A bearing support apparatus for a wind power generator assembly, the wind power generator assembly comprising an impeller and a generator, a hub (3) of the impeller being sleeved over the outer side of a main bearing base (7) of the generator, the bearing support apparatus for the wind power generator assembly comprising: at least one locking connecting member (4), the locking connecting member (4) being provided with a locking wedge (41) arranged between the main bearing base (7) and the hub (3); use of the present bearing support apparatus for a wind power generator assembly reduces the difficulty of hoisting.
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