igus Plain bearing 631444 - igus JFM-0608-06, The igus JFM-0608-06 is a plain bearing with a bore diameter of 6 mm. Known for its durability and low friction, this bearing is ideal for applications requiring smooth rotational or linear motion. It is commonly used in machinery and industrial equipment. igus JFM-0608-06 Plain Bearing 6mm Bore, Low Friction, Wear Resistant