Cylindrical Roller Bearing
Class
P4 / P2
Origin
DE / SE
Standard
DIN 620
Lead
3-7 Days
<p>Minimize construction machinery downtime with the <strong>Double Row Cylindrical Roller Bearing NU322-EC M C3</strong>, engineered to deliver consistent performance under heavy radial loads. Its brass cage ensures smooth roller guidance and heat dissipation, critical for maintaining precision in high-torque applications like excavator booms and crane turrets.</p><ul><li>Medium-large outer dimensions (120-190mm) provide robust load capacity for construction equipment</li><li>C3 clearance rating accommodates thermal expansion during continuous operation</li><li>60-64 HRC hardness delivers exceptional wear resistance for extended service intervals</li><li>Non-aligning design ensures reliable power transmission in rigid shaft assemblies</li></ul>
Related Keywords
| 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 |
| Trademark | zhaoyun |
| Origin | Jiangsu China |
| HS Code | 8482800000 |
| Industry | Typical Equipment |
|---|---|
| Construction Machinery | Excavators, Loaders, Bulldozers, Cranes |
| Heavy Machinery | Conveyors, Crushers, Mixers, rollers |
Construction machinery operators know the frustration of unexpected downtime—especially when caused by bearing failures. Replacement parts often come with long lead times, forcing projects to stall while waiting for critical components. Sourcing from multiple suppliers complicates logistics further, with inconsistent quality standards raising the risk of premature failures and costly repairs.
Our NU322-EC M C3 Double Row Cylindrical Roller Bearing with Brass Cage addresses these challenges directly. As an official authorized distributor, we maintain sufficient stock of high-precision bearings, ensuring your construction machinery gets the right part when needed. The separated design and brass cage make installation and maintenance straightforward, while the C3 clearance rating accommodates thermal expansion in heavy-duty operating conditions—ideal for excavators, loaders, and other construction equipment.
This Double Row Cylindrical Roller Bearing excels in applications with high radial loads and moderate axial displacement, common in construction machinery gearboxes and axles. The 60-64 HRC hardness ensures resistance to wear under continuous heavy use, while the non-aligning design provides stability in rigidly mounted systems. Whether facing dust, vibration, or varying temperatures, this bearing delivers consistent performance to keep your equipment operational.
The NU322-EC M C3’s brass cage offers superior strength and heat dissipation compared to steel alternatives, critical for maintaining lubrication integrity during extended operation. Its separated inner and outer rings simplify mounting, reducing assembly time and labor costs. The C3 clearance grade is specifically chosen to balance load distribution and thermal management, preventing premature failure in high-torque applications. Vibration levels (Z1V1 to Z3V3) can be selected based on equipment sensitivity, ensuring smooth operation even in precision-required systems.
Choosing authentic Construction Machinery Bearings over counterfeit alternatives directly impacts your bottom line. Counterfeit bearings often fail within months, leading to repeated replacements, unplanned downtime, and potential damage to adjacent components. Our bearings, compliant with ISO 9001 standards, undergo rigorous precision testing before shipment, ensuring they meet the load and speed requirements of construction equipment. The initial investment in genuine parts reduces long-term costs by minimizing maintenance and maximizing equipment uptime.
With dual European brand official authorization and a precision-oriented inspection system, we stand behind every bearing we supply. Our senior application engineers provide expert guidance to ensure proper选型, while our premium shockproof logistics guarantee your NU322-EC M C3 Brass Cage Bearing arrives in optimal condition. Serving over 800 clients across 45+ countries, we have the global network and local expertise to support your construction projects, whether you need a single replacement or bulk procurement.
Don’t let bearing issues delay your construction timeline. Send us your equipment details, required quantity, and delivery location, and our team will provide a quote within one working day. With our ready stock and efficient logistics, you can minimize downtime and keep your machinery running.
Q: Are these genuine bearings?
A: Yes, as an official authorized distributor, all our products are sourced from legitimate supply chains and come with complete certification documents.
Q: How do I confirm if this bearing fits my equipment?
A: Provide your machinery model or existing bearing designation, and our senior application engineers will verify compatibility at no cost.
Q: What is your warranty policy?
A: We adhere to manufacturer warranty standards, offering unconditional replacement for any manufacturing defects.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, ideal for emergency maintenance situations.
Q: How long does shipping take?
A: In-stock items are typically shipped within 3-7 working days, with multiple logistics options to meet your timeline.
Q: How can I verify the authenticity of the bearing?
A: Each bearing comes with original packaging and documentation. We can provide additional traceability information upon request to confirm authenticity.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
Cylindrical Roller Bearing
Cylindrical Roller Bearing
Cylindrical Roller Bearing
Cylindrical Roller Bearing
Submit your inquiry for Double Row Cylindrical Roller Bearing NU322-EC M C3 with Brass Cage for Construction Machinery and our senior application engineers will respond within 12 hours with pricing, availability, and technical documentation.
Authorized European Stock
Genuine FAG & SKF, traceable certificates
Reply Within 12 Hours
Senior engineers, multi-language support
Full Certification Docs
ISO 9001, DIN 620, material certs available