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 |
| Specification | As Your Request |
| Origin | Jiangsu China |
| HS Code | 8482800000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Equipment | Blower Equipment, Fan Systems |
Struggling with Fan Bearing Failures? The NUP309 EC J/C3 Double Row Cylindrical Roller Bearing Delivers
Fan and blower systems often face unexpected downtime due to bearing failures, especially in high-load applications. Many采购商 struggle with finding bearings that balance hardness, clearance, and durability—critical factors in maintaining consistent airflow and reducing maintenance costs. When a bearing’s hardness is insufficient or clearance misaligned, early wear and vibration become inevitable, leading to costly repairs and production delays.
Engineered for Fan and Blower Demands
The Fan Special Double Row Cylindrical Roller Bearing NUP309 EC J/C3 addresses these challenges with precision engineering. Designed specifically for blower equipment, it combines a 60-64 HRC hardness rating with C3 clearance, ensuring resistance to wear and thermal expansion under continuous operation. Our extensive inventory and ISO 9001-certified supply chain mean we can meet urgent requirements, whether you need a single unit for maintenance or bulk orders for production lines.
Optimal Performance in High-Speed Blower Conditions
This bearing thrives in the demanding environments of industrial blowers, where axial loads and high rotational speeds are common. Its separated design allows for easy installation and maintenance, while the brass or steel cage options provide stability at varying temperatures. The non-aligning structure ensures consistent performance even when shaft misalignment is minimal, making it a reliable choice for both new installations and replacement scenarios.
Key Engineering Features That Impact Reliability
The 60-64 HRC hardness of the bearing steel directly enhances wear resistance, extending service life in abrasive conditions. C3 clearance is critical for blower applications, as it accommodates thermal expansion during prolonged operation, reducing internal stress and preventing premature failure. The double row cylindrical roller design distributes loads evenly, improving radial load capacity and stability compared to single row alternatives. Additionally, the Z1V1 to Z3V3 vibration classes ensure smooth operation, minimizing noise and equipment fatigue.
Why Choosing the Right Bearing Lowers Total Costs
Selecting a substandard bearing might save on initial costs, but the long-term expenses of frequent replacements, downtime, and potential damage to adjacent components quickly add up. The NUP309 EC J/C3 bearing’s robust construction reduces these risks by offering predictable performance and extended intervals between maintenance. By aligning with international dimensional standards, it also simplifies replacement sourcing, eliminating the need for multiple suppliers and reducing procurement complexity.
Quality Backed by Rigorous Standards
Our bearings undergo strict quality control processes, from raw material inspection to final dimensional and hardness testing, ensuring compliance with industry standards. We provide a warranty against manufacturing defects, giving you confidence in your purchase. With access to a wide range of brands and models, we can source or customize bearings to your exact specifications, whether you require standard designs or specialized solutions for unique applications.
Packaging & Shipping
- Standard packaging: Carton and pallet for secure transportation
- Fast dispatch for in-stock items, with flexible lead times for custom orders
- Multiple logistics options available, including express, air, and sea freight
- Low minimum order quantities to support both small repairs and large-scale projects
Get Your Quote for the NUP309 EC J/C3 Bearing Today
Whether you need to replace a worn bearing in your blower system or stock up for upcoming projects, we’re here to help. Provide us with your required quantity, delivery location, and any specific packaging or certification needs, and our team will deliver a competitive quote promptly. The sooner you confirm your order, the sooner we can arrange shipment to minimize your downtime.
Frequently Asked Questions
Q: Can you supply bearings from other brands or models?
A: Yes, we support procurement of bearings across all major international and domestic brands, as well as custom specifications. Simply provide the required model or dimensions, and we’ll source accordingly.
Q: How do I confirm if this bearing fits my blower equipment?
A: Share your equipment’s make, model, or the bearing’s bore diameter (d), outer diameter (D), and width (B) with our technical team. We’ll verify compatibility and suggest alternatives if needed.
Q: What is your warranty policy for bearings?
A: We offer a warranty against manufacturing defects. The specific duration and terms are detailed in each order contract, ensuring coverage for material and production issues.
Q: What is the minimum order quantity for this bearing?
A: We accept low minimum order quantities, including single units for emergency repairs, and can accommodate bulk orders for production requirements.
Q: How long does shipping take, and what options are available?
A: In-stock bearings ship within 1-3 business days. Shipping options include express (3-5 days), air freight (5-7 days), and sea freight (20-30 days), depending on your location and urgency.
Q: Do you offer OEM or ODM customization for bearings?
A: Yes, we support custom bearing manufacturing based on your drawings, specifications, or sample, including material, size, and special features like lubrication or coating.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
