Double Row Cylindrical Roller Bearing Nu326 Ec J for CNC Machine Tools with C3 Clearance

Product Specifications

Application Industries

Minimize CNC Downtime with Precision Nu326 EC J Cylindrical Roller Bearings

CNC machine operators know the frustration of unexpected spindle failures. When bearings fail prematurely, production stops, deadlines shift, and repair costs mount. Sourcing replacement bearings often means coordinating with multiple suppliers, verifying authenticity, and waiting weeks for delivery—time your operation can’t afford to lose.

Authentic Nu326 EC J Bearings, In Stock for Immediate Shipment

Our double row cylindrical roller bearing Nu326 EC J with C3 clearance is engineered for the high-precision demands of CNC machine tools. As an officially authorized distributor, we maintain sufficient ready stock of P4/P2 precision grade bearings, ensuring you get genuine components without costly delays. Whether you need a single unit for emergency repair or bulk orders for scheduled maintenance, our streamlined procurement process eliminates supplier coordination headaches.

Engineered for CNC Spindle Performance

This Nu326 EC J bearing excels in high-speed, high-load CNC spindle applications where precision and reliability are critical. Its separated design allows for easy mounting and dismounting during maintenance, while the C3 clearance provides optimal internal space to accommodate thermal expansion during continuous operation. The combination of brass or steel cage options ensures stable roller guidance even at maximum rotational speeds, making it ideal for heavy-duty machining centers and precision lathes.

Technical Features That Maximize Machine Uptime

The 60-64 HRC hardness rating ensures superior wear resistance, extending bearing life in demanding cutting environments. Vibration classes Z1V1 to Z3V3 allow customization based on noise and precision requirements—critical for maintaining surface finish quality in fine machining operations. The axial load capacity makes this bearing suitable for both radial and thrust-loaded spindle configurations, providing versatile performance across various CNC applications. Our standardized precision testing procedures verify every bearing meets DIN standards before shipment, ensuring consistent performance from installation to replacement.

Why Genuine Bearings Reduce Total Cost of Ownership

Counterfeit bearings may offer lower upfront prices, but they often lack proper material热处理 and dimensional accuracy. This leads to premature failure, increased vibration, and potential damage to expensive spindle components. A single spindle replacement can cost thousands in parts and labor, not counting production losses from unplanned downtime. Our genuine Nu326 EC J bearings come with complete certification documentation, ensuring traceability from manufacture to delivery. By investing in authentic components, you protect your equipment investment and reduce long-term maintenance costs.

Why 800+ Global Clients Trust Our Bearing Solutions

Packaging & Shipping

• Secure carton pallet packaging with protective cushioning to prevent damage during transit
• Priority processing available for urgent repair requirements
• Global logistics options including DHL, FedEx, UPS, air freight, and sea freight
• Real-time shipment tracking provided for all orders
• Minimum order quantity of 1 unit, supporting both emergency and scheduled maintenance needs

Get Your CNC Machine Back to Production

Every day your CNC machine is down costs money. Our in-stock Nu326 EC J cylindrical roller bearings with C3 clearance are ready to ship, minimizing your equipment downtime. Whether you need technical assistance with选型 or just want to confirm availability, our team is prepared to respond quickly to your request.

Frequently Asked Questions