Basic Dynamic Load Range: 16 kN - 36.8 kN The QW series linear guideway with SynchMotion� Technology possesses all the advantages of the WE series, which features high moment rigidity and is suitable for single rail or space saving applications. With the SynchMotion� technology it also provides quieter and smoother movement, superior lubrication, and longer service life. The QW series is interchangeable with the WE series.