Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Ensure continuous industrial machinery running with SKF NU2320-Ec Bearing, a double row cylindrical roller bearing engineered for high precision and heavy-duty performance. Its separated design allows for easy installation and maintenance, while clearance options (C0-C5) ensure optimal load distribution in demanding applications.</p><ul><li>Bearing steel construction with 60-64 HRC hardness delivers exceptional durability, reducing unplanned downtime</li><li>Non-aligning design maintains stability under axial loads, critical for machinery requiring consistent operation</li><li>Brass or steel cage options accommodate varying speed and temperature requirements, ensuring long-term reliability</li></ul><p>Backed by full traceability and expert technical support, this bearing eliminates common supply chain uncertainties, keeping your production line running smoothly.</p>
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 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 |
| HS Code | 8482800000 |
| Industry | Typical Equipment |
|---|---|
| General Machinery | Reducers, Gearboxes, Pumps, Fans |
| Industrial Manufacturing | Conveyors, Compressors, Machine Tools |
| Heavy Industry | Crushers, Mixers, Material Handling Systems |
Industrial machinery operators know the cost of unexpected downtime—especially when caused by substandard bearings. Counterfeit or low-quality cylindrical roller bearings often fail prematurely under continuous load, leading to unplanned maintenance, production line stoppages, and missed delivery deadlines. Sourcing genuine bearings that match your equipment's exact specifications can feel like navigating a maze of untrustworthy suppliers and delayed shipments.
As an official SKF authorized distributor, we provide the NU2320-Ec Double Row Cylindrical Roller Bearing with full traceability documentation, ensuring you receive 100% authentic products. Our large centralized warehouse maintains ready stock of industrial machinery bearings, allowing us to fulfill orders quickly and avoid the typical 30–50% lead time delays of multi-tier distribution channels. This bearing is engineered for continuous running applications, making it ideal for heavy-duty machinery in manufacturing, mining, and material handling sectors.
The NU2320-Ec Double Row Cylindrical Roller Bearing excels in applications requiring high radial load capacity and continuous operation. Its separated design allows for easy mounting and dismounting, simplifying maintenance procedures. With a hardness rating of 60–64 HRC, this bearing delivers exceptional wear resistance, even under the stress of medium to large outer dimensions (120–190mm). Whether your equipment operates in high-vibration environments or requires precise load distribution, the NU2320-Ec is built to maintain performance stability over extended service life.
The NU2320-Ec's performance is defined by critical technical attributes. Its cage options—brass or steel—provide durability and stability; brass cages offer superior heat resistance for high-temperature applications, while steel cages optimize strength for heavy shock loads. Vibration classes Z1V1 to Z3V3 allow customization based on noise and precision requirements, ensuring smooth operation in sensitive machinery. Clearance grades C0 to C5 accommodate thermal expansion and mounting conditions, preventing premature failure from misalignment or over-tightening. These features collectively ensure the bearing meets SKF global standards for reliability in continuous industrial use.
Choosing non-genuine cylindrical roller bearings may seem cost-effective initially, but the long-term consequences are significant. Counterfeit bearings often lack proper material hardness and precision, leading to early fatigue, increased energy consumption, and potential damage to adjacent components. In contrast, genuine SKF NU2320-Ec Bearings for Machinery reduce total cost of ownership by minimizing downtime, lowering maintenance frequency, and extending equipment life. Our ISO 9001-compliant quality management ensures each bearing undergoes rigorous testing, eliminating the risks of customs clearance issues or liability disputes due to incomplete documentation.
Our position as a trusted SKF distributor is built on verified expertise and transparent practices. We serve over 60 countries worldwide, with core markets in Europe, North America, and Southeast Asia, supporting industrial equipment OEMs, EPC procurement teams, and maintenance service providers. Our SKF-certified technical team offers free model selection and installation guidance, ensuring optimal bearing performance for your specific working conditions. With a production capacity of 1,000,000 units annually, we guarantee stable bulk supply and fast emergency delivery, backed by a dedicated account manager who tracks every order from warehousing to after-sales support.
Don’t let equipment downtime erode your productivity. Send us your bearing model list, application parameters, and order volume to receive a formal quotation within 24 hours. Our sample testing and small-batch trial options allow you to verify quality before full-scale production, ensuring peace of mind with every purchase.
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every NU2320-Ec bearing comes with full traceability documentation and brand authorization certificates to confirm authenticity.
Q: How do I confirm if the NU2320-Ec is compatible with my machinery?
A: Provide your equipment model or working condition parameters (load, speed, temperature), and our SKF-certified technical team will conduct free compatibility checks and model selection support.
Q: What is the warranty policy for these bearings?
A: All bearings come with SKF's standard manufacturer warranty, covering manufacturing defects with unconditional replacement or refund.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, accommodating both emergency maintenance needs and large-scale production requirements.
Q: How long does shipping take?
A:现货 items are shipped within 3–7 working days. We offer flexible logistics options including DHL, FedEx, UPS, air freight, and sea freight to match your delivery timeline.
Q: How can I verify the bearing's authenticity?
A: Genuine SKF bearings include laser-etched markings, packaging with security labels, and unique serial numbers verifiable through SKF's official channels. We provide complete traceability documents for every 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.