Double Row Cylindrical Roller Bearing NN3022 K TN9/SP for CNC Machine Tools 120-190mm

Product Specifications

Application Industries

Minimize CNC Downtime with Precision NN3022 K TN9/SP Double Row Cylindrical Roller Bearings

CNC machine operators know the frustration of unplanned downtime—especially when it stems from bearing failure. Replacing a worn bearing means halting production, losing critical project deadlines, and incurring unexpected repair costs. Sourcing reliable, high-precision bearings for CNC spindles often involves navigating multiple suppliers, inconsistent quality standards, and uncertain delivery times.

NN3022 K TN9/SP Bearings: In Stock and Ready for CNC Applications

Our Double Row Cylindrical Roller Bearing NN3022 K TN9/SP is engineered to address these challenges. With a 120-190mm outer dimension and precision-grade construction, this bearing delivers stable performance in CNC machine tool spindles, where radial load capacity and rotational accuracy are critical. As an officially authorized distributor, we maintain sufficient ready stock of high-precision bearings, ensuring rapid delivery to minimize your equipment downtime.

Optimal Performance in CNC Spindle Environments

This Double Row Cylindrical Roller Bearing excels in high-speed CNC applications, where it withstands radial loads and maintains precise alignment under continuous operation. The separated design allows for easy installation and maintenance, while the non-aligning configuration ensures stability in rigid spindle assemblies. Whether your CNC machine is used for heavy-duty milling or precision turning, this bearing provides the consistent performance needed to maintain tight tolerances and production efficiency.

Key Technical Features That Enhance CNC Operation

The NN3022 K TN9/SP bearing incorporates critical design elements that directly impact CNC machine performance. Its bearing steel construction, hardened to 60-64 HRC, ensures durability and resistance to wear under repeated load cycles. The cage options—brass or steel—offer flexibility for different speed and temperature requirements, with brass cages providing superior strength at higher rotational speeds. Clearance grades from C0 to C5 allow customization for specific preload needs, balancing rigidity and thermal expansion in precision spindle applications. Vibration classes Z1V1 to Z3V3 further reduce noise and ensure smooth operation, critical for maintaining surface finish quality in CNC machining.

Avoid Costly Counterfeits: Invest in Certified Quality

Choosing non-genuine bearings for CNC machines may seem cost-effective initially, but the hidden costs are significant. Counterfeit bearings often fail prematurely due to substandard materials and manufacturing processes, leading to spindle damage, production delays, and expensive repairs. Our bearings undergo standardized precision testing procedures with full-process quality traceability, compliant with ISO 9001 and DIN standards. Every NN3022 K TN9/SP bearing comes with complete certification documentation, ensuring you receive a product that meets the strictest quality requirements for CNC applications.

Why CNC Manufacturers Trust Our Bearing Solutions

Packaging & Shipping

• Carton pallet packaging designed to protect bearing precision during transit
• Ready stock available for priority processing and rapid delivery
• Flexible shipping options including DHL, FedEx, UPS, air, and sea freight
• Real-time logistics tracking for complete shipment visibility
• Minimum order quantity of 1 piece, supporting both emergency maintenance and planned inventory

Secure Your CNC Bearing Supply Today

Don’t let bearing issues disrupt your CNC production schedule. The NN3022 K TN9/SP Double Row Cylindrical Roller Bearing is in stock and ready to ship, ensuring you can quickly restore equipment operation. Send us your requirements, and we’ll provide a detailed quotation with technical verification within one working day.

Frequently Asked Questions