The invention relates to a rotary platform for milking of animal. The rotary parlor comprises a platform (3), a circular rail member (10) connected to a lower surface of the platform (3) and a plurality of rolling members (11) having a wear surface (11′) adapted to be in contact with a wear surface (10b″) of the rail member (10). The rail member (10) comprises a first part (10a, 17, 18a, b) connected to the platform (3), a second part (10b, 18c) comprising said wear surface (10b″) and a connection arranged between said first part (10a, 17, 18a, b) of the rail member and said second part (10b, 18c) of the rail member, which connection is adapted to allow angular movements between the first part (10a, 17, 18a, b) and the second part (10b, 18c) of the rail member (10).