Engine and machine part bearings, in particular hydraulic bearings, spherical bearings, conical bearings, machine bearings, flat bearings, wedge-shaped bearings, round bearings, buffers being parts of machines, instrument bearings, support bearings, spherical roller bearings, framework support bearings, axle guide bearings, hydraulic axle guide bearings, double U-shaped bearings, V-shaped bearings, motor bearings, M-shaped bearings, O-shaped bearings; machine part bushings, in particular hydr...