WHEEL HUB OF AN AGRICULTURAL OR WORK VEHICLE AND HYDRAULIC OIL ACCUMULATION SYSTEM INCLUDING THE WHEEL HUB

Wheel hub (H) of an agricultural or work vehicle comprising a fixed bell (BL) defining a development axis (X), inside which a spindle (SH) is coaxially associated in a rotatable manner, which faces the outside of the bell by means of a relative flange (FL) arranged for coupling to a vehicular propulsion wheel, a sealed intermediate chamber (S2) being defined inside the hub, and in which the bell includes a first circa radial through opening (HC), equipped with a relative first hydraulic connector, arranged at said intermediate chamber, for introducing or drawing off hydraulic oil and at least one second aeration opening (AHC).