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 |
Stop Construction Delays with Reliable Nu320 Ec M/C3 Double Row Cylindrical Roller Bearings
Construction machinery downtime costs more than just repair bills—every hour of inactivity delays project deadlines and erodes profit margins. Many contractors face recurring issues with bearings failing prematurely due to poor quality or incorrect specifications, especially in high-load applications like excavator arms and loader transmissions. Sourcing replacement parts often means juggling multiple suppliers, each with different lead times and quality standards, further prolonging equipment recovery.
ISO 9001 Certified Bearings for Heavy-Duty Construction Applications
Our Double Row Cylindrical Roller Bearing Nu320 Ec M/C3 is engineered to address these challenges, combining European precision with American heavy-duty performance. As an official authorized distributor of SKF & Timken, we ensure every bearing meets strict ISO 9001 quality standards through our unified inspection system. With a large centralized inventory, we can fulfill urgent orders for construction machinery components, reducing downtime for critical equipment like hydraulic excavators and mobile cranes.
Optimized Performance in Demanding Construction Environments
This Double Row Cylindrical Roller Bearing excels in applications with high radial loads and moderate axial displacement, common in construction machinery gearboxes and axle systems. Its separated design allows for easy installation and maintenance, even in the field, while the medium-large outer dimension (120-190mm) provides the structural integrity needed to withstand shock loads from uneven terrain. The bearing’s 60-64 HRC hardness ensures resistance to wear, extending service life in dusty, high-vibration environments typical of construction sites.
Key Technical Features That Maximize Equipment Uptime
The Nu320 Ec M/C3 bearing’s C3 clearance rating is specifically optimized for thermal expansion in high-temperature operations, preventing seizure during prolonged use. Its brass or steel cage options balance durability and weight, maintaining roller alignment under dynamic loads. The Z1V1 to Z3V3 vibration classes allow customization based on noise sensitivity—critical for operator comfort in enclosed cabs. Additionally, the bearing’s axial load capacity makes it suitable for applications with thrust forces, such as swing mechanisms in excavators.
Why Genuine Bearings Lower Total Construction Costs
Choosing certified bearings over counterfeit alternatives directly impacts your bottom line. Substandard bearings often fail within months, requiring repeated replacements and unplanned maintenance. A single bearing failure in a construction machine can cost thousands in lost productivity, not to mention repair labor and replacement parts. Our ISO 9001 certified Double Row Cylindrical Roller Bearings for Construction Machinery are backed by rigorous quality checks, ensuring consistent performance and reducing the risk of catastrophic equipment failure.
Why Construction Buyers Trust Our Bearing Solutions
With over 1,200 clients across 55+ countries, including major infrastructure EPC teams and mining contractors, we’ve built a reputation for reliability. Our dual-brand authorization means we can source and verify bearings from the industry’s most trusted manufacturers, providing complete traceability for every component. Our cross-brand technical team offers free application support, helping you select the right bearing for specific machinery models. We simplify procurement with one-stop mixed ordering, consolidated delivery, and dedicated account managers to handle all documentation—from quality certificates to export paperwork.
Packaging & Shipping
- Secure carton pallet packaging with protective cushioning to prevent damage during transit
- Expedited handling for urgent orders, with most in-stock bearings shipped within 3-7 business days
- Flexible logistics options including DHL, FedEx, UPS, air freight, and sea freight to match project timelines
- Real-time tracking provided for all shipments, allowing precise delivery scheduling
- Minimum order quantity of 1 unit, ideal for emergency repairs or small-batch maintenance
Get Your Nu320 Ec M/C3 Bearing Shipped Today
Don’t let equipment downtime derail your construction schedule. Whether you need a single replacement bearing or a bulk order for upcoming projects, our team can provide a detailed quote within 24 hours. Send us your bearing designation, equipment model, and quantity requirements, and we’ll ensure you receive the right part—on time and fully certified.
Frequently Asked Questions
Q: Are these Nu320 Ec M/C3 bearings genuine and traceable?
A: Yes, as an official authorized distributor of SKF & Timken, we guarantee all bearings are sourced from original manufacturers. Each product comes with complete traceability documentation and authorization certificates.
Q: How do I confirm if this bearing fits my construction machinery?
A: Provide your equipment model, application (e.g., excavator swing gearbox), and operating conditions. Our technical team will verify compatibility and recommend the optimal bearing specifications.
Q: What is your warranty policy for these bearings?
A: We adhere to the original manufacturer’s warranty terms, covering manufacturing defects with unconditional replacement or refund. Our ISO 9001 inspection process minimizes quality-related issues.
Q: Can I order just one bearing for an emergency repair?
A: Yes, we accept orders of 1 unit to support urgent maintenance needs, with no minimum quantity requirements for standard stock items.
Q: How long does shipping take to my location?
A: In-stock bearings are typically shipped within 3-7 business days. Delivery time depends on your location—express options like DHL/FedEx offer 3-5 day delivery to most global destinations, while sea freight is available for large orders.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Authentic bearings include original packaging with manufacturer logos, laser-etched part numbers, and security labels. We also provide certification documents and can assist with manufacturer verification processes if needed.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
