Description
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 |
| Trademark | SKF |
| Origin | Jiangsu, China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Gearbox Manufacturing | Transmission systems, gear reducers |
| Precision Machine Tools | Spindle units, CNC machining centers |
Need Reliable Double Row Angular Contact Ball Bearing 3309-D-Ma for Your Equipment?
Selecting the right bearing for gearboxes and precision machine tools can be challenging. Mismatched dimensions lead to installation delays, while low-quality bearings often cause early wear, resulting in costly equipment downtime. Sourcing from multiple suppliers for different brands and models further complicates the procurement process.
Built for Consistent Performance in Demanding Applications
This Double Row Angular Contact Ball Bearing 3309-D-Ma addresses these challenges with its robust design and compatibility with international standards. Our ISO 9001 certified production and inspection processes ensure reliable quality, while our extensive inventory covers a wide range of brands and models, supporting both small and large-scale采购需求. Whether used in gearbox assemblies or precision machine tool spindles, this bearing delivers the stability required for continuous operation.
Optimal Performance in High-Precision Environments
Designed for applications requiring precise radial and axial load handling, this bearing operates effectively in conditions with moderate speeds and varying temperatures. Its angular contact structure allows it to accommodate combined loads, making it suitable for gearboxes where both radial forces and thrust loads are present. The steel cage option enhances durability, ensuring long service life even in continuous-duty machine tool operations.
Key Engineering Features That Impact Performance
The bearing’s double row design provides higher load capacity compared to single row alternatives, making it ideal for heavy-duty gearbox applications. Available precision ratings from P0 to P6 allow customization based on application requirements—P4 and P5 grades offer tighter tolerances for precision machine tools where minimal runout is critical. The bearing steel material ensures excellent hardness and wear resistance, while the option of steel, copper, or nylon cages allows adaptation to different lubrication and temperature conditions. Proper lubrication with oil or grease is essential for maintaining performance, and the separated structure facilitates easy maintenance when needed.
Why Choosing the Right Bearing Reduces Total Cost
Investing in a quality double row angular contact ball bearing like the 3309-D-Ma minimizes long-term costs. Inferior bearings may have lower upfront prices but often fail prematurely, leading to production halts, replacement expenses, and potential damage to adjacent components. This bearing’s compliance with industry standards and rigorous testing helps prevent such issues, contributing to lower total cost of ownership. By selecting the appropriate precision class and cage material for your specific application, you ensure optimal performance and avoid unnecessary replacements.
Quality You Can Trust in Every Component
Our manufacturing processes adhere to ISO 9001 standards, with strict inspection of raw materials and finished products. Each bearing undergoes dimensional, hardness, and surface treatment testing to ensure compliance with specifications. We provide a warranty against manufacturing defects, with clear terms for returns and replacements. Our procurement network covers both international and domestic brands, allowing us to source bearings according to your exact requirements. With substantial现货库存, we can support quick delivery for urgent needs.
Packaging & Shipping
- Packaged in cartons with pallet options for bulk orders
- 现货 available for prompt shipping
- Flexible logistics options including express, air, and sea freight
- Low minimum order quantity to accommodate small-scale requirements
Get a Quote for SKF 3309-D-Ma Bearing Today
To ensure you receive the correct bearing for your application, provide us with the model number, required dimensions, and quantity. Our team can also assist with cross-referencing if you need alternatives to existing bearings. The sooner you confirm your requirements, the faster we can arrange delivery to keep your operations running smoothly.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides SKF?
A: Yes, we support procurement of bearings from a wide range of international and domestic brands, including NSK, NTN, Koyo, NACHI, IKO, FAG, Timken, and others, as per customer specifications.
Q: How can I confirm if this 3309-D-Ma bearing fits my equipment?
A: Provide your equipment model or the required dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with the bearing specifications.
Q: What is your warranty policy for bearings?
A: We offer a warranty against manufacturing defects. The specific duration and terms are outlined in the purchase contract, and defective products can be returned or replaced within the warranty period.
Q: What is the minimum order quantity for this bearing?
A: We have a low minimum order quantity, supporting small batch purchases for testing or maintenance needs, as well as large volume orders for production.
Q: How long does shipping take, and what logistics options are available?
A: For现货 items, we ship within 1-3 business days. Shipping time depends on the destination, with options including express (3-7 days), air freight (5-10 days), and sea freight (20-40 days) to meet different urgency requirements.
Q: Can you provide OEM or ODM customized bearings?
A: Yes, we support custom bearing production according to customer-provided drawings, specifications, or samples, including special materials, dimensions, and cage designs.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.







