I'm looking for the following part; Part number 73133068 95 c for a motorized grader Fiat Allis.FG95 serial number 17U00101 This is some additional.info.i found in the part book I'm not quite sure on the one which is most relevant to you:FIAT Allis FG95 MOTOR Grader Model number 45M172 Serial no530700046
If it is a roller chain there should be a size on the side of the links like 140-or 160 then just go to a bearing place and order it