Deep groove ball bearings are suitable for high speed operation, and are very durable and do not require frequent maintenance. This type of bearing has a small friction coefficient, a high limit speed, and a wide range of sizes and forms. It is used in precision instruments, low-noise motors, automobiles, motorcycles, and general machinery. It is the most widely used bearing in the machinery industry. It mainly bears radial load and can also bear a certain amount of axial load.