Disc brake, preferably actuated pneumatically, in particular for a motor vehicle, comprising a brake application mechanism with a brake rotary lever , at least one spindle unit , each of them having a threaded rod screwed into a bridge , a brake calliper , especially a sliding calliper, which preferably covers an edge region of a brake disc in the manner of a frame, wherein the brake calliper comprises a brake application portion and a calliper back , which are connected to each other by tie bars , wherein the brake application mechanism with the brake rotary lever is accommodated on an application face (ZS) of the brake disc in the brake application portion of the brake calliper , wherein the brake application portion of the brake calliper has the following features: a) a first region in which the brake application mechanism and a force transmission portion of the brake rotary lever are located, b) a second region which is designed as a lever housing and accommodates a lever portion of the brake rotary lever , c) wherein between the first region and the second region there is arranged a support wall with a bearing portion , forming a pivot bearing with a brake rotary lever axis running parallel to the brake disc , for the brake rotary lever , wherein d) the brake application portion together with the lever housing has a common top wall , e) the first region of the brake application portion has at least one bottom wall which runs substantially parallel to a portion of the top wall of the brake application portion , characterised in that f) the second region of the brake application portion has a bottom wall , which runs substantially parallel to a further portion of the top wall of the brake application portion , wherein g) the support wall is connected to a slanted support wall , the slanted support wall extending away from the brake disc at an inclination in the direction of a brake disc axis and being connected to the bottom wall of the second region, and h) the slanted support wall forms an angle (α) with the bottom wall whose value is not equal to 0° and is 30°. a) a first region in which the brake application mechanism and a force transmission portion of the brake rotary lever are located, b) a second region which is designed as a lever housing and accommodates a lever portion of the brake rotary lever , c) wherein between the first region and the second region there is arranged a support wall with a bearing portion , forming a pivot bearing with a brake rotary lever axis running parallel to the brake disc , for the brake rotary lever , wherein d) the brake application portion together with the lever housing has a common top wall , e) the first region of the brake application portion has at least one bottom wall which runs substantially parallel to a portion of the top wall of the brake application portion , characterised in that f) the second region of the brake application portion has a bottom wall , which runs substantially parallel to a further portion of the top wall of the brake application portion , wherein g) the support wall is connected to a slanted support wall , the slanted support wall extending away from the brake disc at an inclination in the direction of a brake disc axis and being connected to the bottom wall of the second region, and h) the slanted support wall forms an angle (α) with the bottom wall whose value is not equal to 0° and is 30°. <EOS>