To provide a slinger for machinery capable of preventing the leaking of lubricating oil along a structural body such as a vertical member constituting the machinery, and being arranged for easy mounting.

To prevent the leakage of lubricating oil used in machinery, the slinger 13 is constructed of a magnet 13B attracting the surface of a vertical or horizontal member constituting the machinery 1, and a flexible member 13A wound onto the surface of the vertical or horizontal member. The slinger 13 is removably mounted on the surface of the vertical or horizontal member.