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 Nup320-Ec J for New Energy Equipment with C3 Clearance
Double Row Cylindrical Roller Bearing Nup320-Ec J for New Energy Equipment with C3 Clearance
In Stock · Ready to Ship
<p>Ensure seamless power transmission in new energy equipment with the <strong>Double Row Cylindrical Roller Bearing Nup320-Ec J</strong>, engineered to deliver consistent performance under variable loads. Its C3 clearance design accommodates thermal expansion during high-speed operation, reducing downtime risks for critical production lines.</p><ul><li>Non-aligning, separated structure enables easy maintenance and quick replacements, minimizing operational disruptions</li><li>Precision-crafted from high-grade bearing steel (60-64 HRC hardness) for extended service life in demanding industrial environments</li><li>Brass or steel cage options provide tailored stability, ensuring reliable torque transfer in新能源设备 applications</li></ul>
Bore (d)
--
Outer Dia. (D)
--
Width (B)
--
Dynamic C
--
Static C₀
--
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 Nup320-Ec J for New Energy Equipment with C3 Clearance -- 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 (C₀) | -- | 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 Designation | Nup320-Ec J |
| Bearing Type | Double Row Cylindrical Roller Bearing |
| Outer Dimension Range | Medium and Large (120-190mm) |
| Material | Bearing Steel |
| Alignment Capability | Non-Aligning Bearings |
| Load Direction | Axial Bearing |
| Separable Design | Separated |
| Clearance | C3 (C0, C2, C4, C5 available) |
| Cage Material | Brass, Steel |
| Vibration Class | Z1V1, Z2V2, Z3V3 |
| Hardness | 60-64 HRC |
| HS Code | 8482800000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| New Energy | Wind Turbine Gearboxes, Solar Tracker Drives, Energy Storage Systems |
| Industrial Machinery | Electric Motor Spindles, Conveyor Systems, Compressors |
| Automotive | Electric Vehicle Transmission Systems, Drive Axles |
Stop Production Delays with Nup320-Ec J Double Row Cylindrical Roller Bearings for New Energy Equipment
New energy equipment operators face critical challenges with bearing failures—counterfeit parts cause premature breakdowns, multi-tier suppliers extend lead times by 30-50%, and mismatched clearances lead to excessive vibration in high-torque applications. These issues disrupt production schedules and create avoidable maintenance costs.
Traceable C3 Clearance Bearings Ready for Immediate Shipment
Our Nup320-Ec J Double Row Cylindrical Roller Bearing with C3 clearance solves these pain points through direct OEM supply from an authorized SKF distributor. With a centralized warehouse holding large inventories, we eliminate supply chain delays, while full-process quality management ensures each bearing meets ISO 9001 and SKF global standards. Ideal for new energy equipment requiring precise axial load handling and thermal expansion compensation, this separated roller bearing design simplifies installation and maintenance in tight spaces.
Engineered for High-Torque New Energy Applications
This non-aligning cylindrical roller bearing excels in new energy equipment operating under heavy axial loads and moderate radial forces. Its separated inner and outer rings accommodate thermal expansion common in wind turbine gearboxes and solar tracker drives, while the C3 clearance ensures optimal performance at operating temperatures up to 120°C. The brass or steel cage maintains stable roller guidance even at high rotational speeds, critical for maintaining efficiency in energy generation systems.
Technical Features That Maximize Equipment Uptime
The Nup320-Ec J's design integrates several performance-critical features: its double row configuration provides 30% higher radial load capacity compared to single row alternatives, while the C3 radial clearance compensates for shaft expansion in high-temperature environments. The 60-64 HRC bearing steel hardness ensures resistance to wear under cyclic loading, and Z3V3 vibration class minimizes noise and energy loss in precision applications. The separable construction allows for easy bearing replacement without full equipment disassembly, reducing maintenance downtime by up to 40%.
Why Authenticity Matters for Total Cost of Ownership
Counterfeit cylindrical roller bearings often fail within 30% of the expected service life, leading to unplanned shutdowns that cost manufacturers $10,000-$50,000 per hour in production losses. Our 100% genuine SKF bearings come with complete traceability documentation, eliminating customs clearance issues and quality liability disputes. While gray market parts may offer lower upfront costs, the genuine Nup320-Ec J reduces total ownership costs by 25% through extended service intervals and reduced maintenance requirements.
Why Global OEMs Choose Our Bearing Solutions
As an official SKF authorized distributor, we provide: full product traceability with certification documents for every bearing; a SKF-certified technical team offering free application analysis; 24-hour quotation response for model lists and order volumes; dedicated inventory reservation for long-term supply agreements; and global door-to-door logistics serving 60+ countries. Our ISO 9001 compliant quality management covers incoming inspection, storage, and pre-shipment verification, ensuring consistent batch quality for production line integration.
Packaging & Shipping
- Original SKF packaging with serial number tracking and anti-counterfeit labels
- Protective carton pallet packaging for bulk orders to prevent transit damage
- 3-7 business day delivery for in-stock items via DHL, FedEx, or UPS
- Real-time logistics tracking provided for all shipments
- Minimum order quantity of 1 piece, supporting both emergency repairs and bulk OEM orders
Secure Your New Energy Equipment's Reliability Today
Every day of delayed bearing replacement risks production losses in your new energy operation. Send us your Nup320-Ec J bearing requirements, including quantity and application details, and our technical team will confirm compatibility and provide a formal quotation within 24 hours. With our large centralized inventory, we can ship immediately to minimize your equipment downtime.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every Nup320-Ec J bearing comes with complete traceability documentation and brand authorization certificates.
Q: How do I confirm if this bearing fits my new energy equipment?
A: Provide your equipment model or operating parameters (load, speed, temperature), and our SKF-certified technical team will verify compatibility at no cost.
Q: What is your warranty policy?
A: We adhere to SKF's official warranty standards, covering manufacturing defects with unconditional replacement or refund.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, supporting emergency maintenance needs, with volume discounts available for OEM production runs.
Q: How quickly can you ship the Nup320-Ec J bearing?
A: In-stock bearings ship within 3-7 business days via DHL, FedEx, or UPS; custom clearance support is available for international orders.
Q: How can I verify the bearing's authenticity?
A: Each bearing includes SKF's laser-etched part number, holographic packaging label, and batch traceability document. We also provide access to SKF's official verification tools upon request.
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