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 |
| Trademark | SKF |
| Origin | Jiangsu China |
Application Industries
| Industry | Typical Equipment |
| Manufacturing | CNC Automation Lines, Machining Centers, Robotic Arms |
| Automation | Precision Conveyors, Assembly Systems, Servo Motors |
| Machine Tool | Spindles, Lathes, Milling Machines |
Stop CNC Downtime with High Precision SKF 3304-a Double Row Angular Contact Ball Bearing
CNC operators know the frustration: unexpected bearing failure halts production, multi-supplier coordination delays repairs, and mismatched components compromise machining accuracy. When your automation line relies on precise radial and axial load handling, choosing the wrong bearing isn't just a part cost—it's hours of lost output and missed deadlines.
Genuine SKF 3304-a Bearings for Reliable CNC Performance
As an official SKF solution provider, we deliver the High Precision SKF 3304-a Double Row Angular Contact Ball Bearing with full traceability. Our one-stop procurement process eliminates the hassle of sourcing from multiple vendors, while our dedicated engineering team ensures you get the right cage material—steel, copper, or nylon—for your specific CNC application. Whether it's a high-speed spindle or a heavy-duty automation axis, this bearing is in stock and ready to ship.
Engineered for CNC Automation's Toughest Conditions
The SKF 3304-a Double Row Angular Contact Ball Bearing excels in CNC environments where precision and durability matter most. Its double row design handles combined radial and axial loads, making it ideal for high-torque servo systems and rapid acceleration cycles. With precision ratings from P0 to P2, it maintains tight tolerances even under continuous operation, ensuring consistent part quality and reducing tool wear in automated production lines.
Technical Features That Maximize CNC Uptime
Three critical features set this bearing apart for CNC applications: First, the choice of cage materials allows optimization—steel cages for high load capacity, copper for elevated temperatures, and nylon for reduced noise in precision machining. Second, precision ratings up to P2 minimize runout, directly improving workpiece accuracy and surface finish. Third, its separated structure simplifies installation and maintenance, cutting downtime during replacement. When paired with proper lubrication (oil or grease), these features translate to longer bearing life and fewer unplanned stops.
Why Genuine SKF Beats Aftermarket Alternatives in CNC Operations
Counterfeit bearings may save upfront costs, but they often fail prematurely in CNC applications—costing far more in production losses. Our SKF 3304-a bearings undergo full-process quality control compliant with SKF global standards, ensuring they meet the dynamic load and speed requirements of automation lines. Using non-genuine parts risks misalignment, increased vibration, and even spindle damage, turning a small saving into a major repair bill. With genuine SKF, you're investing in predictable performance and lower total cost of ownership.
Why 900+ Global Clients Trust Our SKF Bearings
Our position as an official SKF solution provider means every 3304-a bearing comes with complete authorization documentation. We serve over 900 clients across 50+ countries, supported by a sealing and lubrication engineering team that helps optimize bearing performance for your specific CNC setup. Our fast emergency maintenance delivery ensures critical spares reach you when downtime can't wait, while our one-stop system procurement reduces supplier management costs. Every bearing is inspected before shipment, with full traceability from SKF's manufacturing to your facility.
Packaging & Shipping
- Original SKF packaging with product authenticity labels, secured in carton pallets for protection during transit
- Stock items shipped within 3-7 working days for urgent maintenance needs
- Multiple logistics options including DHL, FedEx, UPS, air freight, and sea freight to match your timeline
- Real-time tracking provided for all shipments, keeping you informed of delivery status
- Minimum order quantity of 1 unit, supporting both emergency repairs and small-batch production requirements
Get Your SKF 3304-a Bearing Shipped Today
Don't let bearing issues slow your CNC automation line. Send us your bearing designation, application details (including cage material preference), and quantity, and we'll provide a quote within 24 hours. With our fast delivery, you can minimize downtime and get back to producing precise parts on schedule.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF solution provider. Every bearing is sourced directly from SKF and comes with complete authorization documentation for full traceability.
Q: How do I confirm if the 3304-a is the right bearing for my CNC machine?
A: Provide your machine model, load requirements, and operating speed, and our engineering team will verify compatibility and recommend the optimal cage material.
Q: What is the warranty on these bearings?
A: All SKF bearings are covered by SKF's standard manufacturer warranty, with replacement guaranteed for any manufacturing defects.
Q: What is the minimum order quantity?
A: We accept orders for 1 unit, making it easy to source emergency replacement parts for critical CNC equipment.
Q: How quickly can I receive my order?
A: In-stock bearings are shipped within 3-7 working days. Contact us for expedited shipping options for urgent cases.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Check for SKF's holographic packaging labels, laser-etched part numbers, and scan the QR code for verification on SKF's official website. We also provide full batch traceability documentation with each order.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.