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

Product Specifications

Application Industries

Prevent CNC Downtime with Nu320 EC ML/C3 High Precision Cylindrical Roller Bearings

CNC machine operators know the frustration of unexpected spindle failures—hours of production lost, missed deadlines, and costly repairs. Many such issues trace back to substandard bearings that fail prematurely under high-speed operation. Sourcing reliable precision bearings often means coordinating with multiple suppliers, each with different lead times and quality standards, further delaying maintenance.

Nu320 EC ML/C3 Bearings: In Stock and Quality Verified

Our Double Row Cylindrical Roller Bearing Nu320 EC ML/C3 eliminates these headaches. As an officially authorized distributor, we maintain sufficient ready stock of high-precision bearings, ensuring rapid delivery for urgent maintenance needs. Each bearing undergoes standardized precision testing before shipment, compliant with ISO 9001 and DIN standards, so you can install with confidence in CNC machine tool spindles and other high-precision applications.

Engineered for CNC Machine Tool Performance

This separated cylindrical roller bearing excels in high-rigidity, high-speed CNC environments where axial load capacity and precision are critical. Its medium and large outer dimension (120-190mm) makes it suitable for heavy-duty spindle applications, while the separated design allows for easy mounting and dismounting during maintenance—reducing equipment downtime.

Technical Features That Matter for CNC Operations

The Nu320 EC ML/C3 bearing’s design prioritizes performance in precision manufacturing. Its C3 clearance rating provides optimal internal space for thermal expansion during high-speed operation, preventing seizure and extending bearing life. The cage, available in brass or steel, ensures stable roller guidance even at maximum speeds, while the 60-64 HRC hardness of the bearing steel material guarantees wear resistance under continuous load. Vibration grades Z1V1 to Z3V3 allow selection based on noise sensitivity, with higher grades ideal for precision machining where minimal vibration is essential.

Why Genuine Bearings Lower Total Cost of Ownership

Choosing authentic high precision bearings over counterfeits reduces long-term costs significantly. Counterfeit bearings often fail within months, leading to unplanned downtime, damaged spindles, and lost production. Our bearings, backed by official brand authorization and full-process quality traceability, deliver consistent performance. The initial investment in genuine components is offset by extended service life, fewer replacements, and reduced maintenance labor—ultimately lowering your total cost of ownership.

Our Commitment to Reliable 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 full shipment visibility
• Minimum order quantity of 1 piece to support emergency maintenance

Get Your Nu320 EC ML/C3 Bearing Today

Don’t let equipment downtime affect your production schedule. Send us your Nu320 EC ML/C3 bearing requirements, including quantity and application details, and our team will provide a unified quotation within one working day. With our ready stock and streamlined procurement process, you can get your CNC machine back to work quickly.

Frequently Asked Questions