models, and can supply according to your specified requirements.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment’s required bearing dimensions, load capacity, and operating conditions, and our technical team will verify compatibility.
Q: What is your warranty policy for bearings?
A: We offer a warranty against manufacturing defects; specific terms are outlined in our sales contract.
Q: What is the minimum order quantity for this bearing?
A: We accept low minimum order quantities, including small batch orders for testing purposes.
Q: How long does shipping take, and what methods are available?
A: In-stock items ship the same day; delivery times vary by location, with options for express, air, or sea freight.
Q: Can you provide OEM or ODM custom bearings?
A: Yes, we support custom bearing production based on your provided drawings or specifications.
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.







