Product Specifications
| Parameter |
Details |
| Model NO. |
Double Row Angular Contact Ball Bearing |
| Separated |
Separated |
| Rows Number |
Double |
| Load Direction |
Radial Bearing |
| Material |
Bearing Steel |
| Precision Rating |
P0 P2 P4 P5 P6 |
| Type |
Ball |
| Structure |
Angular Contact |
| Cage |
Steel Cage, Copper Cage, Nylon Cage |
| Lubrication |
Oil Grease |
| Transport Package |
Carton Pallet |
| Specification |
As Your Request |
| Trademark |
SKF |
| Origin |
Jiangsu China |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Manufacturing |
CNC Machine Tools, Automation Production Lines, Precision Spindles |
| Machine Tools |
Lathes, Milling Machines, Grinding Machines |
| Industrial Automation |
Robotic Arms, Conveyor Systems, Assembly Equipment |
Eliminate CNC Downtime with High Precision Double Row Angular Contact Ball Bearing 3304-a
CNC machine operators know the frustration: unexpected bearing failure halts production, emergency replacements take days to source, and mismatched precision grades compromise machining accuracy. When your automation line relies on consistent performance, even small deviations in bearing quality can lead to scrapped parts and missed deadlines.
Precision Engineered for CNC Machine Reliability
Our High Precision Double Row Angular Contact Ball Bearing 3304-a with P4 precision rating addresses these challenges directly. As an official SKF distributor, we ensure every bearing meets strict ISO 9001 quality standards, with full traceability from manufacturing to delivery. Whether your CNC spindle operates at high speeds or handles heavy radial loads, this bearing delivers the stability needed for uninterrupted production.
Optimal Performance in Automation Line Applications
Designed for the demanding conditions of CNC machine automation lines, this double row angular contact bearing excels in high-speed rotation scenarios where both radial and axial loads are present. Its separated structure allows for easy mounting and dismounting during maintenance, while the range of cage materials (steel, copper, nylon) ensures compatibility with various lubrication and temperature requirements—critical factors in maintaining precision during extended production runs.
Technical Advantages That Drive Productivity
The P4 precision rating of this angular contact bearing ensures minimal runout and vibration, essential for achieving tight tolerances in CNC machining. Its bearing steel construction provides high durability, extending service life even under continuous operation. The dual-row design increases load-carrying capacity compared to single-row alternatives, making it suitable for heavy-duty automation tasks. When combined with proper lubrication (oil or grease), this bearing maintains consistent performance across a wide range of operating speeds, reducing the need for frequent maintenance interruptions.
Avoid the Hidden Costs of Substandard Bearings
Choosing non-genuine bearings may seem cost-effective initially, but the long-term consequences are substantial. Counterfeit bearings often fail prematurely, leading to unplanned downtime that costs manufacturers thousands in lost production. Poor precision can cause dimensional inaccuracies, resulting in rework or rejected parts. As an authorized SKF distributor, we guarantee authentic products that meet original equipment specifications, protecting your investment in CNC machinery and reducing total cost of ownership through reliable performance and longer service intervals.
Why Global Manufacturers Trust Our Bearing Solutions
With dual-brand authorization from SKF and Timken, we offer verified genuine bearings backed by a unified ISO 9001 quality inspection system. Our centralized inventory spans 55+ countries, ensuring quick access to critical parts for emergency repairs. Our cross-brand technical team provides expert support for选型 and application questions, while our one-stop procurement process simplifies ordering—even when you need multiple bearing types for complex machinery. Serving over 1,200 clients worldwide, we understand the importance of reliable supply chains in industrial manufacturing.
Packaging & Shipping
- Original SKF packaging with protective carton and pallet for secure transport
- 现货 available for delivery within 3-7 business days
- Flexible shipping options including DHL, FedEx, UPS, air, and sea freight
- Real-time logistics tracking provided for all orders
- Minimum order quantity of 1 piece, ideal for both maintenance and small-batch production needs
Get Your CNC Line Back to Peak Performance
Don’t let bearing issues slow down your automation line. The High Precision Double Row Angular Contact Ball Bearing 3304-a is in stock and ready to ship, ensuring minimal downtime for your CNC machines. Whether you need a single replacement or a bulk order for scheduled maintenance, we provide competitive pricing and expert technical support to keep your production on track.
Frequently Asked Questions
Q: Is this bearing a genuine SKF product?
A: Yes, we are an official SKF authorized distributor. Every product can be traced to the authentic supply chain, and we provide complete authorization documentation upon request.
Q: How do I confirm if this bearing fits my CNC machine?
A: Provide your machine model or specific application parameters (load, speed, temperature), and our technical team will verify compatibility and provide选型 support at no cost.
Q: What is the warranty policy for this bearing?
A: We adhere to SKF’s original manufacturer warranty standards, covering manufacturing defects with unconditional replacement or refund.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, supporting emergency maintenance and small-scale procurement needs.
Q: How long does shipping take, and what methods are available?
A: In-stock items ship within 3-7 business days. We offer flexible logistics including DHL, FedEx, UPS, air freight, and sea freight to match your delivery timeline requirements.
Q: How can I verify the authenticity of the bearing?
A: Authentic SKF bearings include packaging with security labels, laser-etched markings, and unique verification codes that can be checked on SKF’s official website. We provide full traceability documentation with every order.
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