Antifriction bearing does not shut down into grease discharging structure

The utility model discloses an antifriction bearing does not shut down into grease discharging structure, including the bearing frame, the bearing housing, antifriction bearing, the pivot, the outer bearing cover, and establish the inside cap, form inboard cavity between antifriction bearing the inner and the inside cap, form outside cavity between antifriction bearing outer end and the outer bearing cover, the bearing housing outer end has passes through the screw connection between flange and flange and the bearing frame tip, the apparatus further comprises a rotating shaft, the oil inlet that is linked together with straight oil duct is seted up on outer bearing cover upper portion, the oil inlet in -connection has into oil pipe, the internal oil channel that first end was seted up to the inside cap inboard and straight oil duct is linked together and the second is held and inboard cavity is linked together, the oil drain port that is linked together with outside cavity is seted upto the outer bearing cove