Bearings generally serve to reduce friction and allow for smoother rotation, and friction is bound to occur between the rotating shaft and the part that supports the rotation. Industries where bearings naturally used are automotive, aerospace, construction, off highway, railroad, medical instruments, machine tools and energy. Bearing’s has size chart varying from 6000 series, 6200 series, 6300 series, 6700 series, 6800 series and 6900 series. If you have any special requirement with that, we can provide you that as well. Our product are designed to meet your specific requirements.