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 | High-speed rotating equipment, precision machine tools |
| Manufacturing | Heavy-duty processing lines, automated production systems |
| Engineering | Industrial gearboxes, large-scale conveyors |
Need Precision Double Row Cylindrical Roller Bearings for High-Speed Applications? Avoid Common Pitfalls
Selecting the right bearing for high-speed industrial machinery can be challenging. Mismatched clearances often lead to excessive vibration, while substandard materials result in premature wear and unexpected downtime. With countless models and specifications available, finding a reliable supplier that can deliver the exact bearing you need—when you need it—adds another layer of complexity.
Engineered for High-Speed Reliability in Demanding Conditions
Our Precision Double Row Cylindrical Roller Bearings, including models like SKF Nu308 and Nu309-Ec P, are designed to address these challenges. As a supplier with access to a comprehensive range of industrial bearings, we ensure you get bearings that meet strict precision standards. Whether用于 high-speed machine tools or heavy-duty industrial gearboxes, these bearings deliver consistent performance, backed by our ability to source across multiple brands and maintain sufficient inventory for urgent requirements.
Optimal Performance in High-Speed, Heavy-Load Environments
These Double Row Cylindrical Roller Bearings excel in applications where high rotational speeds and axial loads are present. With outer dimensions ranging from 120-190mm, they are suitable for medium to large industrial equipment operating under continuous stress. The separated design allows for easy installation and maintenance, while the non-aligning特性 ensures stability in systems with minimal shaft misalignment—critical for maintaining precision in high-speed operations.
Key Engineering Features for Long-Term Performance
The bearing steel construction, with a hardness of 60-64 HRC, provides exceptional durability and resistance to wear, even under heavy loads. The choice of brass or steel cages offers flexibility: brass cages reduce friction at high speeds, while steel cages enhance rigidity for heavier applications. Available clearance grades (C0, C2, C3, C4, C5) allow customization to specific operating conditions—tighter clearances for precision machinery, looser clearances for thermal expansion in high-temperature environments. Vibration levels (Z1V1 to Z3V3) are controlled to minimize noise and extend equipment lifespan, ensuring smooth operation in sensitive applications.
Why Choosing the Right Bearing Reduces Total Cost
Investing in quality Precision Bearings for High-Speed Machinery pays off in the long run. Inferior bearings may cost less upfront but often lead to frequent replacements, unplanned downtime, and potential damage to adjacent components. Our bearings, manufactured to strict standards, reduce these risks by maintaining dimensional accuracy and load-carrying capacity over time. By aligning bearing specifications with your application’s speed, load, and temperature requirements, you optimize performance and lower maintenance costs—ultimately reducing the total cost of ownership.
Quality Assurance You Can Trust
Our bearings undergo thorough inspection processes, including checks for dimensional accuracy, hardness, and surface quality, ensuring they meet industry standards. We source from reliable manufacturers and provide a warranty against manufacturing defects, giving you confidence in your purchase. With access to a wide range of brands and models, we can fulfill orders for both standard and hard-to-find bearings, supporting your procurement needs efficiently.
Packaging & Shipping
- Packaged in carton pallets for secure transportation
- Available for prompt dispatch with sufficient inventory
- Flexible shipping options including express, air, and sea freight
- Low minimum order quantity to accommodate small and large purchases
Get the Exact Bearing You Need—Request a Quote Today
Whether you require SKF Nu308-Ec J Bearings or other Double Row Bearings for Industrial Applications, we can help. Provide us with the model number, dimensions, and quantity, and our team will quickly confirm availability and pricing. With our extensive network and commitment to service, we ensure you get the right bearings when you need them.
Frequently Asked Questions
Q: Do you support procurement of other bearing brands or models?
A: Yes, we offer access to a wide range of international and domestic brands, and can source bearings according to your specified brand or model requirements.
Q: How can I confirm if this bearing is suitable for my equipment?
A: Provide your equipment’s operating parameters, including speed, load, and dimensions (d x D x B), and our technical team will assist in verifying compatibility.
Q: What is your warranty policy for these bearings?
A: We provide a warranty against manufacturing defects; specific terms are outlined in the purchase contract.
Q: What is the minimum order quantity?
A: We accept low minimum order quantities, making it easy to order small batches for testing or maintenance needs.
Q: How long does shipping take, and what methods are available?
A: In-stock items ship immediately; delivery times depend on the shipping method chosen (express, air, or sea freight) and destination.
Q: Can you provide customized (OEM/ODM) bearings?
A: Yes, we support customization based on your drawings or specific technical requirements.
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.







