The actual product range of FAG spindle bearings

For new machines, there is the potential to improve important performance and reduce costs. This can be achieved by applying know-how in the bearing system arrangement and by considering and optimizing the type of bearing used and installing the bearings in the correct way. FAG spindle bearing solutions can make new designs a unique selling point in the market, as well as enhance the performance of existing designs. The catalogue provides the actual product range of FAG spindle bearings. However, the sizes and design types listed in the table are not exhaustive; other sizes and different types of spindle bearings are available upon request. FAG universal matching bearing is a special product. They can be installed in either arrangement without any performance loss, and can be combined in different arrangements at will. This feature brings very important logistical advantages, especially with regard to the purchase of spare parts and inventory management, the bearing can be mounted and configured according to the markings on the outer surface of the outer ring. Sealed Spindle Bearings Spindle bearings are high-precision functional components that are susceptible to damage from environmental influences such as contamination and drafts. The right amount of grease and the selection of lubricant are also the key to directly affect the service life of the machine tool, because the service life of the lubricant is the service life of the bearing. In the early days, FAG established the standard for sealed high-speed spindle bearings (HSS, HCS and XCS). Almost all spindle bearings now have types with non-contact gap seals at both ends. It is the advantages brought by this special seal that make it acceptable to the market. FAG-sealed spindle bearings are filled with FAG ARCANOL L075 high-performance grease and offer the following benefits: Rugged, compact, ready-to-install, lubricated for life, maintenance-free Filled with the right amount of grease of the right type to prevent contamination and airflow Sealed spindles The widespread use of bearings marks the transition from oil lubrication to grease lubrication. When the high-speed FAG sealed spindle bearings are classified, S (abbreviation for sealing) is added to the code. For large ball bearings such as bearings with the prefix B, the suffix .2RSD is used to indicate this seal. Direct Lubrication Bearings In the case that grease lubrication cannot meet the requirements, FAG direct lubricating bearings are the best choice for increasing the spindle speed. Directly lubricated bearings ensure that the lubricant is supplied closer to the rolling contact area. It is achieved through the lubrication grooves and radial lubrication holes in the circumferential direction on the outer ring of the bearing. With the addition of a precision O-ring seal, the bearing is sealed in the bearing seat. FAG direct lubricated bearings can reach extremely high rotational speeds. Its special power density is not the only advantage of this design. The cost of surrounding structural elements is also reduced. This saves space and reduces costs. In the hybrid ceramic ball bearing market, there is an increasing demand for bearings with steel inner and outer rings with ceramic balls. Originally used only at high speeds, today hybrid ball bearings are also used at low speeds. The reasons for this are: Its robustness and reliability Significantly increases the service life of the grease The use of a steel-ceramic material significantly reduces the load on the lubricant compared to a steel-to-steel material combination. The elliptical shape of the stress-varying area is smaller, thus reducing the stress on the lubricant. Because of the use of different materials, there is less chance of sticking. In the same way, the thermal stress is also reduced compared to an all-steel bearing. The use of ceramic ball bearings greatly increases the rotational speed, thereby expanding the application range of grease lubrication. The cost of the entire system, including design and actual operation, is substantially reduced.