The ornamental design for the peristaltic pump rotor, as shown and described.
FIG. 1 is a perspective view of a first embodiment of the peristaltic pump rotor showing the new design;
FIG. 2 is a front elevational view of the embodiment of FIG. 1;
FIG. 3 is a rear elevational view of the embodiment of FIG. 1;
FIG. 4 is a side elevational view of a first side of the embodiment of FIG. 1;
FIG. 5 is a side elevational view of one corner of the embodiment of FIG. 1, with the remaining two corners being identical;
FIG. 6 is a side elevational view of a second side of the embodiment of FIG. 1; and,
FIG. 7 is a side elevational view of a third side of the embodiment of FIG. 1.
The broken lines in FIGS. 4 and 6-7 are included for the purpose of illustrating portions of the peristaltic pump rotor that form no part of the claimed design.