BRPMS-20-S is a flange type ball roller with spring plunger function for upward facing applications such as conveyance, fixing and locating work, torque limiting, and indexing.Because the body section is press fitted, height can be reduced.These rollers can also be used as a general spring plunger with ball for fixing and locating the workpiece. The smooth rotation of the ball reduces friction between the main ball and the receiving side.