Linear guide for roller bearings

Abstract

A guide member for a linear movement guide, which guide member is arranged on and can execute movements in longitudinal direction along a rail ( ). Guide members ( ) of this type are provided with at least one roll body circuit ( ), wherein each roll body circuit comprises a return channel, a bearing zone ( ), as well as two deflection channels ( ) that connect the return channel ( ) and the bearing zone ( ). Each roll body circuit contains several roll bodies ( ), wherein guide means are provided for guiding the roll bodies inside the roll body circuit. A roll body circuit of this type is intended to dispense with the feeding of lubricants. For this, the invention suggests that at least some of the guide means, at least in the region of the running surfaces for the roll bodies, be provided with a plastic material having at least two components. The first component is embedded in the form of particles in the second component. The first component has a lower friction coefficient than the second component, relative to a metal or ceramic friction partner, and the respective guide means are created by spraying on the plastic material with the aid of an injection-molding technique, at least in the region of the running surfaces.