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 |
Transmission Systems, Gearboxes, Drivetrains |
| Industrial Machinery |
CNC Machines, Spindles, Reducers |
| Agricultural Equipment |
Tractors, Harvesters, Heavy-Duty Transmissions |
Prevent Transmission Failures with 3311-D-Ma Double Row Angular Contact Ball Bearing for Automotive Use
Automotive transmission systems demand bearings that withstand constant radial and axial loads while maintaining precision at high rotational speeds. A single bearing failure can lead to costly downtime, compromised vehicle performance, and safety risks. Many manufacturers struggle with sourcing bearings that balance durability, compatibility, and timely delivery—especially when dealing with specialized transmission designs.
Engineered for Automotive Transmission Reliability
The 3311-D-Ma Double Row Angular Contact Ball Bearing addresses these challenges with a separated design and steel cage construction, optimized for the rigorous demands of automotive transmissions. As a professional integrated bearing manufacturer with decades of export experience, we ensure each unit meets P0-P4 precision grades and undergoes strict dimensional and performance testing. Whether for passenger vehicles or commercial fleets, this bearing delivers consistent performance under varying loads and operating conditions.
Optimal Performance in Demanding Transmission Environments
Automotive transmissions operate in environments characterized by fluctuating temperatures, continuous vibration, and mixed radial-thrust loads. The double row angular contact design of the 3311-D-Ma bearing provides superior load-carrying capacity compared to single row alternatives, making it ideal for applications requiring high rigidity and axial guidance. Its steel cage enhances structural stability at high speeds, ensuring reliable power transmission and extended service life.
Key Technical Features That Drive Performance
Precision rating options from P0 to P6 allow customization based on application requirements—P4 grade bearings, for example, minimize runout and noise, critical for luxury vehicle transmissions. The separated structure facilitates easy mounting and dismounting during maintenance, reducing assembly time and labor costs. Bearing steel construction ensures resistance to wear and fatigue, while oil grease lubrication supports consistent operation across a wide temperature range. These features collectively contribute to reduced maintenance intervals and enhanced transmission efficiency.
Why Genuine Bearings Matter for Total Cost of Ownership
Choosing authentic 3311-D-Ma Angular Contact Ball Bearings over counterfeit alternatives directly impacts long-term costs. Counterfeit bearings often fail prematurely due to substandard materials and poor manufacturing tolerances, leading to transmission damage, unplanned repairs, and vehicle downtime. Our products adhere to ISO industrial standards and undergo full-process quality control, from raw material inspection to finished product testing. The result is a bearing that delivers predictable performance, minimizing the risk of costly failures and ensuring lower total ownership costs over time.
Our Commitment to Reliable Supply and Support
With ISO 9001:2015 and ISO 14001 certifications, we maintain strict quality management systems to guarantee product consistency. Our flexible order policy allows for 1 piece MOQ on standard bearings, supporting both small-batch repairs and large-scale production needs. Sample orders ship within 3-5 working days, and bulk orders within 5-15 days, ensuring minimal lead times. Our technical team provides free guidance on bearing selection, installation, and maintenance, while a 12-month warranty covers manufacturing defects, with replacement or refund options available.
Packaging & Shipping
- Standard packaging: Individual carton boxes with protective cushioning, secured on pallets for bulk orders
- Sample order delivery: 3-5 working days via express courier (DHL, FedEx, UPS)
- Bulk order delivery: 5-15 working days, with flexible shipping options including air and sea freight
- Real-time tracking provided for all shipments, ensuring visibility from our factory to your facility
- Minimum order quantity: 1 piece for standard bearings, supporting emergency maintenance and small-scale purchases
Secure Your Transmission Performance Today
Don’t let bearing failure disrupt your production schedule or compromise vehicle safety. The 3311-D-Ma Double Row Angular Contact Ball Bearing is engineered to meet the specific demands of automotive transmissions, delivering reliability and performance you can trust. Contact us now with your bearing requirements, and our team will provide a tailored quote and fast delivery.
Frequently Asked Questions
Q: Are these bearings genuine SKF products?
A: Yes, we supply genuine original brand bearings, including SKF, with full traceability to ensure authenticity.
Q: How do I confirm if the 3311-D-Ma bearing fits my transmission model?
A: Provide your transmission specifications or equipment model, and our technical team will verify compatibility and offer free选型 support.
Q: What is the warranty period for this bearing?
A: We offer a 12-month warranty from the date of receipt, covering manufacturing defects with free replacement or refund options.
Q: What is the minimum order quantity for the 3311-D-Ma bearing?
A: Standard bearings have a 1 piece MOQ, supporting both emergency repairs and small-batch orders.
Q: How quickly can I receive my order?
A: Sample orders ship within 3-5 working days, while bulk orders take 5-15 working days, with express shipping available for urgent needs.
Q: How can I verify the authenticity of the bearings upon receipt?
A: Authentic bearings include original packaging with brand markings and serial numbers. We also provide certification documents for traceability upon request.
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