Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Boost your machinery's reliability with the <strong>Double Row Cylindrical Roller Bearing NU220 EC ML/C3</strong>, engineered to deliver consistent performance in high-load industrial environments. Its separated inner/outer ring design simplifies installation and maintenance, while the brass cage ensures heat resistance for extended service life—perfect for keeping production lines running smoothly even under demanding conditions.</p><ul><li>C3 clearance provides optimal radial play to accommodate thermal expansion, reducing premature wear in variable operating temperatures</li><li>60-64 HRC hardness rating guarantees durability for heavy-duty applications in automotive, machinery, and rail transit sectors</li><li>Backed by full traceability documentation and direct OEM support, ensuring compliance with global quality standards and minimizing supply chain disruptions</li></ul>
Compatible with: Housings, adaptor sleeves, locking devices, SKF LGMT 2/3 grease, induction heaters, and SKF TMFT 36 fitting tools.
Formal quotation with SKF traceability cert within 24 hours · Sample orders available
24h Response
Quotation & Cert
60+ Countries
DDP/DAP/CIF
ISO 9001
Quality Certified
| Parameter | Value | Unit / Note |
|---|---|---|
| Bearing Series | -- | Cylindrical Roller Bearing |
| Bore Diameter (d) | -- | mm |
| Outer Diameter (D) | -- | mm |
| Width / Height (B) | -- | mm |
| Dynamic Load Rating (C) | -- | kN |
| Static Load Rating (Câ‚€) | -- | kN |
| Fatigue Limit Load (Pu) | -- | kN |
| Reference Speed | -- | r/min |
| Limiting Speed | -- | r/min |
| Mass | -- | kg |
| Clearance Class | C3 | ISO 281 |
| Cage Material | -- | -- |
| Sealing / Shield | -- | -- |
| Lubrication | Grease / Oil bath | -- |
| Operating Temp. Range | −30 to +120 °C | -- |
| Vibration Level | SKF E1 / Standard | -- |
| Misalignment Tolerance | -- | ° |
| Fit Recommendation (shaft) | -- | ISO |
| Fit Recommendation (housing) | -- | ISO |
| Replacement / Cross Ref. | -- | -- |
Engineered for demanding industrial environments, this SKF bearing series delivers reliable performance across a wide range of heavy-duty and precision applications.
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
Wind turbines, generators, gearboxes, and turbine main shafts.
Cranes, presses, rolling mills, and large industrial gearboxes.
Ship propulsion systems, deck machinery, and offshore platforms.
Kiln drives, ball mills, bucket elevators, and vibrating screens.
Paper machine rolls, dryer sections, and calender rolls.
Need Application Advice?
SKF-Certified Engineer
Selection · Failure analysis · Technical support
Every SKF bearing supplied by Dunyu Bearings adheres to SKF's global engineering standards -- from material science and heat treatment to precision tolerancing and noise classification.
Optimized internal geometry reduces friction and heat generation, extending service life by up to 50% compared to conventional designs. Ideal for high-speed and high-temperature applications.
Manufactured to ISO P0-P6 tolerance classes. Dimensional accuracy and running accuracy are 100% verified before shipment, with full batch traceability records.
Comprehensive sealing options: open, shielded (Z/2Z), rubber sealed (RS/2RS), and labyrinth variants. SKF V-rings and radial shaft seals available as integrated solutions.
LGMT 2/3 general purpose grease for most applications. LGEP 2 for heavy loads, LGHP 2 for high temperatures. SKF automatic lubricators (SYSTEM 24) for continuous re-lubrication.
Correct mounting is critical. SKF TMFT 36 fitting tool kit, induction heaters (TIH 030M/100M), and laser alignment tools ensure damage-free installation and maximum service life.
