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 |
Gearboxes, Machine Tools, CNC Machines, Spindles |
Stop Gearbox Downtime with Precision 3309-D-Ma Double Row Angular Contact Ball Bearing
Machine tool operators and gearbox maintenance teams often face unexpected production halts due to bearing failures. Mismatched bearing specifications or low-quality components can lead to premature wear, increased vibration, and costly downtime. Sourcing reliable angular contact bearings for critical applications like gearboxes requires navigating multiple suppliers, inconsistent quality standards, and long lead times—challenges that directly impact operational efficiency.
3309-D-Ma Bearing: Engineered for Gearbox and Machine Tool Reliability
As an official SKF distributor, we stock the 3309-D-Ma Double Row Angular Contact Ball Bearing to address these challenges. This bearing integrates European precision with robust design, making it ideal for gearboxes and machine tools where radial and axial load capacity is critical. Our one-stop procurement solution eliminates the need to coordinate with multiple suppliers, ensuring you receive genuine SKF bearings with consistent quality and timely delivery.
Optimal Performance in High-Demand Machine Tool Applications
The 3309-D-Ma Angular Contact Bearing excels in gearboxes and machine tools operating under moderate to high speeds and combined radial-axial loads. Its double row design provides higher rigidity and load-carrying capacity compared to single row alternatives, making it suitable for precision machining centers and industrial gearboxes. The separated structure allows for easy mounting and dismounting, simplifying maintenance procedures and reducing equipment downtime.
Key Technical Features That Enhance Machine Tool Performance
This bearing’s technical specifications directly contribute to its reliability in critical applications. The bearing steel construction ensures durability and resistance to wear, even under continuous operation. Available precision ratings from P0 to P2 allow customization based on application requirements—P2 grade, for instance, minimizes runout and vibration, critical for high-precision machine tools. The choice of steel, copper, or nylon cages offers flexibility: steel cages provide high strength for heavy loads, while nylon cages reduce friction and noise in high-speed scenarios. Radial load direction capability ensures efficient power transmission in gearbox assemblies, maintaining consistent performance under varying load conditions.
Why Genuine SKF Bearings Reduce Total Cost of Ownership
Choosing genuine 3309-D-Ma Bearings over counterfeit alternatives delivers long-term value by minimizing hidden costs. Counterfeit bearings often fail prematurely due to substandard materials and manufacturing processes, leading to unplanned downtime, repair expenses, and potential damage to adjacent components. In contrast, SKF’s ISO 9001-certified production ensures each bearing meets strict quality standards, extending service life and reducing maintenance frequency. Our unified quality inspection system further verifies each unit before shipment, ensuring you receive bearings that perform as expected—lowering total cost of ownership through reliable performance and reduced downtime.
Our Commitment to Reliable Bearing Supply
With official authorization from SKF, we guarantee genuine products traceable to the original supply chain. Our ISO 9001 quality inspection system includes incoming material checks and pre-shipment verification, ensuring every bearing meets specification. As a dual-brand distributor serving 1,200+ clients across 55+ countries, we maintain large centralized inventory for quick access to critical components like the 3309-D-Ma. Our cross-brand technical team provides expert support for选型 and application questions, while our one-stop procurement process simplifies ordering—whether you need a single bearing for emergency repair or bulk quantities for production.
Packaging & Shipping
- Original SKF packaging with product certification and batch traceability
- Secure carton pallet packaging to prevent damage during transit
- Global logistics options including DHL, FedEx, UPS, air, and sea freight
- Real-time tracking provided for all shipments
- Minimum order quantity of 1 piece, supporting both maintenance and production needs
Get Your 3309-D-Ma Bearing Shipped Fast
Don’t let bearing issues delay your operations. Whether you need a replacement for a gearbox repair or stock for upcoming projects, our inventory ensures quick dispatch. Send us your requirements—bearing designation, application details, and quantity—and our team will provide a quotation within one working day, helping you get back to production with minimal disruption.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every 3309-D-Ma bearing is sourced directly from SKF and comes with complete traceability documentation.
Q: How do I confirm if the 3309-D-Ma is compatible with my machine?
A: Provide your equipment model or technical specifications (load, speed, mounting requirements), and our technical team will verify compatibility at no cost.
Q: What is the warranty policy for this bearing?
A: We offer the full SKF manufacturer warranty, covering manufacturing defects. Defective products will be replaced unconditionally.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, suitable for emergency maintenance or small-scale needs.
Q: How long does shipping take?
A: In-stock bearings ship within 3-7 business days. Delivery time depends on your location and chosen logistics method.
Q: How can I verify the authenticity of the bearing?
A: Each bearing includes SKF’s original packaging with holographic labels and serial numbers, which can be verified through SKF’s official channels. We also provide authorization certificates upon request.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
