a disc brake caliper for a rail vehicle comprises brake pad holders suspended — at either side of a brake disc to be braked — for movements only in a plane perpendicular to a substantially horizontal center - line of the caliper . members of the caliper for transmitting movements from a brake unit to the brake pad holders are suspended from the vehicle via only elements of rubber - elastic material in an elastic joint allowing movements to a certain extent of said members in all directions . the elastic joint comprises at least one plate - shaped rubber - elastic element , which is substantially horizontally mounted in compression between a part for attachment to the vehicle and one of said members of the caliper .