Double Row Angular Contact Ball Bearing 3306 A-2RS1 TN9/MT33 Steel Cage for Electric Motors

Product Specifications

Application Suitability

Need a Reliable SKF 3306 A-2RS1 Bearing for Electric Motors? Here's What Matters

Electric motor operators often face challenges with bearing failures due to misalignment, poor lubrication, or substandard materials. Selecting the right double row angular contact ball bearing is critical—installing an incorrect cage type or precision grade can lead to premature wear, increased vibration, and unexpected downtime during production.

Built for Reliable, Long-Term Performance in Electric Motors

The SKF 3306 A-2RS1 double row angular contact ball bearing addresses these issues with its robust steel cage design and separated structure, ensuring stable operation under radial loads. As a supplier with ISO 9001 certified quality processes, we offer full traceability from raw material inspection to finished product testing, covering all major bearing brands including SKF. Our extensive inventory supports same-day shipping for common models, reducing lead times for urgent motor maintenance needs.

Where This Bearing Performs Best

This angular contact ball bearing excels in electric motor applications where combined radial and axial loads are present. Its double row structure provides higher load capacity compared to single row designs, making it suitable for motors operating at moderate speeds with intermittent thrust loads. The 3306 A-2RS1 TN9/MT33 variant, with its rubber seals, offers enhanced protection against contaminants in industrial environments, extending service life in dusty or humid conditions.

Engineering Details That Matter

The steel cage construction ensures dimensional stability at high operating temperatures, maintaining bearing integrity even during prolonged motor use. Precision ratings from P0 to P6 allow customization based on application requirements—higher precision grades (P2/P4) reduce runout for critical motor alignment, while standard grades (P0/P6) balance performance and cost-effectiveness. The separated design facilitates easier installation and maintenance, allowing for quick replacement without disassembling the entire motor assembly. Oil grease lubrication provides consistent friction reduction, supporting smooth rotation and minimizing heat generation in continuous-duty motors.

Why Bearing Selection Affects Total Cost

Choosing the correct SKF 3306 bearing directly impacts total operating costs. A bearing with inadequate load capacity or improper precision can fail within months, leading to unplanned production stops, repair labor expenses, and potential damage to motor shafts. By contrast, a properly selected double row angular contact bearing meets ISO 281 fatigue life standards, reducing replacement frequency and lowering long-term maintenance costs. Our ability to source from multiple brands ensures you get the right bearing at competitive pricing, avoiding overpayment for unnecessary features or underspecifying for critical applications.

Quality You Can Rely On

Packaging & Shipping

• Packaged in cartons with palletization for bulk orders, ensuring safe transit
• Same-day shipping available for in-stock items
• Flexible delivery options including express courier, air freight, and sea freight
• Low minimum order quantity supported, ideal for both maintenance and production needs

Request a Quote for SKF 3306 A-2RS1 Bearing

To get started, provide the bearing model, required quantity, and delivery location. Our technical team can also assist with cross-referencing if you need an alternative to your current electric motor bearing. The sooner you confirm your requirements, the faster we can arrange shipment to minimize your equipment downtime.

Frequently Asked Questions