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 Nu308-Ec for Industrial Equipment OEM Precision Matching
Double Row Cylindrical Roller Bearing Nu308-Ec for Industrial Equipment OEM Precision Matching
In Stock · Ready to Ship
<p>Ensure seamless precision in your industrial equipment with the <strong>SKF NU308 EC Cylindrical Roller Bearing</strong>, engineered to minimize downtime and maintain production consistency. This double row cylindrical roller bearing delivers exceptional radial load capacity and high rotational accuracy, making it ideal for heavy machinery OEM applications where reliability directly impacts operational efficiency.</p><ul><li>Brass cage construction ensures stable performance under varying temperatures, reducing maintenance needs for long-term cost savings</li><li>Precision clearance grades (C0-C5) allow tailored installation to match specific working conditions, eliminating guesswork in setup</li><li>Full traceability documentation guarantees compliance with international quality standards, streamlining customs processes and mitigating supply chain risks</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 Nu308-Ec for Industrial Equipment OEM Precision Matching -- 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 |
|---|---|
| General Machinery | Gearboxes, Electric Motors, Pumps, Fans |
| Industrial Manufacturing | CNC Machine Tools, Conveyor Systems, Compressors |
| Automotive | Transmission Systems, Axle Assemblies |
| Rail Transit | Train Gearboxes, Locomotive Components |
Stop Production Delays with Genuine SKF NU308 EC Cylindrical Roller Bearing
OEM manufacturers know the cost of bearing failure—unplanned downtime, production line halts, and expensive repairs. Counterfeit bearings often fail prematurely, lacking proper material hardness and precision. Multi-tier distributors stretch lead times by 30-50%, disrupting production schedules. Without expert technical support, selecting the wrong bearing can lead to increased energy consumption and shortened equipment life.
Genuine SKF NU308 EC Bearing – In Stock for Immediate Delivery
As an official SKF authorized distributor, we provide the NU308 EC Double Row Cylindrical Roller Bearing with full traceability documentation. Our large centralized warehouse ensures stock availability, eliminating the long lead times of traditional distribution channels. Each bearing undergoes ISO 9001 compliant quality checks, matching SKF global standards for industrial equipment OEM precision matching.
Optimal Performance in Demanding Industrial Environments
The SKF NU308 EC Cylindrical Roller Bearing excels in high-load, moderate-speed applications common in industrial machinery. Its separated design allows easy mounting and dismounting, simplifying maintenance. With a hardness of 60-64 HRC, it withstands heavy radial loads while maintaining dimensional stability. The brass cage option ensures reliable operation in temperatures up to 120°C, making it suitable for gearboxes and electric motor applications.
Technical Features That Ensure Reliability
The NU308 EC's clearance options (C0 to C5) allow customization for specific operating conditions—tighter clearances (C2) for precision machinery, looser clearances (C4-C5) for thermal expansion in high-temperature environments. Vibration grades Z1V1 to Z3V3 ensure quiet operation, critical for noise-sensitive equipment. The bearing steel construction provides excellent wear resistance, while the separated inner and outer rings enable easy axial displacement, accommodating shaft expansion in fixed-position applications.
Why Genuine SKF Bearings Reduce Total Cost of Ownership
Counterfeit bearings may cost less upfront, but their hidden costs—early failure, production downtime, and collateral equipment damage—far exceed initial savings. Genuine SKF NU308 EC Bearings offer predictable performance with a calculated L10 life based on dynamic load ratings. Our ISO 9001 quality management ensures batch consistency, reducing variability in production processes. With full traceability documentation, you avoid customs clearance delays and quality liability disputes common with gray-market products.
Our Commitment to OEM Success
With over 60 countries served, our authorized distribution network guarantees 100% genuine SKF products with certification. Our SKF-certified technical team provides free model selection based on working conditions, installation guidance, and failure analysis. We support small-batch trial orders for quality verification, followed by long-term supply agreements with dedicated inventory reservation. A dedicated account manager tracks your order from warehouse to delivery, with real-time progress updates.
Packaging & Shipping
- Original SKF packaging with authentication labels and batch traceability documentation
- Carton pallet packaging for secure transportation and storage
- Global door-to-door logistics via DHL, FedEx, UPS, air, or sea freight
- Real-time tracking provided for all shipments
- Flexible order quantities—from single units for emergency repairs to bulk OEM orders
Get Your NU308 EC Bearing Shipped Today
Every day of equipment downtime impacts your bottom line. Send us your bearing requirements, application parameters, and order volume to receive a formal quotation within 24 hours. Our in-stock inventory means you can get the NU308 EC bearing delivered quickly, minimizing production disruption.
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 authorization certificates.
Q: How do I confirm if the NU308 EC is suitable for 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: We follow SKF's official warranty standards, 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 large OEM production runs.
Q: How long does shipping take?
A: In-stock items ship 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 withé˜²ä¼ªæ ‡ç¾, laser-etched markings, and traceability documents that can be verified through 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