High Precision Double Row Angular Contact Ball Bearing 3304-a for CNC Machine Tool Spindle

Product Specifications

Application Industries

Eliminate CNC Spindle Downtime with High Precision Double Row Angular Contact Ball Bearing 3304-a

CNC machine operators know the cost of spindle failure—unplanned downtime, missed production deadlines, and expensive repairs. Sourcing reliable high precision bearings often means navigating multiple suppliers, inconsistent quality, and long lead times. When your spindle needs a replacement, waiting weeks for the right bearing isn't an option.

Genuine SKF 3304-a Bearings in Stock for Immediate Shipment

As an official SKF distributor, we stock the High Precision Double Row Angular Contact Ball Bearing 3304-a specifically designed for CNC machine tool spindles. Our ISO 9001 quality control system ensures every bearing meets SKF's strict standards, so you avoid the risks of counterfeit products. With our centralized inventory, we can fulfill urgent orders quickly, minimizing your production downtime.

Optimal Performance in CNC Spindle Applications

This Double Row Angular Contact Ball Bearing excels in high-speed, precision-critical environments like CNC spindles. Its angular contact design handles both radial and axial loads simultaneously, maintaining stability even at maximum operating speeds. The separated structure allows for easy mounting and adjustment, making it ideal for applications where precise preload control is essential for machining accuracy.

Key Technical Features That Ensure Spindle Reliability

The 3304-a's precision rating options (P0 to P2) let you match bearing accuracy to your specific CNC application—P2 grade for high-precision machining centers, P5 for general-purpose lathes. Its bearing steel construction provides exceptional durability, while the choice of steel, copper, or nylon cages allows optimization for different speed and temperature requirements. The dual lubrication compatibility (oil or grease) ensures flexibility in maintenance routines, helping extend spindle life and reduce maintenance intervals.

Why Genuine SKF Bearings Lower Your Total Cost of Ownership

Counterfeit angular contact bearings may cost less upfront, but they often fail prematurely due to poor material quality and imprecise manufacturing. A single spindle failure from a fake bearing can cost thousands in lost production and repair. Our genuine SKF 3304-a bearings, backed by SKF's engineering expertise, deliver consistent performance over extended service life, reducing the frequency of replacements and unplanned downtime—ultimately lowering your total cost of ownership.

Why 1,100+ Global Clients Trust Our Bearing Solutions

Packaging & Shipping

• Original SKF packaging with product certification and batch traceability
• Secure carton pallet packaging to prevent damage during transit
• 3-7 business days delivery for in-stock items
• Flexible shipping via DHL, FedEx, UPS, air freight, or sea freight
• Real-time logistics tracking provided for all shipments
• Minimum order quantity of 1 piece to support emergency repairs

Get Your CNC Spindle Back to Work—Order Today

Every day your CNC machine is down costs money. Our in-stock High Precision Double Row Angular Contact Ball Bearing 3304-a can be on its way to you within hours of your order. Don't let bearing issues slow your production—secure the genuine SKF part you need now.

Frequently Asked Questions