SKF Microlog and Enlight sensors for vibration, temperature, and speed monitoring. Enable predictive maintenance strategies to minimize unplanned downtime and optimize bearing replacement intervals.
| Parameter | Details |
|---|---|
| Model Designation | NU220 EC ML/C3 |
| Bearing Type | Double Row Cylindrical Roller Bearing |
| Outer Dimension Range | Medium and Large(120-190mm) |
| Material | Bearing Steel |
| Alignment | Non-Aligning Bearings |
| Load Direction | Axial Bearing |
| Separable Design | Separated |
| Clearance | C0 C2 C3 C4 C5 |
| Cage Material | Brass, Steel |
| Vibration Class | Z1V1 Z2V2 Z3V3 |
| Hardness | 60-64 HRC |
| Transport Package | Carton Pallet |
| HS Code | 8482800000 |
| Industry | Typical Equipment |
|---|---|
| General Machinery | Electric Motors, Gearboxes, Pumps, Fans |
| Industrial Manufacturing | Conveyors, Compressors, Machine Tools |
| Heavy Industry | Rolling Mills, Crushers, Material Handling Equipment |
| Automotive Production | Assembly Line Machinery, Transmission Systems |
Industrial equipment operators know the frustration of unplanned shutdowns caused by bearing failures. When counterfeit bearings slip through procurement channels, they often fail prematurely under load, costing hours of production time and thousands in repair costs. Sourcing genuine bearings with proper documentation can be equally challenging, with multi-tier distributors extending lead times by 30-50% and compromising batch consistency.
As an official SKF distributor, Dunyu Bearings delivers the NU220 EC ML/C3 Double Row Cylindrical Roller Bearing with complete traceability documentation, eliminating customs clearance obstacles and quality disputes. Our large centralized warehouse maintains ready stock of industrial equipment bearings, ensuring your production line stays operational with minimal lead time. Whether for gearboxes, electric motors, or conveyor systems, this separated cylindrical bearing provides the reliability OEM manufacturers require.
The NU220 EC ML/C3 thrives in high-load industrial environments where radial and axial forces combine. With its brass cage and separated design, this bearing excels in applications requiring frequent mounting and dismounting, such as maintenance-intensive machinery. The C3 clearance rating accommodates thermal expansion in high-temperature operations, making it ideal for continuous-duty equipment in steel mills, manufacturing plants, and heavy industry.
The 60-64 HRC hardness of the bearing steel ensures exceptional wear resistance under cyclic loading, extending service life in high-stress applications. The brass cage construction provides superior strength and heat dissipation compared to polymer alternatives, maintaining dimensional stability at operating temperatures up to 120°C. With Z3V3 vibration class, this bearing minimizes noise and vibration in precision machinery, reducing energy consumption and improving operator comfort. The separated inner and outer rings allow for easy mounting, simplifying maintenance procedures and reducing downtime during replacements.
Non-genuine C3 clearance bearings may initially cost less, but they often lack the material quality and manufacturing precision of authentic components. This leads to premature failure, which can damage adjacent machinery parts and create safety hazards. In contrast, our genuine NU220 EC ML/C3 bearings meet ISO 9001 and SKF global standards, ensuring consistent performance and predictable service life. When calculating total cost of ownership, the reliability of genuine bearings far outweighs the risks of gray-market alternatives.
We serve over 60 countries worldwide, providing industrial equipment OEMs with a complete SKF product portfolio backed by official authorization. Our SKF-certified technical team offers free model selection support based on operating conditions, ensuring optimal bearing performance. With door-to-door global logistics, we deliver bulk orders with stable supply cycles that align with your production scheduling. Each bearing comes with full traceability documentation, supporting your export compliance requirements and quality management systems.
Every hour of equipment downtime erodes your production targets and profitability. With our NU220 EC ML/C3 Double Row Cylindrical Roller Bearings in stock and ready to ship, you can minimize procurement lead times and maintain operational continuity. Send your order details now to secure genuine bearings that meet your exact specifications.
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every bearing comes with complete traceability documentation to verify authenticity, including brand authorization certificates.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment model or operating parameters (load, speed, temperature), and our SKF-certified technical team will verify compatibility and provide free selection guidance.
Q: What is your warranty policy?
A: All bearings come with the standard SKF manufacturer warranty, covering manufacturing defects with unconditional replacement or refund.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, supporting both emergency maintenance and small-batch procurement needs.
Q: How quickly can you ship the NU220 EC ML/C3 bearing?
A: In-stock bearings ship within 3-7 business days via your preferred logistics method (DHL, FedEx, UPS, air, or sea freight).
