Description
Product Specifications
| Parameter | Details |
|---|---|
| Bearing Type | Double Row Cylindrical Roller Bearing |
| Outer Dimension Range | Medium and Large(120-190mm) |
| Material | Bearing Steel |
| Alignment Type | Non-Aligning Bearings |
| Load Direction | Axial Bearing |
| Separable Design | Separated |
| Radial Clearance | C0, C2, C3, C4, C5 |
| Cage Material | Brass, Steel |
| Vibration Class | Z1V1, Z2V2, Z3V3 |
| Surface Hardness | 60-64 HRC |
| Origin | Jiangsu China |
| HS Code | 8482800000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | Heavy-duty gearboxes, rolling mill stands, large motors |
| Steel Mills | Continuous casting machines, rolling equipment |
| Mechanical Engineering | Presses, extruders, industrial fans |
Struggling with Frequent Bearing Failures in Industrial Machinery? The NNU4920 B/Sp C3 W33 Double Row Cylindrical Roller Bearing Delivers Reliability
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. When a critical bearing fails prematurely, it disrupts production schedules, increases maintenance costs, and creates safety risks. Many struggle with sourcing bearings that offer both precise dimensions and durable performance—especially for medium to large industrial equipment where replacement parts are not easily interchangeable.
Engineered for Heavy-Duty Industrial Applications
The NNU4920 B/Sp C3 W33 Double Row Cylindrical Roller Bearing addresses these challenges with its robust design and industrial-grade materials. As a specialized bearing supplier with access to a comprehensive range of international standards, we ensure this bearing meets the exacting requirements of modern industrial machinery. Its separated structure allows for easy installation and maintenance, while the medium to large outer dimension range (120-190mm) makes it suitable for heavy-load applications in steel mills, mechanical engineering, and other industrial sectors where reliability is non-negotiable.
Optimal Performance in Demanding Operating Conditions
This double row cylindrical roller bearing excels in applications where high radial loads and moderate axial loads are present. With a surface hardness of 60-64 HRC, it provides excellent wear resistance even in continuous operation. The C3 clearance classification ensures optimal performance in environments where temperature variations may cause expansion, making it ideal for industrial machinery operating in fluctuating thermal conditions. Whether used in rolling mill stands or heavy-duty gearboxes, this W33 bearing maintains consistent performance under pressure.
Key Engineering Features for Long-Term Durability
The bearing’s brass cage offers superior thermal conductivity and stability compared to standard steel cages, reducing friction and extending service life in high-temperature applications. Its separable design allows for quick disassembly during maintenance, minimizing equipment downtime. The non-aligning configuration ensures precise operation where shaft alignment is critical, while vibration classes Z1V1 to Z3V3 provide options for varying noise and smoothness requirements. These features combine to create a bearing that not only meets but exceeds the demands of industrial machinery applications.
Total Cost of Ownership: Why Quality Bearings Matter
Choosing the right bearing directly impacts your equipment’s total cost of ownership. A low-quality bearing may save money upfront but often leads to frequent replacements, unplanned downtime, and potential damage to adjacent components. The NNU4920 B/Sp C3 W33 bearing’s robust construction and precision manufacturing reduce these risks significantly. By meeting ISO standards for dimensional accuracy and material quality, it delivers predictable performance and longer service intervals—ultimately lowering maintenance costs and improving overall equipment efficiency for industrial machinery operators.
Quality You Can Rely On
Our bearings undergo rigorous quality control processes, including material verification and dimensional inspections, to ensure consistent performance. We maintain a comprehensive inventory of industrial bearings, supporting quick delivery for urgent replacement needs. All products come with a warranty against manufacturing defects, providing additional peace of mind. As a supplier with access to multiple international standards, we can also source or produce bearings to your exact specifications, ensuring compatibility with your existing equipment.
Packaging & Shipping
- Packaged in cartons with palletizing available for bulk orders
- Stock availability supports prompt dispatch for urgent requirements
- Flexible shipping options including express courier, air freight, and sea freight
- Low minimum order quantities available to accommodate both small and large scale needs
Get the Right Bearing for Your Industrial Machinery
Whether you need a direct replacement for existing equipment or are specifying bearings for new machinery, we can help. Provide us with your equipment details, required quantity, and delivery location, and our technical team will confirm compatibility and provide a competitive quote. With our extensive range of industrial bearings and commitment to quality, we ensure you get the right component when you need it.
Frequently Asked Questions
Q: Can you supply other brands or models of cylindrical roller bearings?
A: Yes, we offer a comprehensive range of bearings following international standards, including various brands and models to meet specific application requirements.
Q: How do I confirm if this bearing will fit my equipment?
A: Provide your equipment model or existing bearing dimensions (bore, outer diameter, width), and our technical team will verify compatibility with the NNU4920 B/Sp C3 W33 specification.
Q: What is your warranty policy for this bearing?
A: We provide a warranty against manufacturing defects. Specific terms and duration are detailed in our sales agreement, with support for replacement or refund in case of verified quality issues.
Q: What is the minimum order quantity for this bearing?
A: We accept low minimum order quantities, including single units for emergency replacements, with volume pricing available for larger orders.
Q: How long does shipping take for this bearing?
A: In-stock bearings ship within 1-3 business days. Delivery time depends on your location, with express options available for urgent requirements.
Q: Do you offer custom bearing solutions?
A: Yes, we support OEM/ODM requirements, including custom dimensions, materials, and cage designs, based on your technical drawings and specifications.
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.
