HIWIN HG Series Linear Guideway Dealer Linear guideways offer linear movement by re-circulating rolling factors between a profiled rail and a bearing block. The coefficient of friction on a linear guideway is best 1/50 compared to a traditional slide. With those features, a linear guideway can achieve excessive precision and greatly superior moving accuracy whilst wearing masses in all directions. Hiwin Corporation gives a lot of linear guideway series, every featuring different options for sizes, loading capacity, accuracy, and more.