Cylindrical Roller Bearing
Class
P4 / P2
Origin
DE / SE
Standard
DIN 620
Lead
3-7 Days
Cylindrical Roller Bearing
In Stock
Super Precision Double Row Cylindrical Roller Bearing NN 3028 K/SPW33VR5220 for High-Speed Machine Tools
ISO 9001 · DIN Certified
<p>Ensure high-speed machine tool precision with the <strong>Super Precision Double Row Cylindrical Roller Bearing NN 3028 K/SPW33VR5220</strong>, designed to minimize vibration and extend spindle life during critical operations. As an SKF official authorized distributor, we deliver this 140mm inner diameter bearing with P4-grade accuracy compliant to ISO 9001 standards, eliminating the hassle of cross-brand sourcing delays.</p><ul><li>Double row cylindrical structure with open design reduces heat buildup at 10,000+ RPM, ideal for CNC lathe and machining center spindles</li><li>Unified certification and shockproof logistics ensure consistent quality control across your entire bearing inventory</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
Reply within 12 hours
NDA available
Full certification docs
Precision packaging
Product Description
Technical Details & Application
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | NN 3028 K/SPW33VR5220 |
| Type | Roller |
| Selling Units | Single Item |
| Inner Diameter | 140 mm |
| Number of Row | Double Row |
| Single Gross Weight | 0.100 kg |
| Structure | Cylindrical |
| Seals Type | Open |
| Trademark | SKF |
| Origin | China |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Manufacturing | High-Speed CNC Machine Tools, Precision Spindles |
| Automation | High-Precision Machining Centers |
Reduce Downtime with Genuine NN 3028 K/SPW33VR5220 Super Precision Bearings
Machine tool operators know the frustration of unexpected downtime caused by bearing failures. When precision spindles lose accuracy or grind to a halt, production schedules derail and maintenance costs spike. Sourcing reliable super precision bearings often means navigating long lead times or questionable suppliers, leaving your operation vulnerable to unnecessary delays.
Super Precision Double Row Cylindrical Roller Bearing for Critical Machine Tool Performance
The SKF NN 3028 K/SPW33VR5220 is engineered to address these challenges. As a double row cylindrical roller bearing designed for high-speed machine tools, it delivers the stability and precision required for demanding machining operations. Our inventory includes this critical component, backed by official SKF authorization and ISO 9001 compliant inspection processes, ensuring you receive a verified product ready to install.
Engineered for High-Speed Spindle Applications
This bearing excels in environments where rotational speed and precision are non-negotiable. The double row cylindrical design provides exceptional radial load capacity while maintaining minimal friction—essential for high-speed CNC machine tool spindles that operate at constant high RPMs. Its open structure allows for optimized lubrication, ensuring consistent performance even during extended production runs.
Key Technical Features That Drive Machine Tool Efficiency
The NN 3028 K/SPW33VR5220’s 140 mm inner diameter is sized to fit common high-speed spindle configurations, while its double row construction distributes load evenly across contact surfaces, reducing wear and extending service life. The cylindrical roller design minimizes rotational inertia, allowing for faster acceleration and deceleration—critical for precision machining where tool positioning accuracy directly impacts part quality. As an open bearing, it accommodates custom lubrication solutions tailored to specific machine tool requirements, ensuring optimal performance in diverse operating conditions.
Why Genuine SKF Bearings Matter for Your Bottom Line
Choosing genuine SKF bearings over counterfeit alternatives directly impacts your total cost of ownership.高仿轴承可能初始价格较低，但通常缺乏 proper material heat treatment and precision manufacturing, leading to premature failure. A single spindle bearing failure can cost thousands in lost production, not to mention the expense of emergency repairs and replacement parts. Our SPW33VR5220 High-Speed Bearing comes with full certification documents, ensuring compliance with DIN standards and traceability through SKF’s global supply chain—protecting your equipment investment and operational continuity.
Your Trusted Partner for Precision Bearing Solutions
As an official SKF distributor with dual European brand authorization, we maintain sufficient P4/P2 grade stock to meet urgent maintenance needs. Our senior application engineers provide technical support to ensure proper bearing selection, while our precision testing procedures validate every unit before shipment. With premium shockproof logistics and service to 800+ clients across 45+ countries, we deliver reliable solutions that machine tool manufacturers and integrators depend on.
Packaging & Shipping
- Original SKF packaging with product identification and batch traceability
- Protective outer packaging to prevent damage during transit
- Global shipping via DHL, FedEx, UPS, air, or sea freight
- Real-time logistics tracking provided upon dispatch
- Minimum order quantity of 1 piece, supporting emergency repairs
Get Your High-Speed Machine Tool Bearing Today
Don’t let bearing issues slow your production. Whether you need a single NN 3028 K/SPW33VR5220 for emergency repair or multiple units for planned maintenance, our inventory and streamlined procurement process ensure quick delivery. Send us your requirements, and our team will confirm availability and provide a quotation within one working day.
Frequently Asked Questions
Q: Is this a genuine SKF bearing?
A: Yes, we are an official SKF authorized distributor. Each bearing comes with full certification and can be traced through SKF’s official supply chain.
Q: How do I confirm if this bearing fits my machine tool?
A: Provide your machine tool model or spindle specifications, and our senior application engineers will verify compatibility at no cost.
Q: What is your warranty policy?
A: We adhere to SKF’s original manufacturer 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 needs.
Q: How quickly can you ship this bearing?
A: In-stock items ship within 3-7 working days via your preferred logistics method.
Q: How can I verify the bearing’s authenticity?
A: Each bearing includes SKF’s original packaging with security features. We also provide complete traceability documents and can assist with verification through SKF’s official channels.
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 Super Precision Double Row Cylindrical Roller Bearing NN 3028 K/SPW33VR5220 for High-Speed Machine Tools 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