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 M/C3 for Industrial OEM Machinery
Double Row Cylindrical Roller Bearing Nu320 Ec M/C3 for Industrial OEM Machinery
In Stock · Ready to Ship
<p>Ensure uninterrupted industrial machinery performance with the <strong>SKF NU320 EC M/C3 Double Row Cylindrical Roller Bearing</strong>, a precision-engineered solution that eliminates costly downtime from misalignment and load stress. Its C3 clearance and separable design simplify installation and maintenance, while the 60-64 HRC bearing steel hardness delivers exceptional durability for high-torque applications in OEM equipment.</p><ul><li>Non-aligning construction maintains stability under radial loads, critical for production line consistency</li><li>Brass/steel cage options accommodate varying operating speeds, ensuring optimal performance in diverse industrial scenarios</li><li>Direct from authorized SKF distributor for full traceability, eliminating risks of counterfeit parts and compliance issues</li></ul>
Bore (d)
--
Outer Dia. (D)
--
Width (B)
--
Dynamic C
--
Static Câ‚€
--
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 M/C3 for Industrial OEM Machinery -- 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 (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. | -- | -- |
* 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 |
|---|---|
| Industrial Machinery | Electric Motors, Gearboxes, Machine Tools |
| Automotive Manufacturing | Production Line Conveyors, Press Machinery |
| General Machinery | Pumps, Fans, Compressors |
Stop Production Delays with Genuine SKF NU320 EC M/C3 Double Row Cylindrical Roller Bearing
OEM manufacturers know the frustration: a counterfeit bearing fails prematurely, halting production lines and causing hours of unplanned downtime. Multi-tier distribution channels stretch lead times by 30-50%, making it nearly impossible to align with tight production schedules. Without proper technical support, selecting the wrong bearing clearance or cage material can lead to increased energy consumption and shortened service life.
Genuine SKF NU320 EC M/C3 Bearings: In Stock and Traceable
As an official SKF authorized distributor, we eliminate these pain points with our Double Row Cylindrical Roller Bearing NU320 EC M/C3. Each unit comes with full traceability documentation, ensuring you receive 100% genuine SKF products that meet ISO 9001 and SKF global standards. Our large centralized warehouse maintains stock for immediate dispatch, supporting both emergency repairs and scheduled production needs in industrial machinery applications.
Optimal Performance in Heavy-Duty Industrial Conditions
The SKF NU320 EC M/C3 is engineered for non-aligning applications requiring high radial load capacity and moderate axial load handling. Its separated inner and outer rings allow for easy mounting and dismounting, making it ideal for gearboxes, electric motors, and machine tools operating at medium to high speeds. The C3 clearance ensures thermal expansion compensation in environments where temperature variations are common, maintaining consistent performance under varying operating conditions.
Technical Features That Deliver Reliability
This Industrial Machinery Bearing combines critical design elements to maximize service life. The bearing steel construction provides a hardness of 60-64 HRC, ensuring durability under heavy loads. Available with brass or steel cages, the NU320 EC M/C3 offers flexibility for different speed requirements—brass cages excel in high-speed applications by reducing friction and heat generation, while steel cages provide enhanced strength for shock-loaded environments. Vibration classes Z1V1 to Z3V3 allow matching to noise sensitivity needs, from general industrial use to precision machinery.
Why Genuine Bearings Lower Your Total Cost of Ownership
Choosing authentic C3 Clearance Bearings over gray-market alternatives delivers measurable long-term value. Counterfeit bearings often fail within 30-50% of the expected service life, leading to repeated replacement costs, unplanned downtime, and potential damage to adjacent components. Our SKF NU320 EC M/C3 comes with full manufacturer warranty support and traceability, eliminating the risks of customs clearance issues and quality liability disputes that frequently arise with unauthorized suppliers.
Your Trusted Partner for OEM Bearing Supply
With 15+ years serving 60+ countries, Shanghai Dunyu Bearing Co., Ltd. brings unmatched expertise to industrial bearing procurement. Our SKF-certified technical team provides free model selection assistance based on your operating conditions, ensuring optimal bearing performance. We maintain a centralized warehouse with over 50,000 SKU inventory, enabling door-to-door delivery within 3-7 business days globally. Every order includes comprehensive documentation—from brand authorization certificates to batch traceability records—giving you complete confidence in your supply chain.
Packaging & Shipping
- Original SKF packaging with anti-counterfeit labels and batch documentation
- Export-grade carton pallet packaging for secure transportation
- 3-7 business day delivery for in-stock items via DHL, FedEx, or UPS
- Real-time logistics tracking provided for all shipments
- Minimum order quantity of 1 unit, supporting both emergency repairs and bulk OEM requirements
Restore Your Production Schedule Today
Every hour of equipment downtime costs your business—don’t wait for a bearing failure to disrupt your operations. The SKF NU320 EC M/C3 is in stock and ready to ship, with our technical team available to confirm compatibility with your machinery. Send us your order details now to secure prompt delivery and avoid production delays.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Each bearing comes with complete traceability documentation and brand authorization certificates to verify authenticity.
Q: How do I confirm if the NU320 EC M/C3 is suitable for my equipment?
A: Provide your equipment model, operating speed, load conditions, and temperature range. Our SKF-certified technical team will conduct a free compatibility analysis to ensure optimal selection.
Q: What is your warranty policy?
A: All SKF bearings come with the manufacturer's standard warranty, covering manufacturing defects. We provide full after-sales support for warranty claims and technical issues.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, supporting both emergency maintenance needs and large-scale OEM production requirements.
Q: How quickly can you ship the bearings?
A: In-stock items are shipped within 24 hours of order confirmation, with delivery typically taking 3-7 business days via our global logistics partners.
Q: How can I verify the authenticity of the bearings I receive?
A: Each bearing includes SKF's original packaging with anti-counterfeit labels, laser-etched part numbers, and batch codes. We also provide full traceability documents that can be verified through SKF's 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