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 |
|---|---|
| Machine Tool | Precision spindle systems, feed drives, rotary tables |
Need a Reliable Double Row Angular Contact Ball Bearing for Machine Tools? Here’s What Matters
Machine tool operators know the frustration of precision bearing failures—excessive vibration ruining workpiece accuracy, unexpected downtime cutting production schedules, and the hassle of sourcing replacements that match original specifications. With so many options claiming “high precision,” finding a bearing that truly delivers consistent performance can feel like searching for a needle in a haystack.
Engineered for Machine Tool Precision Performance
This Double Row Angular Contact Ball Bearing addresses these challenges with features designed for the demanding environment of machine tools. As part of our comprehensive bearing range that includes deep groove ball, tapered roller, and spherical roller bearings, we ensure access to the exact specifications you need without the delays of multiple supplier searches. The nylon cage option reduces friction and heat generation during high-speed operation, crucial for maintaining tight tolerances in precision machining applications.
Optimal Performance in Critical Machine Tool Applications
This bearing excels in radial and axial load environments where precision and rigidity are non-negotiable. Typical operating conditions include spindle speeds up to 10,000 RPM in constant-duty machining centers, with temperature ranges from -30°C to 120°C. Whether used in vertical milling machines or horizontal lathes, its double row design provides superior moment load resistance, minimizing deflection under heavy cutting forces.
Key Engineering Features That Impact Machining Accuracy
The bearing’s precision rating options (P0 to P6) allow matching to specific application requirements—P4 and P5 grades deliver the runout control needed for fine finishing operations, while P0 offers cost-effective reliability for general purpose machine tools. Constructed from high-grade bearing steel, it provides the hardness (HRC 58-62) necessary to withstand continuous contact stress without deformation. The angular contact design enables preload adjustment, critical for eliminating backlash in positioning systems. Nylon cage variants offer quieter operation and reduced lubricant consumption compared to metal alternatives, extending maintenance intervals.
Why Precision Bearing Selection Lowers Total Machining Costs
Choosing the right angular contact bearing directly impacts your bottom line. A bearing with insufficient precision can cause tool chatter, increasing scrap rates by up to 15% in precision parts production. Early bearing failure not only requires replacement parts but also leads to unplanned downtime—costing an average of $500-$2,000 per hour for CNC machine tools. This Double Row Angular Contact Ball Bearing’s robust construction and material quality reduce these risks, contributing to lower total cost of ownership through extended service life and consistent performance.
Quality Assurance You Can Trust
Our bearings undergo rigorous inspection processes aligned with ISO 9001 standards, including dimensional verification, hardness testing, and surface finish analysis. Each unit comes with traceability documentation, ensuring full transparency from raw material to finished product. We stand behind our products with a warranty covering manufacturing defects, providing peace of mind for your critical machining operations. With a large-scale inventory covering over 95% of conventional models, we support same-day shipping for urgent replacement needs, minimizing production disruptions.
Packaging & Shipping
- Standard packaging: Carton boxes with palletized shipping for bulk orders
- Same-day shipping available for in-stock items
- Flexible logistics options: Express courier, air freight, or sea shipping based on urgency and destination
- Low minimum order quantity supported, from single units to full container loads
Get Your Double Row Angular Contact Ball Bearing Quote Today
Whether you need the SKF 3304-A TN9 model or another precision bearing variant, provide us with your required dimensions, quantity, and application details. Our technical team can help verify compatibility with your machine tool specifications, ensuring you get the right bearing for the job. The sooner you confirm your requirements, the sooner we can arrange delivery to keep your production on schedule.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides SKF?
A: Yes, we provide a full range of bearings including international brands like NSK, NTN, Koyo, NACHI, IKO, FAG, Timken as well as domestic Chinese brands, all available for询价 based on your specific requirements.
Q: How can I confirm if this bearing will fit my machine tool?
A: Provide your machine model or the original bearing dimensions (bore diameter, outer diameter, width), and our technical team will cross-reference with manufacturer specifications to ensure compatibility.
Q: What is your warranty policy for these bearings?
A: We offer a warranty against manufacturing defects. The specific warranty period and terms are detailed in our sales contract, with support for replacement or refund in case of verified quality issues.
Q: What is the minimum order quantity for this bearing?
A: We support low minimum order quantities, including single unit purchases, making it convenient for both maintenance replacement and production line requirements.
Q: How long does shipping take to my location?
A: In-stock items ship the same day. Delivery times vary by destination—typically 7-15 days for most countries and regions via our global delivery network, with expedited options available for urgent needs.
Q: Can you provide custom bearing solutions if I need non-standard specifications?
A: Yes, we support OEM/ODM customization based on customer-provided drawings or technical specifications, including special materials, cage designs, and precision grades.
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.







