Patent ID: 8807295

Claim:
A brake caliper of a disk brake, comprising a housing having a bore hole, in which an axially displaceable piston is arranged, and a shaft for actuation, which is supported so that it is rotatable and axially displaceable in the housing, and with one shaft end passes through a housing aperture, comprising two contra-rotating ramp elements for converting a rotational movement of the shaft into an axial displacement of the piston, one ramp element being rotationally fixed to the housing and one ramp element being rotationally fixed to the shaft, and an adjusting device having a spindle, an axial bearing being provided between the spindle and the shaft, wherein the axial bearing is integrally formed from a homogeneous material matrix wherein at least one end face of the axial bearing comprises multiple grooves radiating radially outwards from a center; and wherein the grooves have a cross section widening radially outwards.