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 |
| HS Code |
8482800000 |
Application Industries
| Industry |
Typical Equipment |
| Construction |
Excavators, Loaders, Bulldozers |
| Heavy Machinery |
Crushers, Conveyors, Mining Equipment |
Minimize Downtime with NU2311 EC C3 Double Row Cylindrical Roller Bearing for Heavy Machinery
Construction and heavy machinery operations face critical challenges when bearings fail prematurely—costly downtime, missed project deadlines, and increased maintenance expenses. Sourcing reliable bearings that withstand heavy loads and harsh conditions often means navigating complex supply chains with inflexible minimum order quantities and uncertain lead times.
Engineered for Heavy-Duty Performance: NU2311 EC C3 Bearing
The Double Row Cylindrical Roller Bearing NU2311 EC C3 is designed to address these pain points, offering robust performance for heavy machinery and construction equipment. With decades of manufacturing experience, we produce bearings that meet strict precision standards (P0 to P4) and noise grades (Z2/Z3/Z4), ensuring compatibility with demanding applications like excavator gearboxes and conveyor systems. Our one-stop service covers everything from selection to delivery, eliminating the hassle of multiple suppliers.
Optimal Performance in Severe Working Conditions
This NU2311 EC C3 Bearing excels in environments characterized by high radial loads, shock impacts, and continuous operation—common in construction and mining equipment. Its separated design allows for easy installation and maintenance, while the C3 clearance grade accommodates thermal expansion during prolonged use, reducing the risk of overheating and premature failure. Whether powering a loader’s drivetrain or a crusher’s rotating components, this bearing delivers consistent performance under pressure.
Key Technical Features That Ensure Reliability
The NU2311 EC C3 Double Row Cylindrical Roller Bearing incorporates critical design elements for heavy-duty applications. Its bearing steel construction, hardened to 60-64 HRC, provides exceptional wear resistance and load-bearing capacity. The brass or steel cage ensures stable roller guidance even at high speeds, preventing metal-to-metal contact and extending service life. Vibration grades up to Z3V3 minimize operational noise and ensure smooth rotation, reducing stress on connected components. These features collectively contribute to a bearing that meets ISO industrial standards, guaranteeing compatibility with global equipment specifications.
Long-Term Value: Avoid the Hidden Costs of Substandard Bearings
Choosing inferior bearings may seem cost-effective initially, but the hidden expenses add up quickly. Counterfeit or low-quality bearings often fail within months, leading to unplanned downtime, expensive repairs, and potential damage to surrounding machinery. In contrast, our NU2311 EC C3 Bearing undergoes rigorous quality control—from raw material inspection to full-process production supervision—ensuring each unit meets ISO 9001:2015 standards. With a 12-month warranty and free replacement for qualified defects, we stand behind the reliability of our products, ultimately lowering your total cost of ownership.
Why Global Buyers Choose Saifan Bearings
Our commitment to quality and service has earned us partnerships with industrial buyers across Europe, North America, Southeast Asia, and the Middle East. As a high-tech enterprise with ISO 14001 environmental certification, we prioritize sustainable manufacturing without compromising performance. Our technical R&D team offers free guidance on bearing selection and installation, while flexible order policies—including 1 piece MOQ for standard bearings and 3-5 day sample delivery—cater to both emergency repairs and bulk orders. With in-house laboratory testing for dimensional accuracy, noise, and service life, we ensure every bearing meets your exact specifications.
Packaging & Shipping
- Secure carton pallet packaging to prevent damage during transit
- Sample orders shipped within 3-5 working days; bulk orders within 5-15 working days
- Multiple logistics options including express, air, and sea freight
- Real-time tracking provided for all shipments
- 1 piece MOQ available for standard bearings, ideal for emergency replacements
Get Your NU2311 EC C3 Bearing Today
Don’t let bearing failures disrupt your operations. Whether you need a single replacement or bulk order, our team is ready to assist. Provide your equipment details and quantity requirements, and we’ll deliver the right Double Row Cylindrical Roller Bearing when you need it.
Frequently Asked Questions
Q: Is this bearing genuine and traceable?
A: Yes, all our products undergo strict quality control and are traceable through our production and supply chain processes, compliant with ISO standards.
Q: How can I confirm if the NU2311 EC C3 is suitable for my equipment?
A: Our technical team can assist with选型 based on your equipment model, load requirements, and operating conditions. Provide these details for a free compatibility check.
Q: What is the warranty policy for this bearing?
A: We offer a 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund for qualified issues.
Q: What is the minimum order quantity?
A: Standard bearings like the NU2311 EC C3 have a 1 piece MOQ, supporting both small repairs and large-scale orders.
Q: How long does shipping take?
A: Sample orders ship in 3-5 working days, while bulk orders take 5-15 working days. We offer flexible logistics options to meet your timeline.
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