BEARING

摘要

A bearing apparatus (10) for supporting a rotatable shaft (14), said bearing apparatus comprising an outer housing (12) supporting the bearing apparatus and an inner housing (11) which encloses bearing elements (19 ) comprising balls or rollers surrounding the shaft (14), a part spherical seat (28) being provided between the inner and outer housing to withstand dynamic misalignment of the shaft and bearing apparatus by allowing rotational movement between the inner and outer housings, means being provided to pass lubricant from the outer housing to the inner housing, said means comprising a member (37) mounted in and protruding from one of the outer housing or inner housing to engage with a slot (41) in the other of the outer housing or inner housing, said protruding member and said slot being formed to allow limited movement of the protruding member in the slot caused by said rotational movement between the inner and outer housings, and means being provided to allow passage of lubricant from the slot to the bearing elements.