Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Ensure uninterrupted industrial machinery performance with the <strong>Double Row Cylindrical Roller Bearing Nu319-Ec M/C4</strong>, designed to deliver exceptional radial load capacity and precise operation in high-torque applications. As an SKF authorized distributor, we guarantee full traceability documentation to streamline your supply chain compliance and avoid costly delays.</p><ul><li>C4 clearance configuration optimizes heat dissipation under heavy loads, extending bearing service life by reducing internal friction</li><li>Separated inner/outer ring design enables easy mounting and replacement, minimizing downtime during maintenance</li><li>60-64 HRC hardness rating ensures superior wear resistance for continuous operation in demanding industrial environments</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 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 | Gearboxes, Electric Motors, Pumps, Compressors, Conveyors |
| Manufacturing | CNC Machine Tools, Production Line Equipment, Material Handling Systems |
OEM manufacturers know the cost of bearing failure: unplanned downtime, damaged equipment, and missed production deadlines. Counterfeit bearings from gray markets often fail prematurely, while multi-tier distribution channels delay critical replacements by 30–50%. For industrial machinery relying on precise motion control, these issues aren’t just inconvenient—they hit your bottom line.
Our Double Row Cylindrical Roller Bearing Nu319-Ec M/C4 solves these challenges with 100% genuine SKF quality. As an official authorized distributor, we maintain a large centralized warehouse with direct access to SKF’s global supply chain, ensuring batch consistency and fast emergency delivery. Designed for industrial machinery OEM applications—from gearboxes to electric motors—this bearing combines separated construction for easy installation with C4 clearance to accommodate thermal expansion in high-load environments.
This Double Row Cylindrical Roller Bearing thrives in demanding industrial settings. Its robust bearing steel construction (60-64 HRC hardness) handles high radial loads, while the separated inner and outer rings allow for quick mounting and dismounting during maintenance. Whether your equipment operates in high-vibration environments (Z1V1 to Z3V3 vibration classes) or requires precise axial alignment, the Nu319-Ec M/C4 delivers reliable performance under continuous operation.
The Nu319-Ec M/C4’s design features directly impact your machinery’s efficiency. Its C4 clearance rating provides extra internal space to compensate for thermal expansion in high-temperature applications, reducing friction and extending service life. The brass or steel cage options ensure stable roller guidance at varying speeds, while the non-aligning design maintains precision in rigidly mounted shafts. With outer dimensions in the 120-190mm range, this medium-to-large bearing balances load capacity with compact installation, making it ideal for space-constrained industrial equipment.
Choosing non-genuine bearings may seem cost-effective upfront, but the long-term risks are significant. Counterfeit products often lack proper material heat treatment, leading to premature wear and catastrophic failure. In contrast, our SKF-authorized bearings undergo full-process quality management compliant with ISO 9001 and SKF global standards. Each unit comes with complete traceability documentation, avoiding customs clearance delays and quality liability disputes—critical for export-oriented manufacturers.
Our commitment to reliability sets us apart. As an official SKF distributor, every bearing is traceable to the original manufacturing batch, with certification provided on request. Our SKF-certified technical team offers free model selection support based on your specific working conditions, helping you avoid costly选型 errors. With operations in 60+ countries, we provide global door-to-door logistics, and our dedicated account managers track every order from warehouse to delivery. We support small-batch trials and emergency orders, ensuring your production line never waits for critical components.
Don’t let bearing issues slow your production. Send us your model requirements, application parameters, and order volume, and we’ll issue a formal quotation with certification within 24 hours. Whether you need a single unit for emergency repair or a bulk order for OEM production, we ensure on-time delivery and full technical support.
Q: Are these genuine SKF bearings?
A: Yes, we are an official authorized SKF distributor. Every bearing comes with full traceability documentation and brand authorization certificates to verify authenticity.
Q: How do I confirm if 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 at no cost.
Q: What is your warranty policy?
A: All bearings come with SKF’s original manufacturer warranty, covering manufacturing defects with unconditional replacement.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, supporting both emergency repairs and small-batch trials.
Q: How long does shipping take?
A: In-stock bearings are shipped within 3-7 business days via your choice of DHL, FedEx, UPS, air, or sea freight.
Q: How can I verify the bearing’s authenticity?
A: Each bearing includes SKF’s original packaging with防伪 labels and laser marking. We also provide full traceability documents for cross-verification on 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.