Hotel Indigo Old Town Alexandria, Alexandria, Virginia. Gain a better understanding of various types of gears and bearings. Learn about the limitation and capabilities of rolling element bearings and the gears that they support.  Grasp an understanding of how to properly apply the best gear-bearing combination to any gearbox from simple to complex. Gear design engineers; management involved with design, maintenance, customer service, and sales should consider attending. The course instructors are Raymond Drago and Joseph Lenski, Jr.