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 |
| Trademark | SKF |
| Origin | Jiangsu China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Machine Tool | High precision gearboxes, spindle systems |
| Industrial Machinery | Mechanical drive systems requiring radial load support |
Struggling with Gearbox Bearing Failures? The SKF 3309-D-Ma Delivers Precision You Can Trust
Many machine tool operators face unexpected downtime when gearbox bearings fail prematurely—often due to imprecise manufacturing or mismatched load capabilities. Sourcing reliable double row angular contact bearings that meet strict precision requirements can be a challenge, especially when dealing with multiple suppliers for different brands.
Engineered for High-Precision Gearbox and Machine Tool Performance
The Double Row Angular Contact Ball Bearing 3309-D-Ma addresses these pain points with its robust design and versatile performance. As a supplier with comprehensive bearing expertise, we offer access to a full range of industrial bearings, including this SKF 3309-D-Ma model, suitable for the demanding conditions of gearboxes and machine tools. Our ISO 9001 certified quality control ensures each bearing meets precise dimensional and performance standards, while our extensive inventory allows for quick response to urgent replacement needs.
Optimal Performance in Demanding Operating Conditions
This angular contact bearing excels in applications with combined radial and axial loads, making it ideal for high-speed gearboxes and precision machine tool spindles. Its double row structure provides increased rigidity and load-carrying capacity, while the separated design allows for easy mounting and dismounting during maintenance. Operating temperatures compatible with standard oil grease lubrication ensure reliable performance in typical industrial environments.
Key Engineering Features That Enhance Reliability
The bearing’s construction from high-quality bearing steel ensures excellent durability and resistance to wear, critical for maintaining precision in continuous operation. Available precision ratings from P0 to P2 allow selection based on application requirements—P2 grade offering the tightest tolerances for high-precision machine tools. Multiple cage options (steel, copper, nylon) provide flexibility: steel cages for high-temperature environments, copper for enhanced heat dissipation, and nylon for reduced noise in high-speed applications. The radial load design is optimized to handle the forces encountered in gearbox operations, minimizing deflection and extending service life.
Why Precision Bearings Reduce Total Cost of Ownership
Choosing the right angular contact bearing directly impacts equipment uptime and maintenance costs. A bearing with inaccurate precision ratings can lead to excessive vibration, accelerated wear on adjacent components, and unplanned downtime—costing far more than the initial savings from a lower-quality alternative. The SKF 3309-D-Ma’s consistent performance helps avoid these issues, contributing to lower total cost of ownership through extended service intervals and reduced replacement frequency.
Quality You Can Rely On
Our quality assurance process includes strict incoming material inspections and comprehensive成品 testing for dimensions, hardness, and surface finish. All bearings are supplied with traceable batch information, and we provide a warranty against manufacturing defects. With access to both international and domestic brands, we can fulfill orders for specific models like the SKF 3309-D-Ma or recommend suitable alternatives based on your requirements. Our inventory system ensures that conventional models are available for prompt delivery, minimizing production delays.
Packaging & Shipping
- Standard packaging: Carton boxes with palletized bulk shipments for large orders
- Expedited shipping available for urgent requirements
- Multiple logistics options including express courier, air freight, and sea freight
- Flexible minimum order quantities to accommodate both small repairs and large-scale production needs
Get Your SKF 3309-D-Ma Bearing Quote Today
Whether you need a single replacement bearing or a bulk order for your production line, we can provide competitive pricing and reliable delivery. Simply share the bearing model, required quantity, and delivery location, and our team will prepare a detailed quote. We also welcome inquiries for other bearing types and brands—our extensive network allows us to source hard-to-find models efficiently.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides SKF?
A: Yes, we provide bearings from a wide range of international and domestic brands, including NSK, NTN, Koyo, NACHI, IKO, FAG, Timken, and various Chinese manufacturers. We can source specific brands or models as per your requirements.
Q: How can I confirm if the 3309-D-Ma bearing fits my equipment?
A: Please provide the required dimensions (bore diameter, outer diameter, width) or the original equipment manufacturer’s part number. Our technical team can cross-reference this information to ensure compatibility with your gearbox or machine tool.
Q: What is your warranty policy for bearings?
A: We offer a warranty against manufacturing defects. The specific warranty period and terms are detailed in our sales contract, typically covering material and workmanship issues under normal operating conditions.
Q: What is the minimum order quantity for this bearing?
A: We accept small orders for emergency replacements, with no strict minimum quantity. For bulk orders, we can provide volume-based pricing discounts.
Q: How long does shipping take for the SKF 3309-D-Ma bearing?
A: In-stock items are shipped within 1-2 business days. Delivery time depends on the shipping method selected—express courier (3-5 days), air freight (5-7 days), or sea freight (2-4 weeks).
Q: Can you provide custom bearing solutions or OEM services?
A: Yes, we support OEM/ODM customization for specific applications. This includes special packaging, laser marking, and custom dimensions based on provided drawings or specifications.
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.
