Bearing with an intermediate race

摘要

A bearing comprising at least one intermediate idling race rotatable between fixed and rotating races and a predetermined number of sets of elastic sleeve and roller distributed outside and inside the idling race between the fixed and rotating races. The sleeve encloses therewithin the roller having a diameter slightly smaller than the inner diameter of the sleeve. The sleeves roll is compressed between the races against the rollers so that the idling race can rotate at a controlled speed as the rotating race rotates.