Three rows of roller bearing, in particular for a wind turbine

摘要

Three rows of roller bearing (1) in particular for a wind turbine comprising a series of radially rollers (2), which receive a radial load, and a pair of rows of axially cone rollers (3, 4), which receive an axial load, characterised in that the bearing (1) an inner ring (9) with a rectangular cross section and two bearing surfaces for the rolls (3, 4), which are located on opposite surfaces of the inner ring (9) are arranged, and a further bearing surface for the radial roller (2), which is arranged between the opposed surfaces comprises.