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 |
Application Industries
| Industry |
Typical Equipment |
| Manufacturing |
CNC Machine Tools, Spindles, Precision Lathes |
Stop Machine Tool Downtime with Precision 3304-A TN9 Double Row Angular Contact Ball Bearing
Machine tool operators know the frustration of unexpected spindle failures—hours of production lost, maintenance teams scrambling, and deadlines slipping. When bearings fail prematurely due to poor precision or mismatched specifications, the cost goes far beyond replacement parts. Multi-brand procurement only adds complexity, forcing you to manage multiple suppliers and delivery schedules just to keep your shop running.
SKF 3304-A TN9 Bearings: In Stock and Quality-Verified
Our SKF 3304-A TN9 Double Row Angular Contact Ball Bearing with Nylon Cage solves these challenges directly. As an official SKF distributor, we maintain centralized inventory of precision machine tool bearings, ensuring you get the exact component you need without lengthy lead times. Each bearing undergoes ISO 9001 quality inspection before shipment, matching the strict standards required for high-speed spindle applications where accuracy and reliability are non-negotiable.
Engineered for Machine Tool Spindle Performance
This double row angular contact ball bearing excels in precision machine tool spindles, where it handles combined radial and axial loads at high rotational speeds. The angular contact design provides rigidity and axial positioning accuracy—critical for maintaining tight tolerances in milling, drilling, and grinding operations. Whether your equipment operates in continuous production or intermittent cycles, this bearing delivers consistent performance under the demanding conditions of metalworking environments.
Technical Features That Drive Precision
The 3304-A TN9’s Nylon Cage offers distinct advantages in machine tool applications: it reduces friction and heat generation at high speeds compared to metal alternatives, while improving lubricant distribution for extended service life. Available precision ratings from P0 to P2 allow you to match bearing accuracy to your specific machine requirements—from general-purpose lathes to high-precision grinders. The double row configuration provides higher load-carrying capacity than single row bearings, enabling heavier cutting operations without compromising stability. Bearing steel construction ensures durability, withstanding the mechanical stresses of continuous operation in industrial settings.
Why Genuine SKF Bearings Matter for Your Bottom Line
Counterfeit bearings may offer lower upfront costs, but they often fail within months—costing you thousands in unplanned downtime, damaged spindles, and scrapped workpieces. A single spindle failure in a CNC machine can halt production for days, erasing any initial savings from cheap alternatives. Our genuine SKF bearings come with full traceability and compliance with international quality standards, ensuring predictable performance and longer service intervals. When you factor in reduced maintenance, fewer replacements, and uninterrupted production, the total cost of ownership favors authentic components every time.
Your Trusted Partner for Industrial Bearings
With over 1,200 clients across 55+ countries, we’ve built our reputation on reliability and专业ism. As an official SKF distributor, every bearing we supply is backed by manufacturer authorization and complete quality documentation. Our cross-brand technical team can assist with选型 and application support, ensuring you get the right bearing for your machine tool. We maintain large centralized inventory, supporting both scheduled maintenance and emergency repairs with fast global shipping. All orders undergo unified quality inspection, so you can be confident in every component that arrives at your facility.
Packaging & Shipping
- Original SKF packaging with product certification and batch traceability documentation
- Stock items ship within 3-7 business days of order confirmation
- Global logistics options including DHL, FedEx, UPS, air freight, and sea freight
- Real-time tracking provided for all shipments
- Minimum order quantity of 1 piece, ideal for emergency repairs or small-batch requirements
Get Your Machine Tools Back to Peak Performance
Don’t let bearing issues slow down your production. Whether you need a single replacement or a complete spindle rebuild kit, we can help. Send us your bearing designation, machine model, and operating conditions, and our team will confirm compatibility and provide a competitive quote—usually within one business day. The sooner you order, the sooner your machine tools return to full operation.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every bearing can be traced to the original SKF supply chain, and we provide complete authorization documentation upon request.
Q: How do I confirm if the 3304-A TN9 is compatible with my machine tool?
A: Provide your machine model, spindle specifications, or existing bearing dimensions, and our technical team will verify compatibility at no cost.
Q: What is the warranty policy for these bearings?
A: All SKF bearings come with the manufacturer’s warranty, covering manufacturing defects. We handle warranty claims directly with SKF for efficient resolution.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, making us ideal for emergency repairs or small-scale maintenance projects.
Q: How long does shipping take to my location?
A: Stock items ship within 3-7 business days. Transit time depends on destination—typically 3-5 days for express courier, 7-14 days for standard air freight.
Q: How can I verify the authenticity of the bearings I receive?
A: Each SKF bearing includes unique packaging with holographic labels and serial numbers. We also provide certificate of conformance and can assist with verification through SKF’s official channels.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.