Linear guide rail is a common type of guide rail, but what is the connection or difference between cylindrical guide rail and linear guide rail?

Firstly, some cylindrical guides belong to linear guides, which are actually abbreviated as cylindrical linear guides, namely roller linear guides.

Secondly, the difference between cylindrical guide rails and ball linear guide rails lies in the difference in their rolling components, which are replaced by cylindrical ones instead of steel balls.

There are other non-linear cylindrical guides, such as V-shaped cylindrical guides, cylindrical rack guides, and linear guides. They may use linear bearings, slide rails, rod end bearings, and screw support seats.

In short, linear guides are currently a common type of guide rail, so when people talk about cylindrical guides, they actually refer to cylindrical linear guides, and there are many names for them, such as cylindrical roller guides, cylindrical roller guides, and so on.