Assembly for connecting two components, in particular flange connection

摘要

The arrangement has a counter flange, and a vacuum pump (1) that includes a bell rotor (12) and a pump flange (4). The pump flange is arranged at a housing (6) of the vacuum pump. A fastening unit fastens the pump flange to the counter flange in a detachable manner, and a rotary body cooperates with the fastening unit, where the counter flange is designed as a chamber flange (2). The rotary body includes a roller that is horizontally arranged in a flange plane, and the pump flange includes a collar that is extended to the counter flange.