Description
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 |
|---|---|
| HVAC & Ventilation | Industrial Fans, Centrifugal Blowers, Axial Fans |
| Manufacturing | Conveyor Systems, Cooling Towers, Ventilation Units |
| Power Generation | Boiler Fans, Air Preheaters, Induced Draft Fans |
Reduce Fan Downtime with NUP309 EC J Double Row Cylindrical Roller Bearing
Fan equipment operators know the frustration of unexpected shutdowns—when bearings fail prematurely, production halts, maintenance costs spike, and deadlines slip. Sourcing reliable replacement bearings often means juggling multiple suppliers, inconsistent quality, and long lead times. For fan systems handling continuous operation, the right bearing isn’t just a part; it’s the backbone of uptime.
Genuine C3 Clearance Bearings for Fan Equipment, In Stock Now
The Double Row Cylindrical Roller Bearing NUP309 EC J with C3 Clearance is engineered to address these challenges. As an official SKF distributor with a WMS real-time inventory system, we maintain stock of critical fan bearings to minimize your waiting time. Our ISO 9001 three-level quality inspection ensures each bearing meets exact specifications, so you avoid the risks of counterfeit or substandard parts that plague the market.
Optimized Performance for Fan Operating Conditions
Fan equipment operates under unique stresses—continuous radial loads, moderate speeds, and varying temperature fluctuations. The NUP309 EC J C3 Clearance Bearing excels in these environments, with separated inner and outer rings allowing for easy installation and axial displacement compensation. Its double row design provides higher radial load capacity compared to single row alternatives, making it ideal for heavy-duty fan applications where reliability is non-negotiable.
Key Technical Features That Matter
The C3 clearance rating is critical for fan operation, providing the necessary internal space to accommodate thermal expansion during prolonged use—preventing overheating and premature failure. Constructed from high-grade bearing steel with 60-64 HRC hardness, the bearing delivers exceptional wear resistance, while the brass or steel cage ensures stable roller guidance even at moderate speeds. Vibration grades Z1V1 to Z3V3 allow customization based on noise sensitivity, ensuring smooth operation in both industrial and commercial fan settings.
Why Authentic Bearings Lower Total Costs
Choosing genuine bearings over counterfeits eliminates hidden costs: early failures that damage fan shafts, unplanned maintenance labor, and production losses from downtime. A single fan shutdown can cost thousands in lost output—far exceeding the price difference between authentic and fake bearings. Our products comply with international standards, backed by complete traceability documentation, so you avoid compliance risks in large-scale projects.
Your Trusted Partner for Industrial Bearings
With over 10 years of technical expertise serving 2,000+ clients across 60+ countries, we deliver more than bearings—we deliver peace of mind. Our official SKF authorization guarantees supply chain integrity, while our global door-to-door logistics ensure timely delivery, even to Belt & Road regions like Russia, UAE, and Saudi Arabia. Every order includes dedicated technical support, from选型 assistance to post-purchase troubleshooting, with complete after-sales claim support.
Packaging & Shipping
- Secure carton pallet packaging to prevent damage during transit
- 3-7 business days delivery for in-stock items
- Flexible shipping via DHL, FedEx, UPS, air, or sea freight
- Real-time logistics tracking provided for all orders
- Minimum order quantity of 1 piece, supporting emergency repairs
Get Your Fan Bearings Delivered Fast
Don’t let bearing issues keep your fans offline. The longer you wait, the more downtime costs add up. Send us your NUP309 EC J C3 Bearing requirements today, and our team will process your request within one working day—ensuring you get the right part, when you need it.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official authorized SKF distributor. Every bearing can be traced to the authentic supply chain, and we provide complete authorization documentation upon request.
Q: How do I confirm if the NUP309 EC J is suitable for my fan?
A: Provide your fan model, operating speed, and load conditions. Our technical team will verify compatibility and recommend the optimal clearance and cage material for your specific application.
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 of 1 piece, making us ideal for emergency maintenance and small-batch requirements.
Q: How quickly can you ship to [Belt & Road country]?
A: For in-stock items, we arrange shipment within 3-7 business days. Transit times to Belt & Road regions typically range from 5-12 days via express courier or air freight.
Q: How can I verify bearing authenticity?
A: Authentic SKF bearings include laser-etched markings, holographic labels, and serial numbers verifiable through SKF’s official channels. We provide all necessary documentation for verification.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.







