Class
P4 / P2
Origin
DE / SE
Standard
DIN 620
Lead
3-7 Days
Cylindrical Roller Bearing
In Stock
Double Row Cylindrical Roller Bearing NU320 EC ML/C3 for Construction Machinery with C3 Clearance
ISO 9001 · DIN Certified
<p>Minimize construction machinery downtime with the <strong>Double Row Cylindrical Roller Bearing NU320 EC ML/C3</strong>, engineered to deliver consistent performance under heavy radial loads. Its C3 clearance ensures optimal heat dissipation during continuous operation, while the separated inner ring design allows for quick on-site maintenance—eliminating the need for full disassembly when adjustments are needed.</p><ul><li>Constructed with high-grade bearing steel (60-64 HRC hardness) for extended service life in harsh job site conditions</li><li>Brass or steel cage options accommodate varying speed requirements, ensuring smooth rotation even under dynamic loads</li><li>Compliant with precision standards to reduce vibration (Z1V1-Z3V3 ratings available), protecting sensitive equipment components</li></ul>
Technical Specifications
- Type
- Cylindrical Roller Bearing
- Precision Class
- P4 / P2
- Certification
- ISO 9001
- Radial Runout
- ≤ 1.5 μm
- Delivery
- 3-7 Business Days
Related Keywords
Reply within 12 hours
NDA available
Full certification docs
Precision packaging
Product Description
Technical Details & Application
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 Machinery | Excavators, Loaders, Bulldozers, Cranes |
| Mining | Conveyors, Crushers, Drilling Rigs |
| Heavy Industry | Rolling Mills, Press Machines, Industrial Gearboxes |
Minimize Downtime with NU320 EC ML/C3 Double Row Cylindrical Roller Bearing for Construction Machinery
Construction machinery operators face critical challenges when bearings fail prematurely—unplanned downtime halts project timelines, emergency repairs inflate costs, and inconsistent quality across suppliers complicates maintenance scheduling. The NU320 EC ML/C3 Double Row Cylindrical Roller Bearing addresses these pain points directly, offering reliable performance in heavy-duty applications where equipment reliability is non-negotiable.
NU320 EC ML/C3: Engineered for Construction Machinery’s Toughest Conditions
Designed specifically for construction machinery, this Double Row Cylindrical Roller Bearing delivers the robustness needed to withstand high radial loads and shock impacts common in excavators, loaders, and cranes. As an official authorized distributor, we maintain sufficient stock of precision bearings like the NU320 EC ML/C3, ensuring you avoid long lead times that delay repairs. Each unit undergoes rigorous inspection through our ISO 9001 and DIN compliant testing procedures, guaranteeing it meets the exacting standards required for construction equipment.
Optimal Performance in Heavy-Duty Applications
The NU320 EC ML/C3 excels in applications involving continuous heavy loads and moderate speeds, typical in construction machinery gearboxes and axle systems. Its separated design allows for easy mounting and dismounting during maintenance, reducing service time. The C3 clearance rating provides extra radial play to accommodate thermal expansion and shaft deflection, critical in outdoor construction environments where temperature variations are significant. This bearing’s ability to handle axial loads in one direction makes it ideal for equipment subject to thrust forces during operation.
Technical Features That Ensure Longevity
Key technical attributes of the NU320 EC ML/C3 directly contribute to its performance: the 60-64 HRC hardness rating of the bearing steel ensures excellent wear resistance under heavy loads, while the brass or steel cage options provide stability at different operating speeds. The Z1V1 to Z3V3 vibration classes allow selection based on noise and precision requirements, with higher grades suitable for equipment where smooth operation is essential. The separated inner and outer rings facilitate proper alignment during installation, a critical factor in maximizing bearing lifespan and preventing premature failure in construction machinery.
Avoid Hidden Costs: The Value of Certified Bearings
Choosing non-certified bearings for construction machinery carries substantial risks—early failure can lead to costly equipment damage, project delays, and safety hazards. Counterfeit bearings often lack proper material heat treatment, resulting in hardness inconsistencies that cause uneven wear and sudden breakdowns. Our NU320 EC ML/C3 bearings come with full certification documents, ensuring traceability and compliance with international quality standards. While upfront costs may be higher than uncertified alternatives, the reduced maintenance expenses and extended service life result in lower total cost of ownership over time.
Why Construction Professionals Trust Our Bearings
Our standing as an official authorized distributor for premium European bearing brands ensures every NU320 EC ML/C3 bearing meets strict quality criteria. With over 800 clients across 45+ countries, including major construction equipment manufacturers, we bring extensive industry experience to every order. Our senior application engineers provide technical support for proper bearing selection and installation, while our precision testing procedures verify dimensions, clearance, and material quality before shipment. We offer centralized procurement solutions, allowing you to source all necessary bearings and components through a single supplier, reducing coordination efforts and ensuring consistent quality across your equipment fleet.
Packaging & Shipping
- Secure carton pallet packaging with protective cushioning to prevent damage during transit
- Stock availability for prompt delivery—typically 3-7 business days for in-stock items
- Flexible shipping options including DHL, FedEx, UPS, air freight, and sea freight
- Real-time logistics tracking provided for all shipments
- Low minimum order quantity of 1 unit, supporting emergency repair needs
Get Your NU320 EC ML/C3 Bearing Today
Don’t let equipment downtime derail your construction projects. The NU320 EC ML/C3 Double Row Cylindrical Roller Bearing is in stock and ready to ship, ensuring minimal disruption to your operations. Whether you need a single replacement bearing or a bulk order for scheduled maintenance, our streamlined procurement process guarantees quick response and reliable delivery.
Frequently Asked Questions
Q: Are these NU320 EC ML/C3 bearings genuine?
A: Yes, we are an official authorized distributor, and every bearing can be traced to the original manufacturer. We provide complete authorization and quality inspection documents with each order.
Q: How do I confirm if this bearing fits my construction equipment?
A: Provide your equipment model or existing bearing designation, and our senior application engineers will verify compatibility and provide technical recommendations at no cost.
Q: What is the warranty policy for this bearing?
A: We stand behind the quality of all products. Manufacturing defects are covered under the original manufacturer’s warranty, with unconditional replacement or refund available for verified issues.
Q: What is the minimum order quantity for the NU320 EC ML/C3?
A: We accept orders for 1 unit, making it easy to source emergency replacement bearings for critical equipment repairs.
Q: How quickly can I receive my order?
A: In-stock bearings ship within 3-7 business days. We offer expedited shipping options for urgent requirements, with tracking information provided once your order is dispatched.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Each bearing comes with original packaging and documentation. You can cross-check the serial number with the manufacturer’s database, and we provide additional inspection reports upon request to confirm authenticity.
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Submit your inquiry for Double Row Cylindrical Roller Bearing NU320 EC ML/C3 for Construction Machinery with C3 Clearance and our senior application engineers will respond within 12 hours with pricing, availability, and technical documentation.
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ISO 9001, DIN 620, material certs available