Double Row Cylindrical Roller Bearing Nu318 Ec P/C3 for CNC Machine Tools High Precision

Product Specifications

Application Industries

Reduce CNC Machine Downtime with Nu318 Ec P/C3 High Precision Double Row Cylindrical Roller Bearing

CNC machine operators know the frustration of unexpected spindle failures—unplanned downtime can cost thousands in lost production. Many turn to low-cost bearings only to face premature wear, poor precision, or mismatched clearances that compromise machining accuracy. Sourcing from multiple suppliers complicates inventory management, and lengthy lead times for critical components only worsen the problem.

High Precision Bearings In Stock for Immediate Delivery

The Double Row Cylindrical Roller Bearing Nu318 Ec P/C3 is engineered to solve these challenges. As an officially authorized distributor, we maintain sufficient ready stock of P4/P2 precision grade bearings, ensuring this critical component for CNC machine tools is available for rapid delivery. Our standardized precision testing procedures verify every bearing meets ISO 9001 and DIN standards before shipment, eliminating the risk of receiving substandard parts.

Optimal Performance in High-Speed Machining Applications

This Double Row Cylindrical Roller Bearing excels in the demanding conditions of CNC machine tool spindles, where high rotational speeds and radial loads are constant. Its separated design allows for easy mounting and dismounting during maintenance, while the C3 clearance grade provides the ideal balance between operational stability and thermal expansion compensation. The combination of bearing steel construction and 60-64 HRC hardness ensures long-term durability even under continuous use.

Technical Features That Maximize CNC Machine Productivity

The Nu318 Ec P/C3's performance is defined by critical technical attributes. Its brass or steel cage options optimize roller guidance and lubricant distribution, reducing friction and heat generation at high speeds. The Z1V1 to Z3V3 vibration classes allow selection based on precision requirements—lower vibration levels (Z3V3) are critical for finishing operations where surface quality is paramount. The bearing's medium and large outer dimension range (120-190mm) positions it perfectly for mid-sized CNC spindles, balancing load capacity with rotational efficiency.

Why Genuine Bearings Lower Total Cost of Ownership

Counterfeit or substandard cylindrical roller bearings may save on initial cost but often lead to higher expenses long-term. Premature failure can damage expensive spindle components, require extensive downtime for replacement, and compromise workpiece quality. Our bearings come with complete certification documentation, ensuring traceability from manufacturing to delivery. By meeting strict quality standards, the Nu318 Ec P/C3 High Precision Bearing reduces maintenance frequency and extends service intervals, delivering better value over its lifecycle.

Why Global Manufacturers Trust Our Bearing Solutions

Packaging & Shipping

• Secure carton pallet packaging with protective measures to prevent damage during transit
• Priority processing available for urgent maintenance needs
• Flexible shipping options including DHL, FedEx, UPS, air, and sea freight
• Real-time logistics tracking for full shipment visibility
• Minimum order quantity of 1 piece, supporting both emergency repairs and planned maintenance

Get Your Nu318 Ec P/C3 Bearing Shipped Today

Don't let bearing issues disrupt your CNC production schedule. The Nu318 Ec P/C3 High Precision Double Row Cylindrical Roller Bearing is in stock and ready to ship. Send us your requirements now to get started—every day of downtime is a day of lost productivity.

Frequently Asked Questions