Double Row Angular Contact Ball Bearing 3304-A TN9 Nylon Cage for Machine Tool Precision

Product Specifications

Application Suitability

Need Reliable SKF 3304-A TN9 Double Row Angular Contact Ball Bearings? Here's What Matters

Machine tool operators know the frustration of bearing failures—missed deadlines from unexpected downtime, poor workpiece accuracy due to worn components, and the hassle of sourcing exact replacements across multiple suppliers. When precision matters, choosing the right double row angular contact ball bearing isn't just about dimensions; it's about matching performance to your specific machining conditions.

Engineered for Machine Tool Precision

The SKF 3304-A TN9 double row angular contact ball bearing addresses these challenges with design features tailored for precision applications. As part of a full-range bearing supplier, we cover all major brands and models, ensuring you can source the exact bearing you need without juggling multiple vendors. Whether your machine requires P4 precision for high-speed spindles or P0 for general-purpose feeds, this bearing's available accuracy classes align with diverse machining demands.

Optimal Performance in Machine Tool Environments

This angular contact ball bearing excels in radial and axial load combinations common in machine tool spindles, where both cutting forces and rapid acceleration/deceleration occur. With a nylon cage option, it reduces friction and heat buildup during continuous operation, making it suitable for moderate speed applications up to the bearing's limiting speed. The separated design allows for easy mounting and dismounting, simplifying maintenance in tight machine tool assemblies.

Key Engineering Features That Impact Performance

The bearing steel construction provides the hardness (typically 58-62 HRC) needed to withstand cyclic loading without premature fatigue. Available precision ratings from P0 to P2 mean you can select the right balance between cost and accuracy—P4 for grinders requiring sub-micron runout, or P6 for general milling operations. The double row design offers higher radial load capacity than single row alternatives, while the angular contact geometry accommodates axial thrust from tool changes and cutting forces. Nylon cages offer quieter operation and lower inertia compared to steel, beneficial for high-speed indexing applications.

Why Proper Bearing Selection Lowers Total Cost

Choosing the correct SKF 3304-A TN9 bearing directly impacts your bottom line. A bearing with insufficient precision can cause vibration, leading to poor surface finishes and increased tool wear. Using a single row bearing in a double row application may result in premature failure, requiring costly emergency repairs and production delays. Our ISO 9001-certified supply chain ensures each bearing meets dimensional and material standards, reducing the risk of mismatched components. By selecting the right bearing upfront, you minimize downtime, extend maintenance intervals, and improve overall equipment effectiveness.

Quality You Can Rely On

Packaging & Shipping

• Packaged in cartons with palletization available for bulk orders
• 现货 inventory for immediate dispatch on most standard models
• Flexible shipping options including express courier, air freight, and sea freight
• Low minimum order quantities supported, from single units to full container loads

Request a Quote for SKF 3304-A TN9 Bearings

To get started, provide the bearing model, required precision class, cage material, and quantity. Our technical team can also assist with cross-referencing if you need alternatives to existing bearings. The sooner you confirm your requirements, the sooner we can arrange delivery—keeping your machine tools operational and productive.

Frequently Asked Questions