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 |
| Automotive |
Auto Transmission Systems |
Prevent Transmission Failures with 3311-D-Ma Double Row Angular Contact Ball Bearing
Auto transmission systems demand bearings that handle both radial and axial loads while maintaining precision at high speeds. A common issue faced by manufacturers is premature bearing failure due to misalignment or inadequate load capacity, leading to costly production delays and warranty claims. Sourcing bearings that balance precision, durability, and customization options can be a challenge in today’s competitive market.
High Precision P4 Bearing for Reliable Auto Transmission Performance
The Double Row Angular Contact Ball Bearing 3311-D-Ma is engineered to address these challenges, offering P4 precision grade which ensures minimal runout and consistent performance in auto transmission applications. As a professional bearing manufacturer with decades of export experience, we produce this bearing using high-grade chrome steel and advanced processing equipment, ensuring stable performance and long service life. Whether for standard production or custom requirements, our one-stop service covers everything from R&D to delivery, making us a trusted partner for automotive parts manufacturers worldwide.
Optimal Performance in Auto Transmission Environments
This Angular Contact Ball Bearing for Auto is designed to thrive in the demanding conditions of automotive transmissions, where it must withstand combined radial and axial loads, high rotational speeds, and temperature variations. The double row structure provides increased rigidity and load-bearing capacity compared to single row bearings, making it ideal for heavy-duty transmission systems. Its separated design allows for easy mounting and dismounting, simplifying maintenance procedures and reducing downtime during repairs or replacements.
Key Technical Features That Enhance Transmission Efficiency
The 3311-D-Ma Auto Bearing incorporates several critical technical features that directly impact transmission performance. The P4 precision rating ensures tight dimensional tolerances, reducing vibration and noise during operation—critical for passenger comfort and meeting noise regulations. The choice of cage material (steel, copper, or nylon) allows customization based on specific application needs: steel cages offer high strength for heavy loads, copper cages provide excellent heat dissipation, and nylon cages reduce friction and noise in high-speed scenarios. Additionally, the bearing is lubricated with high-quality oil grease, optimizing performance and extending service life by minimizing wear and preventing contamination.
Long-Term Value of Genuine High Precision Bearings
Choosing genuine P4 Precision Ball Bearings like the 3311-D-Ma over counterfeit alternatives offers significant long-term value. Counterfeit bearings often fail prematurely due to substandard materials and poor manufacturing processes, leading to transmission breakdowns, costly repairs, and potential safety risks. In contrast, our bearings meet ISO, ABMA, and DIN international standards, ensuring consistent quality and reliability. With a 12-month warranty from the date of delivery, we stand behind our products, offering free replacements or refunds for qualified defective products. This commitment to quality reduces the total cost of ownership by minimizing downtime and maintenance expenses.
Why Automotive Manufacturers Trust Saifan Bearings
Our reputation as a reliable bearing supplier is built on decades of industry experience and a customer-centric approach. We hold ISO 9001:2015 Quality Management System and ISO 14001 Environmental Management System certifications, ensuring strict quality control throughout the production process—from incoming raw material inspection to full-process supervision and finished product testing. Our professional technical team provides free guidance on bearing selection, installation, and maintenance, offering remote troubleshooting support to keep your production lines running smoothly. With flexible order policies (1 piece MOQ for standard bearings, 3-5 working days for sample orders), we can accommodate both small-batch and large-scale production needs, ensuring timely delivery to meet your manufacturing schedules.
Packaging & Shipping
- Carton pallet packaging for secure transportation and storage
- Sample orders shipped within 3-5 working days
- Bulk orders delivered in 5-15 working days
- Multiple shipping options available to meet global delivery requirements
- 1 piece MOQ for standard bearings, supporting small-batch and emergency orders
Get Your 3311-D-Ma Bearing Quote Today
Don’t let transmission bearing issues slow down your production. Whether you need standard P4 precision bearings or custom solutions, our team is ready to assist. Send us your requirements, including quantity and specific application details, and we’ll provide a competitive quote within 24 hours. Ensure your auto transmission systems perform at their best with reliable, high-quality bearings from Saifan.
Frequently Asked Questions
Q: Is this bearing a genuine original product?
A: We supply genuine original bearings, including famous brands like NSK and INA, with complete traceability and authenticity guarantees.
Q: How can I confirm if the 3311-D-Ma is suitable for my transmission system?
A: Our professional technical team can help verify compatibility. Provide your equipment model or specific工况 parameters, and we’ll offer free选型 guidance.
Q: What is the warranty period for this bearing?
A: We offer an official 12-month warranty valid from the date customers receive the goods, covering manufacturing defects.
Q: What is the minimum order quantity for the 3311-D-Ma bearing?
A: We accept 1 piece MOQ for standard bearings, making it suitable for small-batch purchases and emergency repairs.
Q: How long does it take to ship an order?
A: Sample orders are shipped within 3-5 working days, and bulk orders take 5-15 working days, depending on quantity and customization requirements.
Q: How do you ensure the quality of the bearings during production?
A: We conduct strict incoming raw material inspections, full-process production supervision, and comprehensive performance tests in our in-house laboratory, including dimensional detection and noise & vibration tests.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
