Roller Bearing with Cylindrical Rollers NN3018 TN9/SPW33 for CNC Machine Tools

Product Specifications

Application Industries

Reduce CNC Downtime with Precision Cylindrical Roller Bearing NN3018 TN9/SPW33

CNC machine operators know the frustration of unexpected spindle failures—hours of production lost, maintenance crews scrambling, and deadlines slipping. Many face the double challenge of sourcing authentic high-precision bearings quickly and ensuring they match exact application requirements. When critical components like the NN3018 TN9/SPW33 cylindrical roller bearing fail prematurely, the cost extends far beyond replacement parts.

Genuine SKF Bearings in Stock for Immediate Dispatch

The NN3018 TN9/SPW33 double row cylindrical roller bearing is engineered for the high-rigidity, high-speed demands of CNC machine tool spindles. As an officially authorized SKF distributor, we maintain ready stock of P4/P2 precision grade bearings, ensuring this critical component is available for same-day processing. Our standardized precision testing procedures verify dimensional accuracy and rotational performance before shipment, eliminating the risk of installing substandard parts in your equipment.

Engineered for CNC Spindle Performance

This bearing excels in applications requiring radial load capacity and precise axial guidance—key requirements for CNC lathes, machining centers, and grinders. Its double row design provides increased rigidity, while the cylindrical roller structure ensures uniform load distribution across the raceways. Operating in moderate temperature environments, it maintains stability even during extended production runs, making it a reliable choice for continuous-duty industrial automation systems.

Technical Features That Impact Machine Accuracy

The NN3018 TN9/SPW33 incorporates design elements critical to CNC performance. Its open seal configuration allows for lubrication optimization, essential for managing heat generation at high rotational speeds. The double row construction enhances radial load handling, supporting heavier cutting operations without compromising precision. As a high precision cylindrical roller bearing, it minimizes runout, directly contributing to tighter machining tolerances and superior surface finishes on workpieces. Each unit undergoes full-process quality traceability checks, ensuring compliance with ISO 9001 standards for consistent performance.

Why Authenticity Matters for Your Bottom Line

Non-genuine bearings often fail within 30-50% of the expected service life of authentic SKF components. This premature failure leads to unplanned downtime, increased maintenance labor costs, and potential damage to expensive spindle assemblies. The NN3018 TN9/SPW33 from authorized channels comes with complete certification documentation, ensuring you receive a product engineered to original specifications. Choosing genuine bearings reduces total cost of ownership by extending maintenance intervals and preventing catastrophic equipment failures.

Our Commitment to Reliable Supply

Packaging & Shipping

• Package Size: 15.00cm * 15.00cm * 15.00cm
• Package Gross Weight: 0.350kg
• Priority processing available for urgent maintenance needs
• Centralized shipment with real-time logistics tracking
• Single point of contact for all delivery inquiries

Get Your CNC Bearing Shipped Today

Don’t let bearing delays halt your production schedule. The NN3018 TN9/SPW33 is in stock and ready for immediate dispatch. Send your order details now to secure same-day processing, and minimize downtime with a genuine SKF solution engineered for CNC machine tool reliability.

Frequently Asked Questions