Abstract: A method for heat treating a steel component includes heating the component to a temperature at or above the austenitizing temperature and holding the component at or above the austenitizing temperature for a time sufficient to at least partially austenitize the steel, cooling the component to a first temperature in a temperature range of 200° C. to 270° C. and holding the component in the temperature range for at most 6 hours, thereby transforming at least a portion of the austenite into bainite, cooling the component to a temperature of from ?30° C. to 30° C., thereby forming martensite; and reheating the component to a second temperature in the temperature range, holding the component in the temperature range for at most 6 hours and then cooling the component to a temperature of from ?30° C. to 30° C., thereby transforming a further portion of the austenite into bainite and forming tempered martensite.

Abstract: A hub bearing assembly includes a hub of light metallic material forming a cylindrical portion, on which an inner tubular ring having a raceway is mounted; on the first inner tubular ring a second inner ring having a second raceway is fastened; formed between the cylindrical portion of the hub and the inner tubular ring is a cylindrical interstice containing a brazing bonding material or a structural adhesive which integrally binds the hub to the first inner tubular ring.

Abstract: A hub bearing assembly includes a hub made of lightweight metallic material and forming a cylindrical portion, on which a tubular inner ring providing a raceway is mounted; a second inner ring is fixed on the first tubular inner ring and provides a second raceway; a cylindrical interstice is formed between the cylindrical portion of the hub and the tubular inner ring and contains a structural adhesive which integrally joins the hub to the first tubular inner ring.

Abstract: A hub bearing assembly includes a hub of light metallic material forming a cylindrical portion, on which an inner tubular ring having a raceway is mounted; on the first inner tubular ring a second inner ring having a second raceway is fastened; formed between the cylindrical portion of the hub and the inner tubular ring is a cylindrical interstice containing a brazing bonding material or a structural adhesive which integrally binds the hub to the first inner tubular ring.

Abstract: A hub bearing assembly includes a hub made of lightweight metallic material and forming a cylindrical portion, on which a tubular inner ring providing a raceway is mounted; a second inner ring is fixed on the first tubular inner ring and provides a second raceway; a cylindrical interstice is formed between the cylindrical portion of the hub and the tubular inner ring and contains a structural adhesive which integrally joins the hub to the first tubular inner ring.