Product Specifications
| Parameter |
Details |
| Model NO. |
NN3020KTN9/UPVR521 |
| Type |
Roller |
| Selling Units |
Single Item |
| Number of Row |
Double Row |
| Inner Diameter |
100 mm |
| Single Gross Weight |
0.250 kg |
| Structure |
Cylindrical |
| Seals Type |
Open |
| Trademark |
SKF |
| Origin |
China |
Application Industries
| Industry |
Typical Equipment |
| Manufacturing |
CNC Machine Tools, Precision Lathes, Machining Centers, Grinding Machines |
Eliminate Machine Tool Downtime with Ultra Precision SKF NN3020KTN9/UPVR521 Bearings
Machine tool operators know the cost of spindle failure—unplanned downtime, missed production deadlines, and expensive repairs. When precision bearings fail prematurely, it often traces back to substandard components or incorrect part selection. Sourcing ultra precision bearings from unreliable suppliers can lead to poor performance, inconsistent quality, and wasted time coordinating with multiple vendors.
Genuine SKF Double Row Cylindrical Roller Bearings for Critical Machine Tool Applications
As an official SKF authorized distributor, we provide the SKF NN3020KTN9/UPVR521 ultra precision double row cylindrical roller bearing—engineered to deliver exceptional accuracy for machine tool spindles. This bearing combines European precision with our one-stop procurement solution, eliminating the hassle of managing multiple suppliers. With our large centralized inventory, we ensure this critical component is available when you need it, reducing lead times for maintenance and production line support.
Precision Performance in High-Speed Machine Tool Spindles
The SKF NN3020KTN9/UPVR521 is designed for applications demanding high rotational accuracy and rigidity, such as precision machining centers and CNC lathes. Its double row cylindrical roller structure handles radial loads efficiently while maintaining tight tolerances, making it ideal for high-speed operations where minimal runout is critical. This bearing excels in continuous duty cycles, providing stable performance even under varying cutting forces typical in metalworking processes.
Technical Features That Ensure Machine Tool Accuracy
The NN3020KTN9/UPVR521’s ultra precision classification guarantees tight dimensional control, essential for maintaining spindle concentricity and reducing vibration during high-speed rotation. Its open design allows for optimal lubrication flow, critical for heat dissipation in extended operation. The double row configuration increases radial load capacity compared to single row alternatives, enhancing durability in heavy-duty machining applications. With a 100 mm inner diameter, this bearing fits standard spindle sizes, ensuring compatibility with common machine tool models.
Avoid Hidden Costs of Counterfeit Precision Bearings
Non-genuine ultra precision bearings may initially cost less, but they often lead to higher total costs. Inferior materials and manufacturing processes result in premature wear, leading to frequent replacements and unplanned downtime. A single spindle failure due to a counterfeit bearing can disrupt production for days, costing far more than the price difference between genuine and fake components. SKF’s rigorous quality control ensures each NN3020KTN9/UPVR521 bearing meets strict performance standards, providing reliable service and reducing long-term maintenance expenses.
Why Machine Tool Operators Trust Our Bearing Solutions
Our position as an official SKF distributor means every NN3020KTN9/UPVR521 bearing comes with complete traceability and manufacturer authorization. We operate under a unified ISO 9001 quality inspection system, with each bearing undergoing thorough checks before delivery. With 1,200+ clients across 55+ countries, our cross-brand technical team offers expert support for installation and application questions. Our large centralized inventory ensures quick access to critical parts, and our global logistics network delivers to your location efficiently, minimizing machine downtime.
Packaging & Shipping
- Original SKF packaging with product identification and batch traceability
- Secure outer packaging to prevent damage during transit
- Global shipping via DHL, FedEx, UPS, air, or sea freight
- Real-time logistics tracking provided for all shipments
- Minimum order quantity of 1 piece, supporting emergency maintenance needs
Get Your Ultra Precision Bearing Shipped Today
Don’t let spindle issues delay your production schedule. The SKF NN3020KTN9/UPVR521 ultra precision cylindrical roller bearing is in stock and ready to ship. Send us your order details, and we’ll process it within one working day, helping you restore machine tool performance quickly.
Frequently Asked Questions
Q: Is this a genuine SKF bearing?
A: Yes, we are an official SKF authorized distributor. Every NN3020KTN9/UPVR521 bearing comes with complete authorization documentation and traceability to the original manufacturer.
Q: How do I confirm this bearing fits my machine tool spindle?
A: Provide your machine model or spindle specifications, and our technical team will verify compatibility with the NN3020KTN9/UPVR521 bearing at no cost.
Q: What is the warranty policy for this bearing?
A: We stand behind the manufacturer’s warranty, covering manufacturing defects with unconditional replacement.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, ideal for emergency maintenance or small-scale requirements.
Q: How long does shipping take?
A: In-stock bearings ship within 3-7 working days via your choice of DHL, FedEx, UPS, air, or sea freight.
Q: How can I verify the authenticity of the bearing?
A: Each SKF bearing includes original packaging with security features, laser-etched markings, and we provide full traceability documentation for verification.
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