Disk brake having a brake application system with a rotary lever

Disk brake for commercial vehicles, comprising:

• a) a caliper reaching over a brake disk;
• b) a brake application device arranged in the caliper on one side of the brake disk, the brake application device applying a brake pad in the direction of the brake disk;
• c) at least one wear adjusting system arranged in the caliper for compensating brake pad and/or brake disk wear by adjusting a distance between the brake pad and the brake disk;
• d) wherein the adjusting system has an adjuster device;
• e) wherein the brake application device has at least one rotary lever operable by a rod;
• f) wherein at one end, the rotary lever has a first recess for receiving an end of the rod and, at the other end area facing away from the first recess, the rotary lever has additional recesses on two of its exterior sides;
• and
• g) wherein at least one of essentially cup-type bearing shells and essentially spherical bearing elements or ball bearings are insertable into the additional recesses for bearing the rotary lever, by which the rotary lever is disposed on the caliper and on at least one thrust piece for displacing the brake pad in the direction of the brake disk.