Heavy Duty Double Row Angular Contact Ball Bearing 3307A-2Z/C3 for CNC Machine Tools

Product Specifications

Application Industries

Minimize CNC Downtime with Reliable 3307A-2Z/C3 Angular Contact Bearings

CNC machine operators know the frustration of unexpected spindle failures—hours of production lost, missed deadlines, and costly repairs. Sourcing genuine double row angular contact bearings often means navigating multiple suppliers with inconsistent lead times, while substandard alternatives risk premature wear and compromised machining accuracy.

Genuine 3307A-2Z/C3 Bearings in Stock for Immediate Delivery

Our 3307A-2Z/C3 double row angular contact ball bearing solves these challenges with 100% authentic SKF quality and ready inventory. As an officially authorized distributor, we maintain sufficient P4/P2 precision grade stock to meet urgent CNC machine tool maintenance needs, ensuring your production line stays operational with minimal disruption.

Engineered for CNC Spindle Performance

This heavy duty ball bearing excels in high-precision CNC machine tool applications, where it handles combined radial and axial loads at moderate to high speeds. Its angular contact design provides the rigidity required for precision cutting operations, while the double row configuration delivers enhanced load capacity compared to single row alternatives—critical for maintaining machining accuracy under varying cutting forces.

Technical Features That Maximize Reliability

The 3307A-2Z/C3 bearing incorporates several key features that directly impact CNC spindle performance. Its C3 clearance grade allows for thermal expansion during continuous operation, preventing premature failure from heat-induced friction. The steel, copper, or nylon cage options accommodate different speed and load requirements, with steel cages offering durability for heavy-duty applications and nylon cages reducing noise in high-speed scenarios. Precision ratings from P0 to P2 ensure compatibility with everything from general machining to ultra-precision applications, while the separated structure simplifies installation and maintenance.

Why Authenticity Matters for CNC Bearings

Counterfeit angular contact bearings may save on initial cost but often lead to higher total expenses. Inferior materials and manufacturing tolerances result in inconsistent performance, increased vibration, and shortened service life—issues that directly affect CNC machining accuracy and repeatability. Our bearings comply with ISO 9001 and DIN standards, with full traceability from raw material to delivery, eliminating the risks of hidden defects that cause unplanned downtime.

Why Global CNC Manufacturers Trust Our Bearings

Packaging & Shipping

• Original SKF packaging with protective carton and pallet reinforcement
• Stock items shipped within 3-7 business days
• Flexible shipping options including DHL, FedEx, UPS, air, and sea freight
• Real-time logistics tracking provided for all shipments
• Minimum order quantity of 1 unit, ideal for emergency repairs

Get Your 3307A-2Z/C3 Bearing Shipped Today

Every hour of CNC downtime costs production revenue. Whether you need a single replacement bearing or a stock of spares, our ready inventory and streamlined procurement process ensure fast delivery. Send us your requirements now to keep your machines running at peak performance.

Frequently Asked Questions