Guide rail in a linear guide device

摘要

In a guide rail of a linear guide device, the distance A between the bottom of the counter bore of each of the bolt holes formed in the guide rail to mount the latter with mounting bolts and the bottom surface of the guide rail is smaller than the minimum distance B between the bottom surface of the guide rail and the end of the load rolling groove surface of the load ball rolling groove 3b which is closest to the bottom surface of the guide rail among the load ball rolling grooves, the end being closer to the bottom surface of the guide rail.