Ball bearings - Bearings and bearings housing INA
Ball bearings consist of an inner and an outer ring with a row of balls positioned between them. The balls are usually held in place by a cage, which ensures correct spacing and prevents contact between the balls. There are also full complement designs without a cage, allowing for more balls to be used and thus increasing load capacity. Ball bearings can accommodate radial, axial, or combined loads, depending on the application. They are suitable for higher speeds compared to roller bearings but have a lower load-carrying capacity. Versions are available with and without seals. Sealed bearings provide protection against contamination and require minimal maintenance, while open types allow for more flexible lubrication under specific operating conditions.
INA was founded in Herzogenaurach, Germany in 1946. The company started out manufacturing handcarts, but also invented the caged needle bearing, leading to a deeper focus on precision products and helping the company develop into bearing manufacturing. For decades, INA has been synonymous with precision quality, in-depth knowledge and manufacturing expertise. Today, INA products are used in industry, with new solutions being developed daily. In 2001 INA bought FAG and the name of the combined company is Schaeffler Group. The company invests heavily in development and has over 24,000 active patents and patent applications. There are over 2,300 new patent applications every year, making it the second most innovative company in Germany according to the German Patent Office.
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