Double Row Angular Contact Ball Bearing 3307 High Precision for CNC Machine Tools

Product Specifications

Application Industries

Eliminate CNC Downtime with High-Precision 3307 Double Row Angular Contact Ball Bearings

CNC machine operators know the frustration of unexpected spindle failures—hours of production lost, missed deadlines, and costly repairs. Many face the challenge of sourcing authentic high-precision bearings quickly, especially when dealing with multiple suppliers for different components. The wrong bearing can lead to premature wear, reduced machining accuracy, and increased energy consumption, directly impacting your bottom line.

Genuine 3307 Bearings in Stock for Immediate Delivery

Our Double Row Angular Contact Ball Bearing 3307 solves these challenges with immediate availability of P2/P4 precision grades—no minimum order quantities, no extended lead times. As an officially authorized distributor, we guarantee 100% authentic products that meet strict ISO 9001 and DIN quality standards. Whether your CNC machine requires replacement bearings for routine maintenance or emergency repairs, our ready stock ensures you get the right part when you need it most.

Optimal Performance in High-Precision Machining Environments

This angular contact ball bearing excels in applications requiring both radial and axial load capacity, making it ideal for CNC machine tool spindles operating at high speeds. Its double row design provides enhanced rigidity and alignment accuracy, critical for maintaining tight tolerances in precision machining. The bearing’s separated structure allows for easy mounting and dismounting, simplifying maintenance procedures and reducing downtime during repairs.

Technical Features That Ensure Reliable Operation

The 3307 bearing’s precision rating options (P2/P4) directly impact machining accuracy—P4 grade offers tighter dimensional tolerances for high-speed spindles, while P2 grade provides superior runout control for ultra-precision applications. Its bearing steel construction delivers excellent wear resistance and load-bearing capacity, ensuring long service life even under continuous operation. The choice of cage materials (steel, copper, nylon) allows customization based on operating conditions: steel cages for high-temperature environments, nylon cages for reduced noise in precision applications, and copper cages for enhanced heat dissipation during heavy loads.

Why Authentic Bearings Matter for Your CNC Investment

Counterfeit bearings may offer lower upfront costs, but they often fail prematurely due to substandard materials and manufacturing processes. A single spindle failure from a fake bearing can cost thousands in production losses and repairs, far exceeding the savings from cheaper alternatives. Our bearings come with complete certification documentation, ensuring traceability from manufacturing to delivery. By choosing genuine high-precision bearings, you protect your CNC equipment investment and maintain consistent production quality.

Your Trusted Partner for Precision Bearing Solutions

Packaging & Shipping

• Original manufacturer packaging with secure carton and pallet reinforcement
• 3-7 business days delivery for in-stock items
• Flexible shipping options including DHL, FedEx, UPS, air freight, and sea freight
• Real-time logistics tracking provided for all orders
• Minimum order quantity of 1 piece, supporting both emergency repairs and scheduled maintenance

Get Your 3307 Bearing Today

Don’t let bearing issues slow down your production. Send us your bearing designation, CNC machine model, and required quantity, and our team will provide a technical verification and quotation within one working day. With our ready stock and global delivery network, you can minimize downtime and get your CNC machine back to peak performance quickly.

Frequently Asked Questions