My Account (734) 335-4083 Research and Development HOME » RESEARCH AND DEVELOPMENT Aetna understands that meeting every customer’s exact needs is of paramount importance to a successful product. Because of the drive to meet customers’ every need, we are fully dedicated to developing a close working relationship with each customer — providing ongoing research and development designed to find the best solution possible. To ensure the highest product quality Aetna conducts ongoing studies of the latest bearing technologies. Additionally, the engineering teams do extensive, rigorous testing in our in-house bearing testing facility. This ensures that the best products are developed for customers through extensive testing and evaluation. Aetna has a long history of successful R&D programs that have resulted in numerous patents and solution for customers’ challenges, including: Patent US1,958,725 – T-type clutch bearing with smooth trouble free operation Patent US3,272,576 – Step Shell design clutch release bearing with increase sealing in a compact package. Patent US4,478,325 – Self-adjusting angular contact clutch release bearing Patent US3,800,384 – Four-point bearing structure and method of forming. Patent US 4,739,867 – Self-Aligning Bearing Corporate Headquarters 31778 Enterprise Drive Livonia, MI 48150 Phone: 734-335-4083 PARTNERS © 2021 Aetna Bearing Company. All rights reserved. Privacy Policy | Terms & Conditions | Return Policy

My Account (734) 335-4083 ISO Metric Thrust Ball Bearings HOME » THRUST BALL BEARINGS » ISO METRIC THRUST BALL BEARINGS ISO Metric Thrust Ball Bearings 51100 SERIES METRIC THRUST BALL BEARING 51200 SERIES METRIC THRUST BALL BEARING 51300 & 51400 SERIES METRIC THRUST BALL BEARING 52200, 52300 & 52400 SERIES DOUBLE DIRECTION THRUST BALL BEARING 53200 & 53300 SERIES THRUST BALL BEARINGS WITH SELF-ALIGNING WASHER Showing all 5 results Corporate Headquarters 31778 Enterprise Drive Livonia, MI 48150 Phone: 734-335-4083 PARTNERS © 2021 Aetna Bearing Company. All rights reserved. Privacy Policy | Terms & Conditions | Return Policy

My Account (734) 335-4083 Sprocket Idlers HOME » SPROCKET & BELT IDLERS » SPROCKET IDLERS Sprocket Idlers DETACHABLE LINK SPROCKET IDLER EXTENDED PITCH SPROCKET IDLER HEAVY DUTY EXTENDED PITCH IDLER SINGLE PITCH SPROCKET IDLER Showing all 4 results Corporate Headquarters 31778 Enterprise Drive Livonia, MI 48150 Phone: 734-335-4083 PARTNERS © 2021 Aetna Bearing Company. All rights reserved. Privacy Policy | Terms & Conditions | Return Policy

My Account (734) 335-4083 Thrust Ball Bearings HOME » THRUST BALL BEARINGS Includes Banded Inch and Metric sizes. Aetna also provides Ball Thrust Retainers as well as specialty and customed designed items to meet application requirements. ABMA Inch Thrust Ball Bearings 3 Items ABMA Metric Thrust Ball Bearings 3 Items ISO Metric Thrust Ball Bearings 5 Items Thrust Ball Retainer 1 Items Corporate Headquarters 31778 Enterprise Drive Livonia, MI 48150 Phone: 734-335-4083 PARTNERS © 2021 Aetna Bearing Company. All rights reserved. Privacy Policy | Terms & Conditions | Return Policy