Description
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 Suitability
| Industry | Typical Applications |
|---|---|
| Automation | CNC Machine Automation Line |
Struggling with Precision Issues in CNC Machine Bearings? The 3304-a Angular Contact Ball Bearing Delivers
CNC machine operators know the frustration of bearing-related downtime—excessive vibration from misalignment, premature wear due to low precision ratings, or compatibility issues when replacing critical components. Sourcing a reliable High Precision Double Row Angular Contact Ball Bearing that meets both performance demands and delivery timelines often means navigating multiple suppliers, each with limited inventory and varying quality standards.
Built for the Rigors of CNC Automation Lines
This 3304-a Bearing addresses these challenges with a design optimized for high-precision applications. As part of our extensive range of industrial bearings, it benefits from our ISO 9001-certified quality control processes, ensuring each unit undergoes strict dimensional and hardness testing before shipment. With inventory spanning both international brands and domestic equivalents, we can fulfill orders for this Steel Cage Bearing within 48 hours for urgent production needs, eliminating the delays of traditional procurement channels.
Engineered for High-Speed, High-Load CNC Environments
Operating in CNC machine automation lines requires bearings that handle radial and axial loads simultaneously while maintaining tight tolerances. The double row angular contact design provides enhanced rigidity, making it ideal for spindle assemblies and feed mechanisms where precision directly impacts machining accuracy. Its steel cage construction ensures stability at rotational speeds up to 10,000 RPM, with lubrication options (oil or grease) tailored to specific operating temperatures and contamination levels.
Key Specifications That Drive Performance
The precision rating options (P0 to P6) allow customization based on application criticality—P4 and P5 grades for high-precision CNC axes, where runout must be minimized to prevent workpiece inaccuracies. The separated structure facilitates easy mounting and dismounting during maintenance, reducing machine downtime. Constructed from high-grade bearing steel, this Angular Contact Ball Bearing offers surface hardness exceeding 58 HRC, ensuring resistance to wear even in continuous-duty operations. The combination of these features results in a bearing that balances durability with the precision required for modern automation lines.
Why Choosing the Right Bearing Lowers Total Cost
Opting for a lower-quality bearing might reduce upfront costs, but the hidden expenses add up quickly: unplanned production stops for replacements, increased tool wear from vibration, and scrapped workpieces due to dimensional errors. This High Precision Angular Contact Bearing for CNC applications minimizes these risks through consistent performance and longer service life. By adhering to international dimensional standards, it ensures interchangeability with existing setups, avoiding the need for costly machine modifications—ultimately lowering total cost of ownership.
Quality You Can Rely On
Our commitment to quality starts with raw material inspection, where each batch of bearing steel is tested for chemical composition and mechanical properties. Finished bearings undergo roundness, clearance, and noise level testing, with results documented for traceability. We stand behind our products with a standard质保期, covering manufacturing defects and ensuring replacements are processed efficiently. Whether you require the SKF-branded version or an equivalent, our global procurement network ensures access to authentic products that meet your specifications.
Packaging & Shipping
- Standard packaging: Carton boxes on pallets, with optional custom packaging available for export
- Stock items ship within 48 hours of order confirmation
- Flexible logistics options: Express courier, air freight, or sea freight based on urgency and destination
- Low minimum order quantity supported, accommodating both trial runs and large-scale production needs
Get Your 3304-a Bearing Quote Today
Whether you need a single unit for maintenance or bulk quantities for production, provide your exact model requirements, quantity, and delivery location, and our technical team will confirm availability and pricing. With access to both the 3304-a Bearing and its equivalents across major brands, we simplify your procurement process—no need to manage multiple suppliers for different bearing types.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides those listed?
A: Yes, we support procurement across all major international and domestic brands. Simply provide the brand, model, or dimensions, and we will source accordingly.
Q: How can I confirm if this bearing fits my CNC machine?
A: Share your machine model, existing bearing part number, or critical dimensions (bore diameter, outer diameter, width), and our engineering team will verify compatibility.
Q: What is your warranty policy for bearings?
A: We provide a standard质保期 against manufacturing defects. Specific terms, including duration and coverage, are detailed in each sales contract.
Q: What is the minimum order quantity for this 3304-a bearing?
A: We accept low minimum order quantities, including single units for emergency replacements, with volume discounts available for bulk purchases.
Q: How long does shipping take to [my location]?
A: For in-stock items, domestic shipments typically arrive within 3-5 days, while international deliveries vary by region—express options can reduce transit time to 3-7 days.
Q: Can you customize bearings with specific lubrication or cage materials?
A: Yes, we offer OEM/ODM services, including custom lubrication, cage materials, and packaging, based on your technical drawings or specifications.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
