A hermetic compressor in which a compressing mechanism for compressing refrigerant, and an electric mechanism for driving the compressing mechanism by a rotation shaft are placed in a hermetic container, an oil storage section for storing lubricant oil is formed in a bottom of the hermetic container, the hermetic compressor including: a main bearing for supporting an upper portion of the rotation shaft, an auxiliary bearing for supporting a lower end of the rotation shaft, a thrust-receiving plate placed below the auxiliary bearing and receiving a thrust force of the rotation shaft, an oil pump housing placed below the thrust-receiving plate, a displacement oil pump stored in a lower surface of the oil pump housing, and a rotation shaft oil support hole extending from the lower end of the rotation shaft to the upper portion of the rotation shaft is formed in the rotation shaft, characterized in that a sliding bearing is placed between the auxiliary bearing and the rotation shaft, and that the lower end of the rotation shaft is provided with an oil groove formed by notching the rotation shaft in its axial direction, and a lateral hole through which the rotation shaft oil support hole and the oil groove are in communication with each other, wherein a plate-side oil passage which is intermittently brought into communication with the oil groove is formed in the thrust-receiving plate, wherein a housing-side oil passage which is in communication with the plate-side oil passage is formed in the oil pump housing, wherein at a location higher than the oil groove, the lubricant oil supplied from the lateral hole moves downward in the oil groove by bringing an upper portion of the sliding bearing and the rotation shaft into abutment against each other, and wherein the lubricant oil in the oil groove is discharged below the auxiliary bearing through the plate-side oil passage and the housing-side oil passage. an oil storage section for storing lubricant oil is formed in a bottom of the hermetic container, the hermetic compressor including: a main bearing for supporting an upper portion of the rotation shaft, an auxiliary bearing for supporting a lower end of the rotation shaft, a thrust-receiving plate placed below the auxiliary bearing and receiving a thrust force of the rotation shaft, an oil pump housing placed below the thrust-receiving plate, a displacement oil pump stored in a lower surface of the oil pump housing, and a rotation shaft oil support hole extending from the lower end of the rotation shaft to the upper portion of the rotation shaft is formed in the rotation shaft, a main bearing for supporting an upper portion of the rotation shaft, an auxiliary bearing for supporting a lower end of the rotation shaft, a thrust-receiving plate placed below the auxiliary bearing and receiving a thrust force of the rotation shaft, an oil pump housing placed below the thrust-receiving plate, a displacement oil pump stored in a lower surface of the oil pump housing, and a rotation shaft oil support hole extending from the lower end of the rotation shaft to the upper portion of the rotation shaft is formed in the rotation shaft, characterized in that a sliding bearing is placed between the auxiliary bearing and the rotation shaft, and that the lower end of the rotation shaft is provided with an oil groove formed by notching the rotation shaft in its axial direction, and a lateral hole through which the rotation shaft oil support hole and the oil groove are in communication with each other, wherein a plate-side oil passage which is intermittently brought into communication with the oil groove is formed in the thrust-receiving plate, wherein a housing-side oil passage which is in communication with the plate-side oil passage is formed in the oil pump housing, wherein at a location higher than the oil groove, the lubricant oil supplied from the lateral hole moves downward in the oil groove by bringing an upper portion of the sliding bearing and the rotation shaft into abutment against each other, and wherein the lubricant oil in the oil groove is discharged below the auxiliary bearing through the plate-side oil passage and the housing-side oil passage.