Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
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100% Genuine SKF
Full Traceability
ISO 9001 Certified
SKF Authorized
Cylindrical Roller Bearing
Double Row Cylindrical Roller Bearing NU320 EC ML/C3 for Industrial Equipment Fitting
Double Row Cylindrical Roller Bearing NU320 EC ML/C3 for Industrial Equipment Fitting
In Stock · Ready to Ship
<p>Ensure seamless industrial equipment operation with the <strong>Double Row Cylindrical Roller Bearing NU320 EC ML/C3</strong>, engineered to deliver exceptional radial load capacity and precise alignment for heavy-duty machinery. Its C3 clearance design accommodates thermal expansion in high-temperature environments, reducing downtime risks while maintaining consistent performance under variable loads.</p><ul><li>Separated inner ring construction allows for easy mounting and dismounting, streamlining maintenance workflows and minimizing production interruptions</li><li>60-64 HRC hardness ensures long-term durability, supporting stable bulk supply needs without compromising on quality or traceability</li><li>Brass/steel cage options provide tailored solutions for specific industrial scenarios, backed by our SKF-certified technical team for optimal model selection and installation guidance</li></ul>
Bore (d)
--
Outer Dia. (D)
--
Width (B)
--
Dynamic C
--
Static C₀
--
Speed Limit
--
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
Full Specifications
Complete Technical Parameters
Double Row Cylindrical Roller Bearing NU320 EC ML/C3 for Industrial Equipment Fitting -- Parameter Sheet
SKF · Cylindrical Roller Bearing
| 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 (C₀) | -- | 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. | -- | -- |
* All specifications are reference values. Contact our SKF engineers for application-specific confirmation.
Application Scenarios
Compatible Industrial Applications
Engineered for demanding industrial environments, this SKF bearing series delivers reliable performance across a wide range of heavy-duty and precision applications.
Power Generation
Wind turbines, generators, gearboxes, and turbine main shafts.
Heavy Machinery
Cranes, presses, rolling mills, and large industrial gearboxes.
Marine & Offshore
Ship propulsion systems, deck machinery, and offshore platforms.
Cement & Construction
Kiln drives, ball mills, bucket elevators, and vibrating screens.
Pulp & Paper
Paper machine rolls, dryer sections, and calender rolls.
Full Portfolio
One-Stop SKF Supporting Solutions
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Bearings: Deep Groove · Spherical · Cylindrical · Tapered · Thrust · Angular Contact
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Sealing: Radial shaft seals · V-rings · Labyrinth seals · Bearing isolators
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Lubrication: LGMT 2/3 grease · Automatic lubricators · Centralized systems
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Mounting Tools: Induction heaters · Fitting kits · TMFT 36 · Alignment tools
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Housings: Plummer blocks · Flanged housings · Split housings · Adaptor sleeves
Need Application Advice?
SKF-Certified Engineer
Selection · Failure analysis · Technical support
Technical Expertise
SKF Global Standards & Supporting Solutions
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.
Internal Design
SKF E1 Geometry
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.
ISO / ABEC Standards
Precision Tolerance
Manufactured to ISO P0-P6 tolerance classes. Dimensional accuracy and running accuracy are 100% verified before shipment, with full batch traceability records.
SKF Sealing Systems
Sealing Solutions
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.
SKF Lubrication Systems
Lubrication Planning
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.
SKF Maintenance Tools
Mounting & Alignment
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.
Predictive Maintenance
Condition Monitoring
SKF Microlog and Enlight sensors for vibration, temperature, and speed monitoring. Enable predictive maintenance strategies to minimize unplanned downtime and optimize bearing replacement intervals.
Product Details
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 |
|---|---|
| General Machinery | Gearboxes, Pumps, Compressors, Electric Motors |
| Industrial Manufacturing | CNC Machines, Conveyors, Material Handling Equipment |
| Heavy Industry | Rolling Mills, Crushers, Extruders |
Stop Production Delays with Reliable NU320 EC ML/C3 Double Row Cylindrical Roller Bearings
Industrial equipment OEMs and maintenance teams know the frustration: counterfeit bearings fail prematurely, causing unexpected downtime. Multi-tier distribution channels stretch lead times by 30-50%, leaving production lines idle. Even genuine parts often lack the technical support needed to ensure proper installation and maximize service life.
Genuine Double Row Cylindrical Roller Bearings with Full Traceability
As an official SKF authorized distributor, we provide the NU320 EC ML/C3 Double Row Cylindrical Roller Bearing with complete traceability documentation. Our large centralized warehouse ensures stock availability for quick emergency delivery, eliminating the delays caused by traditional supply chains. This Industrial Equipment Bearing is designed for reliable performance in gearboxes, electric motors, and material handling equipment where axial load capacity and rigidity are critical.
Engineered for Heavy-Duty Industrial Applications
The NU320 EC ML/C3 Bearing excels in applications with high radial loads and moderate axial loads, such as in conveyor systems and industrial gearboxes. Its separated design allows for easy mounting and dismounting, simplifying maintenance. The C3 clearance rating provides optimal performance in operating conditions where temperature variations or shaft expansion may occur, ensuring consistent operation even under fluctuating thermal conditions.
