Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | NN3020TN9/SPW33 |
| Bearing Type | Double Row Cylindrical Roller Bearing |
| Inner Diameter (d) | 100 mm |
| Number of Rows | Double Row |
| Structure | Cylindrical |
| Seals Type | Open |
| Trademark | SKF |
| Origin | China |
| Single Gross Weight | 0.250 kg |
| Selling Units | Single Item |
| Package Size | 20.00cm × 20.00cm × 20.00cm |
| Package Gross Weight | 0.300 kg |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | High-precision machine tools, gearboxes, and rotating equipment requiring rigid axial support |
| Manufacturing | CNC machining centers, industrial robots, and precision assembly lines |
Finding the Right High-Precision Cylindrical Roller Bearing? Avoid These Common Pitfalls
When sourcing bearings for critical industrial applications, mismatched dimensions or poor precision often lead to installation delays and unexpected equipment downtime. Many buyers struggle with limited supplier options for specialized models like the NN3020TN9/SPW33, forcing them to compromise on delivery timelines or product authenticity.
Engineered for Consistent Performance in Precision Applications
This double row cylindrical roller bearing is designed to meet the demands of high-precision industrial equipment, where stable radial load capacity and minimal deflection are essential. As a supplier with extensive experience across major bearing brands, we provide access to SKF NN3020TN9/SPW33 bearings and equivalent models, ensuring you get the right fit without the hassle of multiple vendor negotiations. Our ISO 9001-certified inspection processes verify each bearing’s dimensions and surface quality before shipment, reducing the risk of premature failure in your machinery.
Optimal Performance in Rigid Rotating Systems
The NN3020TN9/SPW33 excels in applications with moderate to high radial loads and low to moderate speeds, such as machine tool spindles and precision gearboxes. Its double row design provides increased rigidity compared to single row alternatives, making it suitable for equipment where shaft alignment and stability are critical. Open seal configuration allows for lubrication customization, adapting to specific operating conditions like temperature variations or contamination exposure.
Key Engineering Features That Impact Reliability
The bearing’s cylindrical roller structure distributes loads evenly across the raceways, reducing stress concentrations and extending service life. With an inner diameter of 100 mm, it fits standard industrial shaft sizes, ensuring interchangeability with existing components. The TN9 cage design enhances roller guidance, minimizing friction and heat generation during operation. Precision manufacturing tolerances ensure consistent performance, critical for maintaining tight machining tolerances in high-precision applications.
Why Precision Bearings Reduce Long-Term Costs
Choosing the correct cylindrical roller bearing directly impacts your total cost of ownership. A misaligned or low-precision bearing can cause excessive vibration, leading to premature wear of adjacent components and unplanned production stops. This SKF NN3020TN9/SPW33 bearing’s robust construction and quality materials reduce maintenance requirements, lowering downtime and replacement frequency. By investing in a reliable industrial bearing upfront, you avoid the hidden costs of frequent repairs and lost productivity.
Quality You Can Verify
Our bearings undergo comprehensive testing, including dimensional checks and surface hardness verification, to meet international standards. We maintain transparent batch traceability, providing documentation to confirm product origin and quality. With flexible shipping options and responsive after-sales support, we ensure a smooth procurement process from order to delivery. As a trusted supplier, we stand behind the quality of every bearing, offering warranty coverage for manufacturing defects.
Packaging & Shipping
- Standard packaging: 20.00cm × 20.00cm × 20.00cm cartons, protecting bearings from damage during transit
- Expedited processing for urgent orders, with inventory available for prompt dispatch
- Multiple logistics options including express courier, air freight, and sea shipping to global destinations
- Low minimum order quantity, supporting both small-scale maintenance and large-volume production needs
Get a Quote for Your NN3020TN9/SPW33 Bearing Requirement
Whether you need a single SKF NN3020TN9/SPW33 bearing or bulk quantities, provide your specifications and delivery location, and we’ll deliver a competitive quote with clear lead times. Our team can also assist with cross-referencing alternative brands if needed, ensuring you find the right solution for your application.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides SKF?
A: Yes, we provide bearings across major international brands and domestic manufacturers, supporting cross-brand procurement based on your specifications.
Q: How can I confirm this bearing fits my equipment?
A: Share your equipment model or existing bearing dimensions (inner diameter, outer diameter, width), and our technical team will verify compatibility with the NN3020TN9/SPW33.
Q: What warranty do you offer on bearings?
A: We provide a warranty against manufacturing defects. Specific terms depend on the product and application, detailed in our sales agreement.
Q: What is the minimum order quantity for this bearing?
A: We accept small orders starting from a single unit, making it suitable for both maintenance and production requirements.
Q: How long does shipping take to my location?
A: Delivery time varies by destination. Express courier typically takes 3-5 days, while sea freight may take 2-4 weeks. We’ll confirm exact timelines when processing your order.
Q: Can you provide custom packaging or labeling for bulk orders?
A: Yes, we offer customized packaging and labeling services for large orders to meet your inventory management needs.
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.







