Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Ensure uninterrupted industrial machinery performance with the <strong>SKF NU224 EC J/C3</strong> double row cylindrical roller bearing, engineered to deliver exceptional radial load capacity and operational stability in demanding OEM applications. This precision component features a brass cage and C3 clearance, optimizing heat dissipation and alignment tolerance for high-speed rotating equipment—critical for minimizing unplanned downtime and extending production line lifespan. <ul><li>100% genuine SKF certified, ensuring full traceability to streamline export compliance and quality documentation</li><li>Medium-large outer dimension (120-190mm) with 60-64 HRC hardness, ideal for heavy-duty machinery in automotive, general engineering, and rail sectors</li><li>Separated design allows easy mounting/dismounting, reducing maintenance time and technical support needs</li></ul></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 |
| Transport Package | Carton Pallet |
| HS Code | 8482800000 |
| Industry | Typical Equipment |
|---|---|
| Industrial Machinery | CNC Machines, Gearboxes, Electric Motors |
| General Machinery | Conveyors, Pumps, Compressors |
| Heavy Industry | Rolling Mills, Crushers, Extruders |
OEM manufacturers know the cost of bearing failure—unplanned downtime, production line shutdowns, and quality disputes from counterfeit parts. When multi-tier distributors stretch lead times by 30-50%, aligning with production schedules becomes a constant battle. Even worse, gray-market bearings often lack proper traceability, causing customs clearance delays and liability risks.
As an official SKF authorized distributor, we provide 100% genuine SKF NU224 EC J/C3 double row cylindrical roller bearings with full traceability documentation. Our large centralized warehouse ensures stock availability for industrial machinery OEM applications, eliminating the wait times of traditional distribution channels. Every bearing meets ISO 9001 and SKF global standards, tested to perform in critical equipment like gearboxes and electric motors.
This double row cylindrical roller bearing is engineered for industrial machinery operating under high radial loads and moderate axial loads. Its separated design allows for easy installation and maintenance, making it ideal for applications requiring quick disassembly. With a clearance range including C3, it accommodates thermal expansion in high-temperature environments common in steel mills and manufacturing plants.
The SKF NU224 EC J/C3 features a brass or steel cage that ensures stable roller guidance even at high speeds, reducing friction and extending service life. Its bearing steel construction, hardened to 60-64 HRC, provides exceptional durability against wear and impact. The Z1V1 to Z3V3 vibration classes allow selection based on noise sensitivity—critical for precision machinery. With medium and large outer dimensions (120-190mm), it balances load capacity with compact installation, suitable for space-constrained gearboxes and motors.
Counterfeit double row cylindrical roller bearings may save on upfront cost, but they often fail prematurely under industrial loads. A single bearing failure can cause secondary damage to shafts and housings, leading to repair costs 5-10 times the bearing price. Worse, production downtime during replacement can cost thousands per hour. Our genuine SKF bearings come with complete certification, ensuring compliance with export documentation requirements and reducing the risk of customs delays or quality disputes.
We serve over 60 countries worldwide, with core markets in Europe, North America, and Southeast Asia. Our SKF-certified technical team provides application-specific support—from model selection based on working conditions to installation guidance and failure analysis. As a vertical distributor, we eliminate middlemen, offering stable bulk supply and emergency delivery options. Every order includes dedicated account management, with real-time visibility from warehouse to delivery.
Don’t let bearing supply issues disrupt your production schedule. Send us your model list, application parameters, and order volume to receive a formal quotation within 24 hours. We support sample testing and small-batch trials to verify performance before full production orders.
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every bearing comes with brand authorization and traceability certificates to ensure authenticity.
Q: How do I confirm this bearing fits my equipment?
A: Provide your equipment model or working condition parameters (load, speed, temperature), and our SKF-certified technical team will verify compatibility.
Q: What is your warranty policy?
A: All SKF bearings come with the manufacturer’s warranty. We offer unconditional replacement for any manufacturing defects.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, suitable for both emergency repairs and small-batch production.
Q: How quickly can you ship?
A: In-stock bearings are shipped within 3-7 business days. We offer expedited shipping options for urgent requirements.
Q: How can I verify the bearing’s authenticity?
A: Each bearing includes SKF’s original packaging withé˜²ä¼ªæ ‡ç¾, laser marking, and traceability documentation. We can also provide verification support 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.
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.