Stainless steel and ceramic ball bearing are two kinds of bearings with different materials. As the name implies, the stainless steel bearing is re self retaining units which consist of solid inner and outer rings., while the ceramic ball bearing is self-retaining units with solid inner and outer rings and ball and cage assemblies with polyamide, sheet metal or brass cages.
Besides, stainless steel bearing is manufactured to close tolerances, appropriate for high-performance applications in the aerospace, medical device and other industries. Not so, ceramic ball bearing also has the following good performances: light mass, corrosion resistance, non-magnetism, low noise, low expansion and low temperature rise during running, thus it has been applied in the industries of machinery, chemical industry, food, electric power and national defense etc.
Above all, stainless steel bearing is most used in the applications with high rotational speed, high precision and small axial load such as main shaft of motor of airplane,main shaft of machine tool and other main shafts of high speed and precision machinery. It is also used on high frequency motor, gas turbine, oil prump, air compressor, printing machines etc. They are a most widely used bearing in machinery industry. Ceramic ball bearing is suitable for the applications where high load, high axial stiffness and low friction torque are important. Also the common used areas of it include for tractors, motors, automobiles, motorcycles, and other common machinery, as a widely used type of bearings in machinery.