Double Row Angular Contact Ball Bearing 3311A-2Z/C3 MT33 Shielded for CNC Machine Tools

Product Specifications

Application Industries

Minimize CNC Downtime with 3311A-2Z/C3 MT33 Double Row Angular Contact Ball Bearings

CNC machine operators know the frustration of unplanned downtime—especially when it stems from bearing failure. Misaligned precision, inconsistent quality from multiple suppliers, and long lead times for critical replacements can disrupt production schedules and erode profitability. When your spindle stops turning, every minute counts.

Genuine Bearings, In Stock for Immediate Deployment

The Double Row Angular Contact Ball Bearing 3311A-2Z/C3 MT33 addresses these challenges with a combination of authentic quality and rapid availability. As an officially authorized distributor, we maintain sufficient ready stock of P4/P2 precision grade bearings, ensuring this shielded ball bearing can be dispatched within days—not weeks. Designed for CNC machine tool spindles, it delivers the stable performance needed for high-precision machining operations.

Engineered for CNC Machine Tool Performance

This double row shielded bearing excels in the demanding conditions of CNC machining, where it withstands both radial and axial loads while maintaining tight rotational accuracy. The 2Z shielded design provides effective protection against coolant and debris intrusion, extending service life in shop floor environments. Whether powering vertical machining centers or horizontal lathes, its angular contact configuration ensures minimal runout and consistent tool positioning.

Technical Details That Drive CNC Precision

Three critical features define this bearing’s performance in CNC applications: its precision rating, cage material, and clearance class. Available in P0/P2/P4/P5/P6 grades, the bearing meets strict DIN standards for dimensional accuracy—essential for maintaining spindle concentricity. The steel cage option offers superior rigidity at high speeds, ensuring stable ball guidance even during rapid acceleration. With a C3 clearance, it accommodates thermal expansion in continuous-duty operations, reducing the risk of seizure and prolonging bearing life under heavy load conditions.

The Hidden Cost of Non-Genuine CNC Bearings

Opting for counterfeit or low-quality angular contact bearings may seem cost-effective initially, but the long-term consequences are severe. Premature failure can lead to spindle damage, requiring repairs that cost 5–10 times the bearing’s value. Inconsistent precision results in scrapped workpieces and rework, while extended downtime disrupts production schedules. Our ISO 9001-compliant quality control ensures every 3311A-2Z/C3 MT33 bearing meets original equipment specifications, minimizing total cost of ownership through reliable performance.

Why CNC Operators Trust Our Bearing Solutions

Packaging & Shipping

• Original manufacturer packaging with product certification and batch traceability documentation
• Expedited delivery available for urgent maintenance needs
• Global logistics options including DHL, FedEx, and UPS with real-time tracking
• Protective outer packaging to prevent damage during transit
• Minimum order quantity of 1 unit, ideal for emergency repairs or scheduled maintenance

Get Your CNC Spindle Running Again

Don’t let bearing issues keep your CNC machine offline. Send us your bearing designation, machine model, and required quantity today. Our team will confirm compatibility and provide a quote within one working day, with现货 available for immediate shipment to minimize production disruption.

Frequently Asked Questions