... machinery, printing machinery, textile machinery, machine tools, automobiles and many other mechanical industries.CategoryThere are various kinds of linear ... motion, low friction, high rigidity and long life. It is quite easy to maintain and replace these products. The latter category ... miniature (3, 5, 7, 9, 12, and 15mm) and standard (15, 20, 25, and 30mm)2. Multiple precision options: normal (N), ...