Technical Features That Ensure Long-Term Performance
The bearing's 60-64 HRC hardness ensures exceptional wear resistance, extending service life in demanding environments. Available with brass or steel cages, it offers flexibility to match specific application requirements—brass cages provide higher strength for heavy loads, while steel cages offer cost-effectiveness for standard operations. Vibration classes Z1V1 to Z3V3 allow selection based on noise and precision needs, with higher classes reducing operational vibration in sensitive equipment. The separated inner and outer rings facilitate easy assembly, reducing installation time and potential errors.
Avoid Hidden Costs of Counterfeit Cylindrical Roller Bearings
Non-genuine bearings may seem cost-effective initially, but they often lead to increased total cost of ownership. Early failures cause production downtime, with average losses of $2,000-$5,000 per hour in manufacturing settings. Incomplete traceability documents can result in customs clearance delays for exported equipment, while quality disputes may lead to liability issues. Our 100% genuine SKF bearings, backed by ISO 9001 compliance, eliminate these risks and ensure consistent batch quality.
Why Industrial Buyers Choose Our Bearing Solutions
With over 60 countries served and a SKF-certified technical team, we deliver more than just products. Our full-process quality management includes pre-shipment inspection to ensure every bearing meets SKF global standards. Dedicated account managers provide end-to-end support, from initial选型 to after-sales technical assistance. Our global door-to-door logistics network ensures reliable delivery, whether you need a single unit for emergency repair or bulk orders for OEM production. As a vertical distributor, we cut out unnecessary middlemen, offering competitive pricing without compromising on service or authenticity.
Packaging & Shipping
- Secure carton pallet packaging to prevent damage during transit
- 现货 available for delivery within 3-7 working days
- Flexible shipping options including DHL, FedEx, UPS, air, and sea freight
- Real-time tracking provided for all shipments
- Minimum order quantity of 1 unit, supporting both emergency repairs and small-batch procurement
Get Your NU320 EC ML/C3 Bearing Shipped Today
Every hour of equipment downtime impacts your bottom line. Whether you need to replace a failed bearing or stock up for planned maintenance, our streamlined process ensures quick response. Send us your bearing designation, application details, and quantity, and we’ll provide a formal quotation with traceability certificates within 24 hours.
Frequently Asked Questions
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 the NU320 EC ML/C3 is suitable for my equipment?
A: Our SKF-certified technical team can assist with选型. Provide your equipment model, operating conditions (load, speed, temperature), and we’ll verify compatibility at no cost.
Q: What is your warranty policy?
A: We adhere to SKF’s原厂质保 standards. Any manufacturing defects will be addressed with a full replacement or refund.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, making us ideal for emergency repairs as well as bulk OEM requirements.
Q: How long does shipping take?
A: 现货 items are shipped within 3-7 working days. Logistics options include DHL, FedEx, UPS, air freight, and sea freight, with tracking provided for all shipments.
Q: How can I verify the bearing’s authenticity upon receipt?
A: Each bearing includes SKF’s standard packaging with防伪标签 and laser marking. We also provide full traceability documents that can be cross-verified through official channels.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
Authenticity & Warranty
Genuine SKF Traceability & Quality Commitment
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.
SKF Certificate of Origin
Every shipment includes official SKF certification of origin, verifying product authenticity and manufacturing source.
Batch Traceability Records
Full production batch traceability maintained for minimum 5 years. Enables quality audit and failure investigation.
SKF Authorized Distributor Status
Verified annually by SKF. Our authorized status can be confirmed directly through the SKF distributor verification system.
Quality Warranty
All products carry SKF manufacturer warranty. Defective products are replaced or refunded -- no questions asked.
Anti-Counterfeit Verification
SKF QR code and holographic seal on every package. Verify authenticity instantly via SKF's official verification portal.
Authorized Distributor
DY
Shanghai Dunyu Bearing
Official SKF Authorized Distributor
- Auth. Since
- 2010+
- Quality Std.
- ISO 9001
- Coverage
- Full SKF Portfolio
- Verification
- SKF Global Portal
ISO 9001
SKF Authorized
Full Traceability
Logistics & Packaging
Packaging & Global Shipping
Original SKF Packaging
All products shipped in original SKF packaging with anti-counterfeit seal, QR code, and batch label intact.
Export Carton + Wooden Crate
Standard export carton for small orders. Custom wooden crates with moisture-proof lining for large/heavy shipments.
Multi-Modal Shipping
Sea freight (FCL/LCL), air freight, and express (DHL/FedEx/UPS). DDP, DAP, CIF, FOB terms all supported.
Delivery Timeline
In-stock items: 1-3 days dispatch. Air freight: 3-7 days door-to-door. Sea freight: 15-35 days by destination.
Shipping Terms & Regions
| 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 |
Related Products
Related Models & Supporting Components
FAQ
Frequently Asked Questions
How do I verify the product is 100% genuine SKF?
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.
What is the minimum order quantity (MOQ)?
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.
How long does it take to receive a formal quotation?
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.
Do you support DDP (Delivered Duty Paid) shipping?
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.
Can you provide technical support for bearing selection?
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.
What are the payment terms?
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.
What happens if I receive a defective product?
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 →
Start Your Procurement
Get a Formal Quote
Within 24 Hours.
Send us your bearing model, quantity, and delivery requirements. Our SKF-certified team will respond with a formal quotation, traceability certificate, and logistics plan.
- 100% Genuine SKF with Certificate of Origin
- Formal quotation within 24 hours
- Sample orders & bulk supply supported
- DDP/DAP/CIF to 60+ countries
- Dedicated SKF-certified account manager
Send Inquiry -- SKF Bearing Specialist Online