Patent ID: 8056428

Claim:
A lubricating unit ( 10 ) for tracks of rolling bodies of a rolling element screw drive with a nut element guided along a linear guide element ( 52 ) by rolling bodies including a lubricating element ( 12 ), the lubricating unit is installed on an axial end of the nut element ( 50 ); the lubricating unit ( 10 ) is characterized by a cylindrical lubricating element housing ( 14 ), in which an annular receiving space ( 16 ) for the lubricating element ( 12 ) is formed; an inner wall ( 26 ) of the cylindrical lubricating element housing ( 14 ) encloses the linear guide element ( 52 ), wherein the linear guide element is a spindle of the rolling element screw drive; and the lubricating element ( 12 ) includes a body composed of a lubricant-storing material, which includes an application section ( 34 ) capable of being brought in contact with the rolling element bearing surface ( 58 ) to supply lubricant, and which includes a storage region ( 22 ) for lubricant that abuts the application section ( 34 ), wherein the body is provided with at least one recess ( 38 ) in the storage region ( 22 ), an opening ( 40 ) is formed in the inner wall of the cylindrical lubricating element housing ( 14 ), through which an application section ( 34 ) of the cylindrical lubricating element ( 12 ) is guided in order to contact a rolling element bearing surface ( 58 ).