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 |
| Specification |
As Your Request |
| Trademark |
zhaoyun |
| Origin |
Jiangsu China |
| HS Code |
8482800000 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Manufacturing |
Blower Fans, Ventilation Systems, Air Circulation Equipment |
| HVAC |
Centrifugal Fans, Axial Fans, Industrial Air Handling Units |
| Power Generation |
Boiler Fans, Cooling Tower Fans, Turbine Auxiliary Fans |
| Chemical Processing |
Process Air Fans, Exhaust Systems, Blower Assemblies |
Prevent Unplanned Downtime with NUP309 EC J C3 Double Row Cylindrical Roller Bearing for Blower Fan Equipment
Blower fan operators know the cost of unexpected bearing failure—hours of production loss, costly repairs, and missed deadlines. Many face challenges with generic bearings that wear prematurely under continuous axial loads, or struggle to source precise C3 clearance bearings for high-temperature fan applications. When downtime hits, waiting weeks for replacement parts only compounds the problem.
Engineered for Blower Fan Reliability: NUP309 EC J C3 Bearing
Our Double Row Cylindrical Roller Bearing NUP309 EC J C3 is designed to solve these pain points. As a professional bearing manufacturer with decades of export experience, we produce this bearing to withstand the demanding conditions of blower fan equipment—consistent axial loads, variable speeds, and temperature fluctuations. The separated design allows for easy installation and maintenance, while the C3 clearance ensures optimal performance in thermal expansion scenarios common in fan operations.
Optimized Performance in Blower Fan Operating Conditions
This Double Row Cylindrical Roller Bearing excels in blower fan equipment where reliable axial load handling is critical. Operating in environments with continuous rotation speeds, the bearing’s brass or steel cage maintains stable roller guidance, reducing vibration (Z1V1 to Z3V3 grades) and noise—essential for both equipment longevity and workplace comfort. Its 60-64 HRC hardness ensures resistance to wear, even in dusty or moderately contaminated air handling applications, making it a dependable choice for industrial fan systems.
Key Technical Features That Matter for Fan Performance
The NUP309 EC J C3 bearing’s technical specifications directly impact blower fan efficiency. Its separated structure allows for quick mounting and dismounting, minimizing maintenance time during critical repairs. The C3 clearance grade is specifically selected to accommodate thermal expansion in fans, preventing binding and extending service life under temperature variations. With bearing steel construction and precision manufacturing (P0 to P4 grades available), this bearing delivers consistent performance, ensuring your blower fans operate at peak efficiency without unexpected interruptions.
Why Choosing the Right Bearing Reduces Total Costs
Opting for a low-quality cylindrical roller bearing may seem cost-effective initially, but the hidden expenses add up. Premature failures lead to unplanned downtime, emergency repair labor, and potential damage to fan shafts or housings. Our bearings meet ISO industrial standards and undergo strict quality control—from raw material inspection to full-process production supervision—ensuring reliability that lowers long-term operational costs. The 12-month warranty further protects your investment, providing peace of mind that generic bearings cannot match.
Our Commitment to Your Blower Fan Operations
With over 18 years of bearing manufacturing experience, we understand the critical role bearings play in industrial equipment. Our factory is equipped with advanced precision processing equipment and automated production lines, ensuring consistent quality for every NUP309 EC J C3 bearing. We offer flexible order policies—including 1 piece MOQ for standard bearings and 3-5 working days for sample orders—to support both emergency repairs and planned maintenance. Our professional technical team provides free guidance on bearing selection and installation, helping you avoid costly选型 mistakes. As a ISO 9001:2015 and ISO 14001 certified enterprise, we stand behind our products with comprehensive after-sales support, including free replacement for qualified defective products.
Packaging & Shipping
- Secure packaging in carton pallets to prevent damage during transit
- Sample orders shipped within 3-5 working days for urgent replacement needs
- Bulk orders delivered in 5-15 working days, with production capacity of 1,000,000 units annually
- Multiple logistics options available to match your delivery timeline requirements
- 1 piece MOQ for standard bearings, supporting small-batch and emergency purchases
Get Your Blower Fan Back to Full Speed
Don’t let bearing issues keep your blower fans offline. Whether you need a single replacement bearing or bulk orders for maintenance stock, we’re ready to fulfill your request. Send us your bearing designation, fan model, and quantity, and our team will provide a prompt quote. The faster you act, the sooner your equipment can return to reliable operation.
Frequently Asked Questions
Q: Is this bearing suitable for high-temperature blower fan applications?
A: Yes, the bearing steel material and C3 clearance grade make it suitable for applications with temperature variations, common in blower fan operations.
Q: How do I confirm if the NUP309 EC J C3 is the correct replacement for my fan?
A: Provide your blower fan model or existing bearing specifications, and our technical team will verify compatibility free of charge.
What is the warranty period for this bearing?
A: We offer a 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund options.
Q: What is the minimum order quantity for this bearing?
A: Standard bearings have a 1 piece MOQ, allowing for emergency repairs or small-batch purchases.
Q: How quickly can I receive my order?
A: Sample orders ship within 3-5 working days, while bulk orders take 5-15 working days depending on quantity.
Q: What quality control measures are in place for this bearing?
A: All bearings undergo strict incoming material inspection, full-process production supervision, and comprehensive performance testing, meeting ISO international standards.
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Tags:
Blower Fan Bearing
C3 Clearance Cylindrical Bearing
Cylindrical Roller Bearing
Double Row Bearing for Blower
Double Row Cylindrical Roller Bearing
EC J Type Roller Bearing for Fan Equipment
NUP309 Bearing C3
NUP309 EC J C3
