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, CNC Machines, Electric Motors |
| Industrial Machinery | Conveyors, Pumps, Compressors |
Reduce Gearbox Downtime with SKF 3309-D-Ma Double Row Angular Contact Ball Bearing
Gearbox failures often start with bearing issues—premature wear from misalignment, insufficient load capacity, or poor precision can halt production lines for days. Sourcing replacement bearings from multiple suppliers delays repairs further, while inconsistent quality raises the risk of repeated breakdowns. For maintenance teams managing critical equipment, these challenges translate directly to lost productivity and increased operational costs.
SKF 3309-D-Ma: The Reliable Gearbox Bearing Solution
As an official SKF solution provider, we deliver the 3309-D-Ma Double Row Angular Contact Ball Bearing with full traceability and compliance to SKF global standards. This bearing is engineered to handle combined radial and axial loads in gearbox applications, featuring precision ratings from P0 to P6 to meet diverse operational requirements. With our one-stop procurement process, you avoid the hassle of coordinating with multiple suppliers—we handle cross-brand model matching and deliver complete documentation within one working day.
Optimal Performance in Gearbox Applications
The 3309-D-Ma Double Row Angular Contact Ball Bearing excels in gearboxes where high rotational speeds and moderate to heavy loads are present. Its angular contact design allows for axial load support in both directions, while the double row configuration enhances rigidity and radial load capacity. Whether in industrial gearboxes, machine tool drives, or conveyor systems, this bearing maintains stable performance under continuous operation, reducing the need for frequent maintenance.
Technical Features That Ensure Longevity
Key technical attributes of the 3309-D-Ma contribute to its reliable performance. The precision rating (P0-P6) controls dimensional accuracy and rotational stability—higher precision grades (P5/P6) minimize vibration and noise, critical for high-speed gearbox applications. The bearing’s steel, copper, or nylon cage options accommodate different temperature and speed requirements: steel cages offer durability at elevated temperatures, while nylon cages reduce friction in high-speed scenarios. Lubrication with oil or grease is supported, ensuring proper wear protection across operating conditions.
Why Genuine SKF Bearings Lower Total Cost of Ownership
Counterfeit bearings may offer lower upfront costs, but they often fail prematurely due to substandard materials and manufacturing processes. A single gearbox bearing failure can cost thousands in downtime, repair labor, and damaged components. Genuine SKF bearings, like the 3309-D-Ma, undergo rigorous quality control—from material selection to final inspection—ensuring longer service life and predictable performance. Our full-process quality control, compliant with SKF standards, further reduces the risk of premature failure, making genuine bearings a smarter investment over time.
Your Trusted Partner for Industrial Bearings
With official authorization from SKF, we provide complete product traceability, including authorization documents and quality inspection reports. Our engineering team specializes in sealing and lubrication systems, offering free technical consultation to ensure proper bearing selection and installation. Serving over 900 clients across 50+ countries, we maintain centralized warehousing for fast emergency delivery—critical for minimizing downtime during unexpected breakdowns. For project-based or maintenance procurement, our integrated service eliminates supplier management headaches, allowing you to focus on core operations.
Packaging & Shipping
- Original SKF packaging with carton and pallet for secure transportation
- Stock availability for 3-7 business day delivery on most orders
- Flexible shipping options: DHL, FedEx, UPS, air freight, or sea freight
- Real-time logistics tracking provided for all shipments
- Minimum order quantity of 1 piece, supporting emergency repairs and small batch purchases
Get Your SKF 3309-D-Ma Bearing Today
Don’t let gearbox downtime impact your production schedule. Send us your bearing requirements—including model 3309-D-Ma, application details, and quantity—and our team will provide a quote within 24 hours. With our fast delivery and genuine SKF quality, you can restore equipment operation quickly and avoid extended losses.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized solution provider. Every 3309-D-Ma bearing comes with complete traceability documentation to verify authenticity.
Q: How do I confirm if the 3309-D-Ma is compatible with my gearbox?
A: Provide your gearbox model or operating parameters (load, speed, temperature), and our engineering team will conduct a free compatibility check.
Q: What is the warranty policy for this bearing?
A: We adhere to SKF’s original warranty standards, covering manufacturing defects with unconditional replacement or refund.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, ideal for emergency maintenance needs.
Q: How long does shipping take?
A: In-stock bearings ship within 3-7 business days via your preferred logistics (DHL, FedEx, etc.).
Q: How can I verify the bearing’s authenticity?
A: Check the packaging for SKF’s security labels, laser-etched part numbers, and use SKF’s official verification tools. We provide all necessary documentation for traceability.
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