Investigation of wear, groove shape and load capacity of PPS-PTFE hybrid radial ball bearingsHitonobu KOIKE, Katsuyuki KIDA, Toshihiko MATSUMURA, Koshiro MIZOBE and Yuji KASHIMAMATEC Web Conf., 130 (2017) 09002DOI: https://doi.org/10.1051/matecconf/201713009002