Sealing ring comprises a radial sealing lip (2) with a lip section (6) including an acute angle in the direction of the chamber to be sealed against the assembly direction (15) of a machine element (14). An independent claim is also included for a sealing arrangement comprising the above sealing ring. Preferred Features: The fixing region (1) and the connecting bar (3) of the sealing ring are connected together by a hinged transition region (9).
