INA bearing units are ready to mount and use, giving you quick and easy installation. They can also be pregreased and sealed to limit maintenance and provide a long service life. What’s more, they can compensate for static shaft misalignment to increase reliability.Because of their versatility and cost-effectiveness, ball bearing units are typically used in many industrial applications. Ball bearing units consist of an insert bearing mounted in a housing. An insert bearing is a deep groove ball bearing with a sphered (convex) outside surface and an extended inner ring that includes a mechanism to lock the unit onto the shaft.

INA flanged ball bearing units consist of an insert bearing mounted in a housing, which can be bolted to a machine wall or frame. The INA assortment includes units compliant with ISO standards, North American standards, or Japanese Industrial Standards (JIS).TheINA bearing unit is a combination of a radial ball bearing, seal, and a housing of high-grade cast iron or pressed steel, which comes in various shapes. The outer surface of the bearing and the internal surface of the housing are spherical, so that the unit is self-aligning.