HERMETIC COMPRESSOR, AND REFRIGERATING AIR-CONDITIONING SYSTEM USING THE SAME

PROBLEM TO BE SOLVED: To provide a hermetic compressor and a refrigerating air-conditioning system using the same, for making both compatible in improving efficiency and securing reliability even in a low rotating speed.SOLUTION: This hermetic compressor includes: a rolling bearing 13 constituted of an outer ring 13a, an inner ring 13b, and a rolling element 13c arranged between the outer ring 13a and the inner ring 13b, and journaling a crankshaft 8; and a cover plate 15 in a position for blocking up a lower end surface opening part of the rolling bearing 13c. The cover plate 15 is provided with oil feeding passages 15a capable of supplying lubricating oil 4 to sliding surfaces between the outer ring 13a and the rolling element 13c and between the inner ring 13b and the rolling element 13c, and the lubricating oil 4 is supplied to the sliding surfaces via the oil feeding passages 15a.