Q: How can I verify the bearing's authenticity upon receipt?
A: Each bearing includes SKF's original packaging withé˜²ä¼ªæ ‡ç¾, laser-etched part numbers, and serial codes verifiable through SKF's official channels. We also provide full traceability documentation with each order.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
As an officially authorized SKF distributor, every bearing we supply carries full documentation from SKF's global manufacturing network -- with complete batch traceability from factory to your facility.
Every shipment includes official SKF certification of origin, verifying product authenticity and manufacturing source.
Full production batch traceability maintained for minimum 5 years. Enables quality audit and failure investigation.
Verified annually by SKF. Our authorized status can be confirmed directly through the SKF distributor verification system.
All products carry SKF manufacturer warranty. Defective products are replaced or refunded -- no questions asked.
SKF QR code and holographic seal on every package. Verify authenticity instantly via SKF's official verification portal.
Authorized Distributor
Shanghai Dunyu Bearing
Official SKF Authorized Distributor
ISO 9001
SKF Authorized
Full Traceability
All products shipped in original SKF packaging with anti-counterfeit seal, QR code, and batch label intact.
Standard export carton for small orders. Custom wooden crates with moisture-proof lining for large/heavy shipments.
Sea freight (FCL/LCL), air freight, and express (DHL/FedEx/UPS). DDP, DAP, CIF, FOB terms all supported.
In-stock items: 1-3 days dispatch. Air freight: 3-7 days door-to-door. Sea freight: 15-35 days by destination.
| Region | Mode | Transit Time | Incoterms |
|---|---|---|---|
| Europe | Sea / Air / Express | 15-25d / 5-7d / 3-5d | DDP · DAP · CIF · FOB |
| North America | Sea / Air / Express | 20-30d / 5-8d / 3-5d | DDP · DAP · CIF · FOB |
| Southeast Asia | Sea / Air / Express | 7-15d / 3-5d / 2-4d | DDP · DAP · CIF · FOB |
| Middle East | Sea / Air / Express | 15-25d / 4-7d / 3-5d | DDP · DAP · CIF · FOB |
| Other Regions | Sea / Air / Express | Upon Confirmation | FOB · CIF · Negotiable |
Every product we supply comes with original SKF packaging including an anti-counterfeit holographic seal and QR code. You can scan the QR code on the SKF official website to verify authenticity. We also provide the SKF Certificate of Origin with every shipment, and our authorized distributor status can be verified directly through SKF's global distributor portal.
There is no strict minimum order quantity for standard catalog items. We support single-piece sample orders for testing and evaluation. For bulk procurement and long-term supply programs, we offer preferential pricing and dedicated inventory reservation. Contact our sales team for a customized procurement plan.
We guarantee a formal quotation with full SKF traceability certification within 24 business hours of receiving your inquiry. For urgent requirements, our team can typically respond within 2 hours during business hours (Mon-Sat, 9:00-18:00 GMT+8). Contact us via WhatsApp for fastest response.
Yes, we fully support DDP, DAP, CIF, and FOB incoterms across 60+ countries. Our logistics team handles all export documentation, customs clearance, and last-mile delivery. We work with leading freight forwarders and express carriers (DHL, FedEx, UPS) to ensure reliable and timely delivery.
Absolutely. Our SKF-certified engineers provide comprehensive technical support including bearing selection, application analysis, failure investigation, and lubrication planning. We can also assist with housing selection, mounting tool recommendations, and condition monitoring solutions. Technical support is available 24/7 via email and WhatsApp.
We accept T/T (bank transfer), L/C (letter of credit) for large orders, and Western Union. Standard terms are 30% deposit with 70% balance before shipment. For established long-term customers with framework agreements, we offer net payment terms. All transactions are conducted in USD or EUR.
All products carry the full SKF manufacturer warranty. In the unlikely event of a defective product, we will arrange replacement or full refund -- no questions asked. Our quality team will also conduct a failure analysis to identify the root cause and prevent recurrence. Please retain the original packaging and documentation for warranty claims.
Still have questions? Chat with our SKF engineers →
Send us your bearing model, quantity, and delivery requirements. Our SKF-certified team will respond with a formal quotation, traceability certificate, and logistics plan.