Consultation
Technical needs assessment
Ensure smooth, high-precision operation in gearboxes and machine tools with the Double Row Angular Contact Ball Bearing 3309-D-Ma, engineered to deliver exceptional radial and axial load handling for critical industrial applications. This P4/P2 precision grade bearing minimizes vibration and extends equipment lifespan, addressing the need for reliable performance in high-stress environments.
| 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, Gearboxes |
Equipment operators know the frustration of unexpected downtime caused by bearing failure in critical machinery. Sourcing reliable high precision bearings often means coordinating with multiple suppliers, each with varying lead times and quality standards. For gearbox and machine tool applications requiring P4/P2 precision, the risk of mismatched components or counterfeit products can lead to costly production delays and compromised performance.
Our Double Row Angular Contact Ball Bearing 3309-D-Ma addresses these challenges by combining official brand authorization with sufficient ready stock of P4/P2 precision grade bearings. As an officially authorized distributor, we ensure 100% authentic products that meet strict quality control standards from incoming material verification to finished product delivery. This means you can secure the high precision bearing your gearbox or machine tool requires without unnecessary delays, supported by our senior application engineering team with rich on-site project experience.
Designed for gearboxes and machine tools, this double row angular contact ball bearing excels in applications demanding high rotational accuracy and radial load capacity. The separated structure allows for easy mounting and dismounting, while the angular contact design enables it to handle combined radial and axial loads efficiently. In CNC machine tool spindles and gearbox assemblies, where precision and reliability are paramount, this bearing delivers consistent performance under continuous operation, ensuring minimal vibration and extended equipment lifespan.
The precision rating of P4/P2 is critical for maintaining tight tolerances in high-speed machine tool applications, reducing runout and ensuring dimensional accuracy of machined parts. The bearing's construction from high-quality bearing steel provides excellent durability and resistance to wear, even under heavy loads. Available cage options—steel, copper, or nylon—allow customization based on specific operating conditions: steel cages offer high strength for heavy loads, copper cages provide enhanced heat dissipation, and nylon cages reduce noise and friction in high-speed scenarios. Proper lubrication with oil or grease, as specified, further optimizes performance by minimizing internal friction and preventing premature failure.
Choosing genuine Double Row Angular Contact Ball Bearings over counterfeit alternatives directly impacts your total cost of ownership. Counterfeit bearings often lack proper material quality and precision machining, leading to early fatigue, increased vibration, and potential equipment damage. In contrast, our bearings adhere to ISO 9001 and DIN standards, with standardized precision testing procedures ensuring full-process quality traceability. The reliability of authentic bearings reduces unplanned downtime, lowers maintenance costs, and protects valuable machinery from costly repairs, making them a sound investment for long-term operational efficiency.
With official brand authorization, every Double Row Angular Contact Ball Bearing 3309-D-Ma we supply is traceable to the original manufacturer, complete with full certification documentation. Our precision-centric quality inspection and management system ensures each bearing undergoes rigorous testing before delivery. Trusted by over 800 clients across more than 45 countries, we offer professional shockproof & dustproof logistics solutions to preserve bearing accuracy during transportation. Our dedicated engineering team provides tailored support, from bearing selection to working condition matching, ensuring you get the right component for your specific application.
Don’t let equipment downtime impact your production schedule. Whether you need a single bearing for emergency maintenance or a bulk order for a new project, our ready stock of Double Row Angular Contact Ball Bearing 3309-D-Ma ensures you get the precision component you need when you need it. Send your requirements today for prompt technical verification and quotation.
Q: Are these bearings 100% authentic?
A: Yes, we are an officially authorized distributor with 100% authentic product guarantee. Each bearing can be traced to the original supply chain and comes with full authorization certificates.
Q: How can I confirm if this bearing is suitable for my machine tool?
A: Our senior application engineering team can assist with bearing selection and working condition matching. Provide your equipment model or specific operating parameters for free technical verification.
Q: What is the质保 policy for these bearings?
A: We adhere to the manufacturer's warranty standards, offering replacement for any manufacturing defects. Our quality control process ensures minimal risk of defective products.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, supporting both emergency maintenance and small-scale procurement needs.
Q: How long does shipping take?
A: With sufficient ready stock, we typically dispatch orders within 3-7 working days. Logistics options include DHL, FedEx, UPS, air, and sea freight based on your urgency and location.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Each bearing comes with complete certification documentation and manufacturer packaging. You can cross-verify details with the official brand channels, and we provide full traceability records upon request.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
Our 5-step process ensures every order is engineered, validated, and supported for optimal performance.
Technical needs assessment
Custom specifications
Free samples for $50k+
Pre-shipment inspection
On-site & predictive
Our certified engineers respond within 24 hours with detailed technical specifications, pricing, and lead time information.