Double Row Cylindrical Roller Bearing Nu320 Ec M/C3 for CNC Machine Tools High Precision

Product Specifications

Application Industries

Reduce CNC Downtime with Nu320 Ec M/C3 High Precision Double Row Cylindrical Roller Bearing

CNC machine operators know the frustration of unexpected spindle failures—especially when substandard bearings cause premature wear, costing hours of production and thousands in repairs. Sourcing reliable high-precision bearings often means coordinating with multiple suppliers, each with different lead times and quality standards, delaying critical maintenance.

Precision Bearings in Stock for Immediate Delivery

The Nu320 Ec M/C3 Double Row Cylindrical Roller Bearing addresses these challenges with our ready stock of P4/P2 precision grade bearings. As an officially authorized distributor, we ensure 100% authentic products that meet ISO 9001 and DIN standards. This separated roller bearing, designed for CNC machine tool spindles, delivers the stability needed for high-speed operations, with same-day technical verification and quotation to keep your production on track.

Engineered for High-Precision CNC Operations

This High Precision C3 Clearance Bearing excels in demanding CNC environments where radial load capacity and rotational accuracy are critical. Its separated design allows for easy mounting and dismounting during maintenance, while the C3 clearance provides optimal thermal expansion compensation—essential for sustained high-speed rotation without premature fatigue. Whether powering vertical machining centers or horizontal lathes, this bearing maintains consistent performance under variable loads.

Technical Features That Maximize Machine Uptime

The Nu320 Ec M/C3’s 60-64 HRC hardness ensures resistance to wear, even in continuous operation. Its brass or steel cage options balance durability and weight, optimizing lubricant distribution for reduced friction. The Z1V1 to Z3V3 vibration grades allow customization based on noise sensitivity, while the C3 clearance grade is specifically engineered for applications requiring moderate internal play to accommodate thermal growth. These features collectively extend bearing life by up to 30% compared to standard alternatives.

Why Authentic Bearings Lower Total Cost of Ownership

Counterfeit bearings may offer lower upfront costs, but they often fail within months, leading to unplanned downtime, damaged spindles, and increased labor expenses. Our standardized precision testing procedures—from incoming material verification to finished product delivery—ensure each bearing meets strict quality criteria. By choosing genuine High Precision C3 Clearance Bearings, you avoid hidden costs associated with premature failures, reducing long-term maintenance budgets by an average of 40%.

Why 800+ Global Clients Trust Our Bearing Solutions

Packaging & Shipping

• Carton pallet packaging with protective internal cushioning to prevent damage during transport
• Ready stock items shipped within 3-7 working days of order confirmation
• Global logistics options including DHL, FedEx, UPS, air freight, and sea freight
• Real-time tracking provided for all shipments
• Minimum order quantity of 1 piece, ideal for emergency repairs and small-batch requirements

Secure Your CNC Machine’s Performance Today

Don’t let bearing issues disrupt your production schedule. The Nu320 Ec M/C3 Double Row Cylindrical Roller Bearing is in stock and ready to ship, ensuring minimal downtime for your CNC operations. Send us your requirements now to receive a detailed quotation and technical specifications tailored to your machine’s needs.

Frequently Asked Questions