Pre-stressed rolling bearing, notably for steering column

摘要

The pre-stressed rolling bearing comprises an inner ring 1, an outer ring 2 and a row of rolling elements 3 disposed between the rings, at least one of said rings comprising a housing 5, an annular wire 6 mounted in the housing to form a first raceway for the rolling elements, and a pre-stressing element 8 mounted in the housing. Said ring further comprises a stiffening cup 7 axially disposed between the pre-stressing element 8 and the rolling elements 3 and comprising a concave surface 7b forming a second raceway for the rolling elements.