Double Row Angular Contact Ball Bearing 3309-D-Ma Steel Cage for Gearbox Precision Machine Tools
<p>Ensure gearbox and precision machine tool performance with the reliable <strong>Double Row Angular Contact Ball Bearing 3309-D-Ma</strong>—engineered to deliver consistent accuracy and reduce downtime in high-stress industrial operations. Its steel cage construction ensures superior rigidity and heat resistance, maintaining optimal load distribution even under continuous heavy radial and axial loads.</p><ul><li>SKF 3309-D-Ma design minimizes vibration transfer, enhancing machining precision and extending equipment service life</li><li>Precision rating options (P0-P6) allow customization to match your specific application requirements, from general industrial use to high-precision tooling</li><li>Direct supply from SKF official channels guarantees 100% authenticity and full traceability, eliminating concerns about counterfeit components</li></ul>
- 100% genuine -- COC & factory certificates available
- In-stock · bulk & small-batch orders accepted
- ISO · DIN · ABMA · JIS compliant
- Full customs clearance documentation provided
Product Details
Full Specifications & 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 |
| Transport Package | Carton, Pallet |
| Specification | As Your Request |
| Trademark | SKF |
| Origin | Jiangsu China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | Gearboxes, Precision Machine Tools |
Need a Reliable Double Row Angular Contact Ball Bearing 3309-D-Ma for Your Gearbox or Machine Tool?
Choosing the right bearing for high-precision equipment like gearboxes and machine tools can be challenging. Mismatched precision ratings lead to vibration issues, while low-quality steel cages often fail under continuous radial loads. Sourcing specific models like the 3309-D-Ma frequently requires coordinating with multiple suppliers, delaying production timelines.
Engineered for Consistent Performance in Demanding Applications
This Double Row Angular Contact Ball Bearing addresses these challenges with its robust bearing steel construction and precision manufacturing (available in P0 to P6 ratings). Designed to handle radial loads in gearboxes and maintain alignment in precision machine tools, it fits seamlessly into existing setups. With access to a wide range of bearing brands and models, we can source this SKF 3309-D-Ma or equivalent specifications to meet your exact requirements.
Optimal Performance in High-Precision Rotating Systems
This angular contact ball bearing excels in applications requiring precise radial load management and moderate axial load capacity. Its double-row design provides increased rigidity, making it suitable for high-speed gearboxes where minimal deflection is critical. The steel cage option offers enhanced durability at operating temperatures compatible with standard industrial lubricants, ensuring reliable performance in both dry and lubricated environments.
Key Engineering Features That Impact Performance
The bearing's separated design allows for easier mounting and dismounting during maintenance, reducing downtime. Available precision ratings (P0 to P6) let you match the bearing's accuracy to your application—P4/P5 for precision machine tools requiring tight tolerances, or P0 for general gearbox use. The choice of cage material (steel, copper, or nylon) enables customization: steel cages for high load capacity, nylon for reduced noise in quiet operations, and copper for high-temperature environments.
Why Proper Bearing Selection Lowers Long-Term Costs
Investing in the right double row angular contact ball bearing reduces the risk of premature failures that cause unplanned downtime. A bearing with incorrect precision class can lead to increased vibration, accelerating wear on adjacent components. By selecting a bearing that matches your load requirements and operating conditions, you avoid the hidden costs of frequent replacements and production interruptions. This SKF 3309-D-Ma equivalent follows international dimensional standards, ensuring interchangeability and simplifying future maintenance.
Quality You Can Verify Through Rigorous Processes
Our bearings undergo ISO 9001-compliant production and inspection processes, including raw material verification and成品尺寸、硬度检测. Every unit comes with quality documentation to confirm compliance with specified standards. We stand behind our products with a warranty covering manufacturing defects, providing peace of mind for critical applications. With a diverse supplier network, we can source both standard and hard-to-find bearing models to keep your operations running smoothly.
Packaging & Shipping
- Standard packaging includes cartons with pallet options for bulk orders
- Stock items available for same-day shipping
- Flexible delivery options: express courier, air freight, or sea transport
- Low minimum order quantity supported for small-scale requirements
Get a Quote for Your Double Row Angular Contact Ball Bearing Requirements
Whether you need the SKF 3309-D-Ma or an equivalent steel cage bearing for gearbox or machine tool applications, provide us with your required model, dimensions, and quantity. Our team will quickly confirm availability and deliver competitive pricing. The sooner you order, the sooner we can arrange shipment to keep your production on schedule.
Frequently Asked Questions
Q: Can you supply bearings from other brands besides SKF?
A: Yes, we source bearings from various international and domestic brands, including NSK, NTN, Koyo, NACHI, FAG, and Timken, as well as custom specifications.
Q: How do I confirm if this 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. Specific terms and duration are outlined in each order contract, ensuring coverage for material and workmanship issues.
Q: What is the minimum order quantity for this bearing?
A: We support low minimum order quantities, including single-unit purchases for emergency replacements, with volume discounts available for bulk orders.
Q: How long does shipping take to my location?
A: Stock items ship the same day. Delivery times depend on your location: 3-5 days for express courier, 7-15 days for air freight, and 30-45 days for sea transport.
Q: Do you offer custom bearing solutions (OEM/ODM)?
A: Yes, we provide OEM/ODM services for custom bearing specifications, including material selection, cage types, and precision grades, based on your technical drawings or samples.
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.
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Double Row Angular Contact Ball Bearing 3309-D-Ma Steel Cage for Gearbox Precision Machine Tools
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