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Ensure your CNC machine tools maintain long-term stable precision performance with the Double Row Angular Contact Ball Bearing 3307A-2Z Tn9/Mt33, designed to deliver exceptional radial and axial load handling for high-precision industrial scenarios. This metal shielded bearing minimizes maintenance downtime by preventing contaminants while supporting consistent operation—critical for avoiding project delays in advanced manufacturing setups.
| Parameter | Details |
|---|---|
| Model NO. | 3307A-2Z Tn9/Mt33 |
| 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 |
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machine Tools, Precision Spindles, Machining Centers |
| Industrial Automation | Robotic Arms, Precision Linear Guides, Automated Production Lines |
CNC machine operators know the frustration of unexpected spindle failures—hours of production lost, maintenance crews scrambling, and deadlines slipping. When precision bearings fail prematurely, the root cause often traces back to inconsistent quality from uncertified suppliers or delayed shipments of critical replacement parts. For high-speed CNC applications, choosing the wrong bearing can mean sacrificing accuracy and shortening equipment lifespan.
Our 3307A-2Z Tn9/Mt33 Double Row Angular Contact Ball Bearing with metal shield addresses these challenges directly. As an officially authorized distributor, we guarantee 100% authentic products with full certification documentation. With sufficient ready stock of P4/P2 precision grade bearings, we ensure rapid delivery to minimize your equipment downtime. This bearing is specifically engineered for CNC machine tool spindles, where its double row design and metal shield provide exceptional radial load capacity and protection against contaminants in industrial environments.
This Angular Contact Bearing excels in high-speed rotational applications typical of CNC machinery, where it handles combined radial and axial loads with minimal friction. The metal shield (2Z) design prevents dust and coolant ingress without compromising speed, making it ideal for machining centers operating in controlled yet demanding shop floor conditions. Its separated structure allows for easy mounting and dismounting during maintenance, reducing service time and ensuring quick return to production.
The precision rating options (P0-P6) allow customization to match your machine's accuracy requirements—from general machining (P0) to high-precision contouring (P2/P4). The choice of cage materials (steel, copper, nylon) offers flexibility: steel cages provide durability for heavy-duty applications, while nylon cages reduce noise and friction in high-speed scenarios. Lubrication with oil or grease ensures optimal performance across operating temperatures, and the bearing steel construction guarantees long-term stability under continuous use. These features work together to maintain spindle rigidity, reduce vibration, and extend bearing service life in critical CNC operations.
Opting for counterfeit or low-quality bearings may seem cost-effective initially, but the hidden costs add up quickly. Early failures can lead to unplanned downtime costing thousands in lost production, while poor precision increases scrap rates and rework. Our bearings, compliant with ISO 9001 and DIN standards, undergo strict quality control from incoming material verification to finished product delivery. This commitment to quality ensures consistent performance, reduces maintenance intervals, and ultimately lowers your total cost of ownership compared to inferior alternatives.
With official brand authorization, every bearing we supply is traceable to the original manufacturer, providing complete transparency in your supply chain. Our senior application engineering team, with rich on-site project experience, offers personalized support—from bearing selection to working condition matching. We serve over 800 clients across 45 countries, including high-end CNC machine tool manufacturers and precision system integrators. Our standardized precision testing procedures ensure full-process quality traceability, and professional shockproof logistics solutions preserve bearing accuracy during transportation. When you partner with us, you gain a reliable supplier dedicated to keeping your production running smoothly.
Don’t let bearing issues disrupt your CNC operations. Every hour of downtime impacts your bottom line—act now to secure the genuine 3307A-2Z Tn9/Mt33 bearings your machinery needs. Our team is ready to process your order and ensure prompt delivery, helping you maintain productivity and precision.
Q: Are these bearings genuine SKF products?
A: Yes, we are an officially authorized distributor with 100% authentic product guarantee. Each bearing comes with full authorization certificates for traceability.
Q: How can I confirm if this bearing fits my CNC machine?
A: Our senior application engineering team can assist with bearing selection. Provide your machine model or spindle specifications, and we’ll verify compatibility within one working day.
Q: What is your warranty policy?
A: We stand behind product quality. All bearings are covered by the manufacturer’s warranty, with manufacturing defects eligible for unconditional replacement.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, making us ideal for emergency repairs and small-batch procurement needs.
Q: How long does shipping take?
A: In-stock bearings are typically shipped within 3-7 working days. We offer expedited delivery options for urgent requirements.
Q: How can I verify the authenticity of the bearing?
A: Each bearing includes original packaging with SKF branding and security features. We provide complete certification documentation and can guide you through manufacturer verification processes.
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