In many industrial and automotive settings, there are professionals who work directly with steel ball bearings. This is a major business these days, and often involves sealed bushings for skateboards, spherical ceramic bearings that roll inside mechanical parts, and tapered cylindrical materials that are built into vehicle engines. Men and women work with all sorts of steel rails, wheel bearings, and mechanical aviation materials daily in this industry to earn a living. Since manufacturers and distributors are located all across the United States, there are a number of employment positions involving ball bearings.
Whether or not you need a college degree for working with materials like ball bearings really just depends on the field you enter. If you are a major buyer for an automotive plant, then you may need a degree in business. If you sell bearings at cheap rates to motor vehicle companies, you may only need a smaller amount of training. A lot depends on what your job title calls for. Experts who work with sealed bushings for aviation equipment may need an engineering degree before getting hired in this field. Some needle point-sized materials and rolling bearings call for years of precise training and experience.
Those who work with bearings for motor vehicles, skateboards and other mechanical purposes will usually work with an array of engineers, mechanics and industrial professionals in this field. A lot really just depends on the company you are employed with and what type of materials they deal with on a daily basis.