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 3309 a-Nr Double Row Angular Contact Ball Bearing
Automotive transmission systems demand bearings that handle radial and axial loads without compromise. A failed bearing can lead to costly downtime, noisy operation, and even safety risks. Many suppliers force high minimum orders or deliver inconsistent quality, leaving you struggling to maintain production schedules.
Engineered for Automotive Transmission Reliability
Our Double Row Angular Contact Ball Bearing 3309 a-Nr with Snap Ring is designed to solve these challenges. With precision ratings from P0 to P4 and noise grades up to Z4, it ensures smooth operation in automotive transmissions. We support flexible order quantities—starting with 1 piece for standard bearings—and deliver samples in 3-5 working days, so you can test fit before full deployment.
Optimal Performance in Demanding Conditions
This Angular Contact Ball Bearing excels in high-torque environments typical of automotive transmission systems. Its double-row design distributes loads evenly, while the integrated snap ring simplifies installation and prevents axial displacement. Whether in passenger cars or commercial vehicles, it maintains stability under varying speeds and temperature fluctuations, reducing maintenance needs.
Key Technical Features That Matter
The bearing’s precision rating directly impacts transmission accuracy: P4 grade minimizes runout, ensuring seamless power transfer. Cage options—steel, copper, or nylon—cater to specific application needs; steel cages offer durability for heavy-duty use, while nylon reduces noise in passenger vehicles. Lubricated with high-performance grease, it operates efficiently across a wide temperature range, maintaining lubrication integrity even in extreme conditions. The separated structure allows for easy maintenance, extending service life and lowering total costs.
Why Quality Bearings Reduce Long-Term Costs
Choosing a low-quality Angular Contact Ball Bearing may save upfront costs, but the hidden expenses add up. Early failures cause production line stoppages, requiring emergency repairs and replacement parts. Our bearings meet ISO, ABMA, and DIN standards, backed by strict quality control—from raw material inspection to full-process testing. With a 12-month warranty, we stand behind every unit, ensuring you avoid the costs of premature failure and unplanned downtime.
Our Commitment to Your Success
As a professional bearing manufacturer with over 15 years of experience, we serve clients across Europe, North America, and Southeast Asia. Our ISO 9001:2015 and ISO 14001 certifications validate our commitment to quality and environmental responsibility. We offer free technical guidance on selection and installation, and our responsive after-sales team resolves issues promptly. With a production capacity of 1,000,000 units annually, we ensure stable supply even for large-scale orders.
Packaging & Shipping
- Secure carton and pallet packaging to prevent damage during transit
- Sample orders shipped within 3-5 working days; bulk orders within 5-15 working days
- Multiple logistics options: DHL, FedEx, UPS, air, and sea freight
- Real-time tracking provided for all shipments
- Flexible MOQ: 1 piece for standard bearings, customized quantities negotiable
Get the Right Bearing for Your Transmission System
Don’t let bearing issues disrupt your production. Send us your transmission specifications, required quantity, and customization needs, and our technical team will confirm the perfect fit. With fast delivery and reliable performance, we help you keep your operations running smoothly.
Frequently Asked Questions
Q: Are these bearings genuine SKF products?
A: Yes, we supply genuine original brand bearings, including SKF, with complete traceability to ensure authenticity.
Q: How do I confirm if the 3309 a-Nr bearing fits my transmission?
A: Provide your transmission model or technical drawings, and our engineering team will verify compatibility and offer free selection support.
Q: What is the warranty period for this bearing?
A: We offer a 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund.
Q: What is the minimum order quantity for standard bearings?
A: We accept orders starting from 1 piece for standard bearings, ideal for emergency repairs or small-scale needs.
Q: How long does shipping take for bulk orders?
A: Bulk orders typically ship within 5-15 working days, with expedited options available for urgent requirements.
Q: How can I verify the bearing’s quality upon receipt?
A: Each bearing undergoes strict dimensional and performance testing before shipment. We provide inspection reports and certification documents upon request.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
