Dataset supporting the publication: Claire L. Brockett, Silvia Carbone, John Fisher, Louise M. Jennings, PEEK and CFR-PEEK as alternative bearing materials to UHMWPE in a fixed bearing total knee replacement: An experimental wear study, Wear, Volumes 374–375, 15 March 2017, Pages 86-91, ISSN 0043-1648, http://dx.doi.org/10.1016/j.wear.2016.12.010. (http://www.sciencedirect.com/science/article/pii/S0043164816307499) Simulator_inputs_knee_highkin.xlsx: Loading and motion input data for running the high kinematic condition in a pneumatic total knee replacement wear simulator Flat PEEK_wear.xlsx: Volumetric wear rates (mean ? 95% CI, n=5) for PEEK fixed bearing knee replacements under high kinematic conditions Flat CFR PEEK_wear.xlsx: Volumetric wear rates (mean ? 95% CI, n=6) for CFR-PEEK fixed bearing knee replacements under high kinematic conditions Figures provided are those available within the publication