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
SKF Double Row Cylindrical Roller Bearing Nu2311 Ec Ml/C3 for Construction Machinery
SKF Double Row Cylindrical Roller Bearing Nu2311 Ec Ml/C3 for Construction Machinery
In Stock · Ready to Ship
<p>Ensure your construction machinery maintains peak performance with the <strong>SKF NU2311 EC ML/C3</strong> double row cylindrical roller bearing, a critical component designed to minimize downtime in heavy-duty operations. This genuine SKF solution delivers exceptional radial load capacity and enhanced durability, thanks to its precision-engineered brass cage and optimized internal clearance (C3), ideal for handling the high-impact conditions of construction equipment.</p><ul><li>Experience reliable, traceable supply that aligns with strict quality standards, eliminating concerns over documentation gaps and counterfeit risks</li><li>SKF's EC ML design reduces friction and heat buildup, extending bearing service life by up to 30% compared to standard alternatives</li><li>Direct OEM support ensures proper installation guidance and working condition-based selection, minimizing technical costs and unplanned shutdowns</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
SKF Double Row Cylindrical Roller Bearing Nu2311 Ec Ml/C3 for Construction 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 |
|---|---|
| Construction Machinery | Excavators, Loaders, Bulldozers, Cranes |
Stop Construction Delays — Genuine SKF NU2311 EC ML/C3 Bearings for Reliable Machinery Performance
Construction machinery operators know the frustration of unexpected downtime when bearings fail prematurely. Counterfeit bearings often cause early wear, leading to costly repairs and project delays. Sourcing authentic replacement parts with proper documentation can be a challenge, especially when dealing with multi-tier distributors that extend lead times by 30–50%.
Genuine SKF NU2311 EC ML/C3 Bearings, In Stock and Traceable
As an official SKF authorized distributor, we provide 100% genuine SKF Double Row Cylindrical Roller Bearing NU2311 EC ML/C3 with full traceability documentation. Our large centralized warehouse ensures this critical construction machinery bearing is available for fast emergency delivery, helping you minimize equipment downtime. The separated design of this cylindrical roller bearing allows for easy installation and maintenance, making it ideal for heavy-duty applications in construction equipment.
Optimal Performance in Heavy-Duty Construction Environments
The SKF NU2311 EC ML/C3 thrives in the demanding conditions of construction machinery, where it withstands high radial loads and moderate axial loads. Its robust bearing steel construction with 60-64 HRC hardness ensures durability even in dusty, vibrating environments typical of construction sites. Whether used in excavator swing mechanisms or loader gearboxes, this double row cylindrical roller bearing delivers consistent performance under heavy loads and varying speeds.
Key Technical Features That Ensure Longevity
The C3 clearance of the SKF NU2311 EC ML/C3 provides extra internal space to accommodate thermal expansion and misalignment, critical for construction machinery operating in fluctuating temperatures. The brass or steel cage options offer stability at different operating speeds, with brass cages excelling in higher load applications. Vibration class Z1V1 to Z3V3 options allow customization based on noise and precision requirements, ensuring smooth operation in sensitive equipment components. The non-aligning design maintains accuracy in rigidly mounted shafts common in construction machinery drivetrains.
Avoid Hidden Costs of Counterfeit Bearings
Choosing non-genuine construction machinery bearings may seem cost-effective initially, but the hidden expenses add up quickly. Counterfeit bearings lack the material quality and manufacturing precision of SKF products, leading to early failures that cause secondary damage to gears and shafts. The average construction site loses $2,000–$5,000 per hour of downtime, far exceeding any initial savings from counterfeit parts. Our ISO 9001 compliant quality management ensures each SKF NU2311 bearing meets global standards, reducing total lifetime costs through extended service intervals.
Why Construction Professionals Trust Our Bearing Supply
With over 60 countries served worldwide, our authorized distribution network guarantees genuine SKF products with complete traceability from manufacturing to delivery. Our SKF-certified technical team provides application-specific guidance, helping you select the right bearing variant for your equipment. We maintain dedicated inventory for critical construction bearings, supporting both scheduled maintenance and emergency repairs with global door-to-door logistics. Every bearing undergoes pre-shipment inspection to ensure compliance with SKF's strict quality standards, giving you confidence in every order.
Packaging & Shipping
- Original SKF packaging with authentication labels and batch traceability documentation
- Expedited shipping available for emergency requirements
- Global delivery via DHL, FedEx, UPS, or freight forwarding as needed
- Real-time shipment tracking provided from warehouse dispatch
- Flexible order quantities with no minimum purchase requirement
Get Your Construction Machinery Back to Work
Don't let bearing issues halt your construction projects. The SKF NU2311 EC ML/C3 is ready for immediate dispatch, with our technical team available to confirm compatibility with your equipment. Sending your machine model and application details allows us to provide tailored recommendations, ensuring optimal bearing performance and longevity.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every bearing comes with full traceability documentation and brand certification to verify authenticity.
Q: How do I confirm if this bearing fits my construction equipment?
A: Provide your machine make, model, and application details. Our SKF-certified technical team will cross-verify compatibility and provide expert recommendations.
Q: What is the warranty on SKF NU2311 EC ML/C3 bearings?
A: All SKF bearings are covered by the manufacturer's warranty against defects in materials and workmanship, in accordance with SKF global warranty standards.
Q: What is the minimum order quantity?
A: We accept orders for single units to support emergency repairs, with volume pricing available for larger maintenance projects.
Q: How quickly can you ship this bearing?
A: This SKF NU2311 bearing is in stock and typically ships within 3-7 business days via your preferred logistics method.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Each bearing includes SKF's proprietary packaging with security features, laser-etched part numbers, and batch codes 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