Cylindrical Roller Bearing
Class
P4 / P2
Origin
DE / SE
Standard
DIN 620
Lead
3-7 Days
Cylindrical Roller Bearing
In Stock
Ultra Precision Double Row Cylindrical Roller Bearing for High-end CNC Machine Tools SKF NN3020KTN9/UPVR521
ISO 9001 · DIN Certified
<p>Ensure uncompromising precision in high-end CNC machine tool operations with the <strong>Ultra Precision Double Row Cylindrical Roller Bearing</strong> SKF NN3020KTN9/UPVR521. Engineered for seamless integration, this open-type cylindrical bearing minimizes vibration and maximizes rotational stability, directly addressing the need for consistent performance in critical machining processes.</p><ul><li>100mm inner diameter with double-row roller structure delivers exceptional load-bearing capacity and rigidity, ideal for high-speed spindle applications</li><li>Compliant with SKF's ultra-precision standards, ensuring tight tolerance control and reducing costly downtime from premature wear</li><li>Backed by our ISO 9001/DIN-certified inspection and premium shockproof logistics, streamlining your procurement with reliable quality and on-time delivery</li></ul>
Technical Specifications
- Type
- Cylindrical Roller Bearing
- Precision Class
- P4 / P2
- Certification
- ISO 9001
- Radial Runout
- ≤ 1.5 μm
- Delivery
- 3-7 Business Days
Related Keywords
Double Row Cylindrical Bearings
High-end CNC Machine Tool Bearings
High-precision Double Row Roller Bearings for Machine Tools
Open Type Cylindrical Bearings
Precision Roller Bearings
SKF NN3020KTN9/UPVR521
SKF Ultra Precision Bearings for CNC Machines
Ultra Precision Double Row Cylindrical Roller Bearing
Reply within 12 hours
NDA available
Full certification docs
Precision packaging
Product Description
Technical Details & Application
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 | High-end CNC Machine Tools, Precision Spindles, Machining Centers |
| Aerospace | Aircraft Component Machining Equipment |
| Medical Device | Precision Surgical Instrument Manufacturing Machinery |
| Semiconductor | Wafer Processing Equipment, Lithography Machines |
Eliminate CNC Downtime with Ultra Precision Double Row Cylindrical Roller Bearing SKF NN3020KTN9/UPVR521
CNC machine tool operators know the frustration of unexpected spindle failures—hours of production lost, missed deadlines, and costly repairs. When precision bearings fail prematurely, the root cause often traces back to inconsistent quality from unauthorized suppliers or delayed deliveries of critical replacement parts. Sourcing high-precision bearings from multiple vendors only compounds the problem, with mismatched specifications and extended lead times derailing maintenance schedules.
SKF Ultra Precision Bearings: In Stock and Ready to Solve Your Machine Tool Challenges
As an official SKF authorized distributor, we stock the Ultra Precision Double Row Cylindrical Roller Bearing NN3020KTN9/UPVR521, engineered specifically for high-end CNC machine tools. This bearing combines SKF’s renowned precision with our commitment to rapid availability—no minimum order quantities, no long waits. Our ISO 9001 and DIN compliant inspection system ensures every unit meets strict tolerance standards before shipment, eliminating the risk of installing substandard components in your critical equipment.
Precision Performance in Demanding Machining Environments
The NN3020KTN9/UPVR521 excels in high-speed, high-rigidity applications typical of advanced CNC spindles. Its double row cylindrical design delivers superior radial load capacity and axial stiffness, maintaining precision even under heavy cutting forces. The open type structure allows for optimal lubrication control, essential for sustained performance in continuous operation environments where temperature management is critical. Whether machining hardened steel or delicate aerospace alloys, this bearing provides the stability needed for tight tolerance manufacturing.
Technical Features That Drive CNC Productivity
The 100 mm inner diameter of this bearing is optimized for medium-sized spindle applications, balancing load capacity with rotational efficiency. Its double row configuration distributes radial loads evenly across the rollers, reducing stress concentrations and extending service life compared to single row alternatives. The open design facilitates heat dissipation—a key advantage in high-speed machining where friction-generated heat can degrade precision. As a SKF ultra precision product, it meets the stringent geometric accuracy requirements of P4/P2 grade bearings, ensuring minimal runout and consistent performance across production cycles.
Why Genuine SKF Bearings Lower Your Total Cost of Ownership
While counterfeit bearings may offer initial cost savings, they typically fail 30-50% earlier than genuine components, leading to unplanned downtime that costs manufacturers thousands per hour. Authentic SKF bearings like the NN3020KTN9/UPVR521 undergo rigorous material testing and manufacturing controls, delivering predictable service life and reducing maintenance frequency. Our comprehensive documentation package—including certificate of conformance and traceability records—supports compliance with aerospace and medical device quality standards, avoiding costly rework or certification issues.
Your Trusted Partner for Precision Bearing Solutions
With dual authorization for European premium brands, we provide direct access to SKF’s full technical support network. Our team of senior application engineers averages 12+ years of industry experience, offering free pre-purchase选型 verification to ensure optimal bearing selection for your specific CNC model. We maintain sufficient P4/P2 grade stock across 45+ countries, serving 800+ clients with premium shockproof logistics that protect bearing precision during transport. Every order includes complete certification documents, and our dedicated account managers provide single-point contact for all technical and after-sales needs.
Packaging & Shipping
- Original SKF packaging with product authenticity labels
- Consolidated packaging available for multi-item orders
- Priority delivery options for emergency maintenance requirements
- Full logistics tracking via DHL, FedEx, or UPS
- 1 piece minimum order quantity
Get Your CNC Back to Peak Performance
Don’t let bearing issues keep your CNC machine idle. Send us your bearing designation, machine model, and quantity requirements today for a same-day quote. With our stock availability, most orders ship within 3 business days, minimizing production disruption and getting your operation back to full capacity quickly.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every bearing comes with complete traceability documentation and can be verified through SKF’s official channels.
Q: How do I confirm this bearing fits my CNC machine?
A: Provide your machine model or spindle specifications, and our technical team will verify compatibility with the NN3020KTN9/UPVR521 at no cost.
Q: What is your warranty policy?
A: All bearings come with SKF’s standard manufacturer warranty, covering manufacturing defects with unconditional replacement.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, supporting both emergency repairs and small-batch requirements.
Q: How quickly can you ship this bearing?
A: In-stock bearings typically ship within 3 business days via your preferred logistics provider (DHL, FedEx, UPS, etc.).
Q: How can I verify the bearing’s authenticity upon receipt?
A: Each SKF bearing includes unique packaging with security features, laser-etched part numbers, and QR codes for verification on SKF’s official website. We also provide full certification documents with every order.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
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Inquiry
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Submit your inquiry for Ultra Precision Double Row Cylindrical Roller Bearing for High-end CNC Machine Tools SKF NN3020KTN9/UPVR521 and our senior application engineers will respond within 12 hours with pricing, availability, and technical documentation.
Authorized European Stock
Genuine FAG & SKF, traceable certificates
Reply Within 12 Hours
Senior engineers, multi-language support
Full Certification Docs
ISO 9001, DIN 620, material certs available