Profile: Atlas Ball & Bearing Co. Ltd specializes in balls and rollers. We offer ceramic balls, brass balls, stainless steel balls and rollers. Our grade 5 precision ball has a diameter tolerance of 0.00001 inches, sphericity of 0.000005 inches and 0.8 micro inches of surface roughness. It is used in high precision bearings and gauges. Our ceramic balls have resistance to chemicals. Our brass balls are used in the presence of corrosive chemicals. We also supply various types of rollers such as needle rollers, cylindrical rollers and cylindrical spindles. Our cylindrical rollers are flat ended rollers with a diameter size ranging from 2.5mm to 70mm and lengths ranging from 4mm to 70mm. These rollers are used in bearings.