A rubber support member for a compressor for elastically supporting a compressor body on a base, comprising: a body portion, an upper contact portion that is located on an upper end of the body portion and that is contactable to a bottom part of the compressor body from below, and a lower contact portion that is located on a lower end of the body portion and that is contactable to a top part of the base from above, wherein either or both of the upper contact portion and the lower contact portion have a first protrusion (31, 41) having a first height from a top or bottom surface (21, 22) of the body portion, and a second protrusion (32, 42) having a second height from the top or bottom surface (21, 22) of the body portion, the second height being smaller than the first height, the rubber support member further comprising: a neck portion that extends upward from a central part of the body portion and that is extendable through the bottom part of the compressor body, wherein the body portion and the neck portion have in their central part a central hole through which a fixing rod can be passed, wherein a plurality of the first protrusions (31, 41) and a plurality of the second protrusions (32, 42) are provided, and the first protrusions (31, 41) and the second protrusions (32, 42) are alternately arranged about a central axis of the body portion, wherein the first protrusions (31, 41) have a substantially elliptical cross section and the second protrusions (32, 42) have a substantially fan-shaped cross section. a body portion, an upper contact portion that is located on an upper end of the body portion and that is contactable to a bottom part of the compressor body from below, and a lower contact portion that is located on a lower end of the body portion and that is contactable to a top part of the base from above, wherein either or both of the upper contact portion and the lower contact portion have a first protrusion (31, 41) having a first height from a top or bottom surface (21, 22) of the body portion, and a second protrusion (32, 42) having a second height from the top or bottom surface (21, 22) of the body portion, the second height being smaller than the first height, the rubber support member further comprising: a neck portion that extends upward from a central part of the body portion and that is extendable through the bottom part of the compressor body, wherein the body portion and the neck portion have in their central part a central hole through which a fixing rod can be passed, wherein a plurality of the first protrusions (31, 41) and a plurality of the second protrusions (32, 42) are provided, and the first protrusions (31, 41) and the second protrusions (32, 42) are alternately arranged about a central axis of the body portion, wherein the first protrusions (31, 41) have a substantially elliptical cross section and the second protrusions (32, 42) have a substantially fan-shaped cross section. a neck portion that extends upward from a central part of the body portion and that is extendable through the bottom part of the compressor body, wherein the body portion and the neck portion have in their central part a central hole through which a fixing rod can be passed, wherein a plurality of the first protrusions (31, 41) and a plurality of the second protrusions (32, 42) are provided, and the first protrusions (31, 41) and the second protrusions (32, 42) are alternately arranged about a central axis of the body portion, wherein the first protrusions (31, 41) have a substantially elliptical cross section and the second protrusions (32, 42) have a substantially fan-shaped cross section.