1, This series roller is installed with O belt pulley at the end of the roller. This pulley is one independent pulley which can make the driving unit and conveying area separately.

2, The other end of this roller is the plastic bearing housing which consists of one precision ball bearing, one housing and one end cap.

3, The plastic end cap prevents the dusts and scraps from going into the bearing and guarantee the longer bearing life.

4, Because of separated O belt pulley and roller face, the shape of the tube doesn’t has no any changing, it can guarantee roller tube concentricity as well as smooth and quiet running.