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 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Manufacturing |
Gearbox, Machine Tool |
Minimize Downtime with 3309-D-Ma Double Row Angular Contact Ball Bearing for Gearbox Machine Tool
Machine tool operators and gearbox manufacturers often face unexpected production halts due to bearing failures, especially in high-precision applications. Inconsistent part quality, delayed deliveries from suppliers, and difficulty finding bearings that meet P4 precision standards can disrupt operations and increase costs.
High Precision P4 Angular Contact Ball Bearing for Reliable Gearbox Performance
Our Double Row Angular Contact Ball Bearing 3309-D-Ma is engineered to address these challenges. With precision grade P4, it ensures stable rotation and reduced vibration in gearbox and machine tool applications. As a professional bearing manufacturer with decades of experience, we offer flexible order policies, including 1 piece MOQ for standard bearings, ensuring you get the exact quantity you need without excess inventory.
Optimal Performance in Gearbox and Machine Tool Applications
This Double Row Angular Contact Ball Bearing is specifically designed for gearbox and machine tool environments, where it operates under radial and axial loads. The angular contact structure allows it to handle combined loads efficiently, making it suitable for high-speed rotation and precision machining processes. Its separated design facilitates easy installation and maintenance, critical for minimizing downtime in busy production facilities.
Technical Features Ensuring Long Service Life
The 3309-D-Ma Bearing features a precision rating of P4, which guarantees tight tolerances for dimensional accuracy and rotational stability—essential for maintaining the precision of machine tool operations. Constructed from high-grade bearing steel, it offers excellent durability and resistance to wear, even under continuous use. The cage options (Steel, Copper, Nylon) provide flexibility to match specific application requirements, with steel cages offering high strength for heavy loads and nylon cages reducing noise in high-speed scenarios. Lubricated with oil grease, the bearing ensures smooth operation and extends service life by minimizing friction and heat generation.
Why Genuine High Precision Bearings Matter for Your Equipment
Choosing genuine High Precision P4 Angular Contact Ball Bearings like the 3309-D-Ma avoids the hidden costs of counterfeit products. Counterfeit bearings often fail prematurely, leading to unplanned downtime, increased repair costs, and potential damage to expensive gearbox or machine tool components. Our bearings meet ISO international industrial standards, ensuring consistent quality and performance. With a focus on total cost of ownership, investing in reliable bearings reduces long-term operational expenses by minimizing maintenance and replacement frequency.
Our Commitment to Quality and Service
With ISO 9001:2015 and ISO 14001 certifications, we adhere to strict quality control processes from raw material inspection to finished product testing. Our professional technical R&D team and experienced QC staff ensure each bearing meets high standards. We provide a 12-month warranty from the date of delivery, with free replacement or refund for qualified defective products. Offering one-stop service covering independent R&D, mass production, and global sales, we support OEM & ODM customization to adjust structure, size, and packaging according to customer drawings and demands. With efficient delivery (3-5 working days for samples, 5-15 working days for bulk orders), we ensure you receive your bearings when you need them.
Packaging & Shipping
- Transport Package: Carton Pallet
- Efficient delivery: 3-5 working days for sample orders, 5-15 working days for bulk orders
- Multiple logistics options available to meet global delivery needs
- Real-time logistics tracking provided for all orders
- Flexible order rule: 1 piece MOQ for standard bearings
Secure Your 3309-D-Ma Bearing Today
Don’t let bearing issues slow down your production. Whether you need a single sample for testing or bulk orders for your manufacturing line, we can fulfill your requirements. Contact us with your bearing specifications, application details, and quantity to get started—our team will assist you promptly to ensure you receive the right bearing for your gearbox or machine tool.
Frequently Asked Questions
Q: Is this bearing a genuine product?
A: We supply genuine bearings, and all products meet ISO international industrial standards. Our quality management system is certified with ISO 9001:2015, ensuring product authenticity and reliability.
Q: How can I confirm if the 3309-D-Ma bearing fits my machine tool?
A: Our professional technical team offers free guidance on bearing selection. Provide your equipment model, operating conditions, and load requirements, and we will help confirm the suitability of the 3309-D-Ma bearing for your application.
Q: What is the warranty policy for this bearing?
A: We offer an official 12-month warranty valid from the date customers receive the goods. Qualified defective products are eligible for free replacement (delivered with the next bulk order) or direct refund.
Q: What is the minimum order quantity for the 3309-D-Ma bearing?
A: The minimum order quantity for standard bearings is 1 piece, making it suitable for both emergency repairs and small-scale production needs.
Q: How long does it take to ship the bearing?
A: Sample orders are delivered within 3-5 working days, and bulk orders within 5-15 working days. We will synchronize logistics information to keep you updated on your order status.
Q: How can I ensure the bearing’s quality upon receipt?
A: All products undergo strict finished product inspection before shipment. You can verify the precision rating, material quality, and other specifications upon receipt, and our technical team is available to address any quality concerns.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
