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R.P. Gatta Cam Follower Slides

Bearing contamination causes bearing failures. The R.P. Gatta HD Slide’s design inherently separates contaminants that will collect on the rail in manufacturing environments from the roller’s bearing needles because the outer race of the sealed needle bearing roller is what engages the rail. On profile rail and shaft type anti-friction slides, the bearing balls engage directly with the profile rail and shafting. When contaminants get past the seals, the bearings are corrupted. 

Because R.P. Gatta's HD Slides do not require precision mounting surfaces, milling of mounting surfaces are not required. The elimination of machining not only significantly saves money, but provides design flexibility, particularly on large welded frames.

From a heavy manufacturing environment’s practical perspective, the mounting holes provided in the profile rail and linear shaft slides are too small. The smallest size mounting hole you will find in an HD Slide is for a 1/4” diameter bolt.

When removing the HD Slide saddle from the rail, all components remain attached. With a profile type slide, if you remove the saddle, the bearing balls will release from the saddle bearing and are easily lost. When these balls are not replaced when the saddle is reassembled to the rail, the bearing life is significantly reduced.

HD Slides components are available in a number of different materials to meet your equipment requirements. The slide saddles are available in both steel and high strength aluminum. The rails are available in hardened and ground steel for high duty cycle applications or cold rolled steel standard bar stock for low duty cycle and lower budget applications. Moreover, Stainless Steel HD Slide Assemblies are available when corrosion resistant machine components are specified.

R.P. Gatta HD Slides are sold through Bearing Distributors Inc. (BDI) in the U.S. and Canada. They come in English and metric sizing. For more information, call (800) 676-4765, visit, or click here to view PDF.