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Ensure precise CNC machinery performance with the Double Row Angular Contact Ball Bearing 3308-a Tn9, engineered to deliver consistent accuracy in high-speed machining operations. This premium bearing minimizes vibration and extends equipment uptime, solving the challenge of coordinating multiple suppliers by integrating seamlessly into your existing setup.
Trust in our ready stock availability and shockproof logistics to keep your production on schedule, with full technical documentation provided for seamless integration.
| 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 |
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machine Tools, Precision Machining Centers, Spindles |
| Industrial Automation | Robotic Arms, Linear Motion Systems, Servo Motors |
| Semiconductor Manufacturing | Wafer Processing Equipment, Precision Positioning Stages |
| Medical Equipment | High-Speed Centrifuges, Diagnostic Imaging Systems |
CNC machine operators know the frustration of unexpected spindle failures—hours of production lost, missed deadlines, and costly repairs. Many face the challenge of sourcing reliable precision bearings quickly, especially when dealing with multiple suppliers that offer inconsistent quality and prolonged lead times for critical components like Double Row Angular Contact Ball Bearings.
Our 3308-a Tn9 Double Row Angular Contact Ball Bearing with Nylon Cage is engineered for CNC machinery precision applications, where high rotational accuracy and load capacity are non-negotiable. As an officially authorized distributor, we maintain sufficient ready stock of P4/P2 precision grade bearings, ensuring rapid delivery to minimize your equipment downtime. Each bearing undergoes standardized precision testing before shipment, guaranteeing compliance with ISO 9001 and DIN quality standards.
This Angular Contact Bearing excels in CNC machinery spindles and tool changers, where it simultaneously handles radial and axial loads at high speeds. The double row design provides increased rigidity and axial stiffness, critical for maintaining machining accuracy during heavy cutting operations. Its Nylon Cage reduces friction and heat generation, making it suitable for continuous-duty applications where temperature control is essential for consistent performance.
The bearing's precision rating options (P0 to P2) allow customization based on specific application requirements—P2 grade offering the tightest tolerances for ultra-precision CNC work. The separated structure facilitates easy mounting and dismounting, simplifying maintenance procedures. Constructed from high-quality bearing steel, it delivers long service life even under the dynamic stresses of high-speed machining. The combination of oil and grease lubrication options ensures adaptability to different operating speeds and temperature ranges, optimizing performance across various CNC operations.
Counterfeit bearings often fail prematurely, leading to unplanned downtime that can cost thousands in lost production. A single spindle failure due to substandard bearings may require replacing not just the bearing but damaged shafts or housings, multiplying repair costs. Our genuine SKF 3308-a Tn9 Bearing comes with complete certification documentation, ensuring traceability and compliance with industry standards. By investing in authentic precision bearings, you reduce the total cost of ownership through extended service intervals and fewer replacements.
With official brand authorization, every bearing we supply is 100% authentic, backed by full manufacturer warranties. Our senior application engineering team brings rich on-site project experience, offering tailored support from bearing selection to working condition matching. We serve over 800 clients across 45 countries, including leading CNC machine tool manufacturers and high-precision system integrators. Our shockproof and dustproof logistics solutions preserve bearing accuracy during transportation, ensuring components arrive in optimal condition. As a one-stop provider, we handle cross-brand procurement needs, reducing your supplier management costs and streamlining the purchasing process.
Don’t let bearing issues slow down your production schedule. Send us your 3308-a Tn9 bearing requirements, including quantity and application details, and our team will provide a unified quotation within one working day. With our ready stock and efficient delivery, you can have your CNC machinery back to optimal performance quickly.
Q: Are these genuine SKF bearings?
A: Yes, we are an officially authorized distributor, and all products are 100% authentic with full traceability to the manufacturer. We provide authorization certificates upon request.
Q: How do I confirm if the 3308-a Tn9 is suitable for my CNC machine?
A: Our engineering team can verify compatibility based on your machine model, spindle specifications, or operating conditions. Please provide details about load requirements and rotational speed for accurate matching.
Q: What is the warranty policy for this bearing?
A: The bearing comes with the standard SKF manufacturer warranty, covering manufacturing defects. We offer unconditional replacement for any verified quality issues.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, making it ideal for emergency repairs or small-batch requirements.
Q: How long does shipping take?
A: In-stock bearings are dispatched within 3-7 working days. Shipping time depends on the destination, with express options available for urgent needs.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Each bearing includes original SKF packaging with防伪标签 and product markings. We also provide certification documents and can assist with verification through SKF’s official channels.
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Technical needs assessment
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