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 Machinery | Heavy-duty gearboxes, rolling mills, large motors |
Need Reliable Double Row Cylindrical Roller Bearings NU2217 NU2218 EC J/C3 for Industrial Machinery?
Industrial machinery operators often face challenges with bearing replacements—either struggling to find precise dimensions that match international standards or dealing with unexpected downtime due to delayed deliveries. When critical equipment relies on components like the Double Row Cylindrical Roller Bearing, even small discrepancies in clearance or cage material can lead to premature failure and costly production halts.
Designed for High-Performance Industrial Applications
This Double Row Cylindrical Roller Bearing addresses these pain points with its separated design and compatibility with major industrial standards, making it suitable for heavy-duty machinery in sectors like steel manufacturing and large-scale processing. With outer dimensions ranging from 120-190mm, it handles axial loads efficiently while maintaining alignment in non-aligning applications. Our extensive inventory ensures that even specialized models like the NU2217 and NU2218 EC J/C3 can be delivered within 48 hours, minimizing equipment downtime.
Optimal Performance in Demanding Conditions
This bearing thrives in harsh industrial environments where medium to large load capacities are required. Its C3 clearance option provides the necessary radial play for applications involving thermal expansion, such as high-speed motors or continuous operation machinery. The combination of bearing steel construction (60-64 HRC hardness) and brass or steel cages ensures durability against wear, while Z1V1 to Z3V3 vibration classes allow selection based on precision requirements—critical for maintaining smooth operation in precision-dependent equipment.
Key Engineering Features for Long-Term Reliability
The separated design of this Double Row Cylindrical Roller Bearing simplifies installation and maintenance, allowing for easy disassembly without removing adjacent components—a time-saver during equipment overhauls. The availability of multiple clearance classes (C0 to C5) ensures proper fit for specific operating conditions: C3 clearance, for example, is ideal for applications with moderate temperature variations, preventing excessive internal stress. The 60-64 HRC surface hardness, achieved through controlled heat treatment, enhances resistance to contact fatigue, a common cause of premature bearing failure in heavy-load scenarios. Additionally, the choice between brass and steel cages lets you prioritize either high-speed performance (brass) or cost-effectiveness (steel) based on your machinery’s needs.
Why Precision Bearings Reduce Total Operating Costs
Choosing the right bearing directly impacts your bottom line. A bearing with incorrect clearance or insufficient hardness can lead to early wear, causing machine vibration, noise, and even secondary damage to gears or shafts. The NU2217 and NU2218 EC J/C3 models, with their严格的尺寸公差和材料一致性, minimize these risks, extending maintenance intervals and reducing unplanned downtime. While initial costs may be higher than generic alternatives, the longer service life and lower replacement frequency result in a lower total cost of ownership over time—especially critical for high-volume industrial operations where every hour of downtime translates to significant production losses.
Quality You Can Trust in Every Shipment
Our bearings undergo rigorous quality control processes, including dimensional accuracy checks and hardness testing, to ensure they meet industry standards. We source from ISO 9001-certified manufacturers, providing confidence in material integrity and production consistency. Each order includes batch traceability, and we offer a warranty against manufacturing defects, ensuring you receive reliable components. With our ability to supply both standard and custom specifications, we can fulfill orders ranging from small replacements to large-scale project requirements, all backed by transparent communication and on-time delivery.
Packaging & Shipping
- Securely packaged in carton pallets to prevent damage during transit
- 48-hour fast delivery available for in-stock models to meet urgent requirements
- Flexible shipping options including express courier, air freight, and sea freight
- Low minimum order quantity supported, ideal for both maintenance and production needs
Get a Quote for Your Industrial Machinery Bearings
Whether you need the NU2217, NU2218 EC J/C3, or other Double Row Cylindrical Roller Bearings, we can provide competitive pricing and quick delivery. Share your exact model, dimensions, and quantity requirements, and our technical team will confirm compatibility and availability—ensuring you get the right bearing for your equipment.
Frequently Asked Questions
Q: Do you supply bearings from other brands or models?
A: Yes, we support procurement of bearings across all major international and domestic brands. Simply provide the specific model or dimensions, and we can source it for you.
Q: How can I confirm if this bearing fits my machine?
A: Provide your equipment’s bearing specifications (d x D x B, clearance, cage type) or the original model number, and our technical team will verify compatibility with the NU2217/NU2218 EC J/C3.
Q: What is your warranty policy?
A: We offer a warranty against manufacturing defects. If a bearing fails due to material or production issues, we will arrange for replacement or refund per the terms of your order.
Q: What is the minimum order quantity?
A: We accept low minimum orders, including single units for emergency replacements, and can also fulfill large-volume requirements for production lines.
Q: How long does shipping take?
A: In-stock models like the NU2217 and NU2218 EC J/C3 are shipped within 48 hours. For custom or non-stock items, lead time varies by manufacturer and will be confirmed upon ordering.
Q: Can you provide custom bearings (OEM/ODM)?
A: Yes, we support custom bearing production based on your drawings or specifications, including special clearances, cage materials, and surface treatments.
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.
