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 Industries
| Industry |
Typical Equipment |
| Manufacturing |
CNC Machine Tool Spindles |
Stop CNC Spindle Failures — High Precision 3304-a Double Row Angular Contact Ball Bearing Delivered Fast
CNC machine tool operators know the frustration of unexpected spindle downtime. A single bearing failure can halt production for days, delaying orders and increasing operational costs. Many face challenges sourcing genuine high-precision bearings that meet strict performance requirements, especially when dealing with multiple suppliers for different components.
Genuine SKF 3304-a Bearings, In Stock and Ready to Ship
As an official SKF distributor, we offer the High Precision Double Row Angular Contact Ball Bearing 3304-a for CNC machine tool spindles, directly sourced from authorized supply chains. Our large centralized inventory ensures this critical component is available for immediate dispatch, eliminating long lead times. With our one-stop procurement service, you can secure all your bearing needs without managing multiple suppliers, streamlining your purchasing process.
Optimal Performance in CNC Spindle Applications
The 3304-a Double Row Angular Contact Ball Bearing is engineered for the demanding conditions of CNC machine tool spindles. Operating under high rotational speeds and radial loads, this bearing maintains precision and stability, essential for achieving tight tolerances in machining operations. Its double row design provides increased rigidity and load-carrying capacity, making it ideal for continuous-duty applications where reliability is non-negotiable.
Technical Details That Define Spindle Performance
Precision rating options from P0 to P2 allow customization based on your CNC machine’s accuracy requirements. Higher precision grades (P4, P2) minimize runout and vibration, ensuring superior surface finishes on machined parts. The bearing’s separated structure facilitates easy installation and maintenance, reducing downtime during spindle overhauls. Available cage materials—steel, copper, or nylon—offer flexibility to match specific operating conditions, with steel cages providing durability for high-speed applications and nylon cages reducing noise and friction.
The True Cost of Non-Genuine Angular Contact Bearings
Using counterfeit or low-quality double row angular contact bearings in CNC spindles carries significant risks. These products often fail prematurely due to substandard materials and poor manufacturing tolerances, leading to costly spindle damage and unplanned production stops. Genuine SKF bearings, like the 3304-a, undergo rigorous testing to meet ISO 9001 quality standards, ensuring consistent performance and longer service life. Investing in authentic bearings reduces total cost of ownership by minimizing maintenance, downtime, and replacement expenses.
Why CNC Operators Trust Our Bearing Solutions
Our position as an official SKF distributor ensures every 3304-a bearing can be traced to the original manufacturer, with complete documentation provided upon request. We implement a unified ISO 9001 quality inspection system, checking each bearing before shipment to verify compliance with specifications. With a cross-brand technical team boasting extensive experience in industrial applications, we offer free选型 support to ensure you select the right bearing for your CNC spindle. Serving over 1,200 clients across 55+ countries, our global logistics network delivers bearings efficiently, even for紧急维修需求.
Packaging & Shipping
- Original SKF packaging with product certification and batch traceability
- 现货 available for dispatch within 3-7 working days
- Global shipping via DHL, FedEx, UPS, air freight, or sea freight
- Real-time tracking number provided once shipment is confirmed
- Minimum order quantity of 1 piece, supporting both maintenance and small-batch requirements
Get Your 3304-a Bearing Today
Don’t let spindle downtime affect your production schedule. Send us your 3304-a bearing requirements, including quantity and application details, and our team will provide a quotation within one working day. With现货 ready to ship, you can minimize downtime and get your CNC machines back to optimal performance quickly.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every bearing is sourced from the official supply chain and comes with complete traceability documentation.
Q: How do I confirm if the 3304-a is suitable for my CNC spindle?
A: Provide your CNC machine model or spindle specifications, and our technical team will verify compatibility and offer free选型 support.
Q: What is the warranty policy for this bearing?
A: The bearing comes with SKF’s standard manufacturer warranty, covering manufacturing defects with unconditional replacement.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, ideal for emergency maintenance or small-scale requirements.
Q: How long does shipping take?
A: 现货 items are shipped within 3-7 working days. Logistics options include DHL, FedEx, UPS, air freight, or sea freight based on your location.
Q: How can I verify the authenticity of the bearing?
A: Each bearing includes SKF’s original packaging with security features. We also provide certification documents and batch information for cross-verification on 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.
