QR Series

QR series linear guideways are classified into non-interchangeable and interchangeable types. The sizes of these two 

types are the same as one another. The main difference is that the interchangeable type of blocks and rails can be 

freely exchanged and they can maintain p-class accuracy. Because of strict dimensional control, the interchangeable 

type linear guideways are a wise choice for customers when rails do not need to be matched for an axis. The model 

number of the QR series identifies the size, type, accuracy class, preload class, etc.