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Optimal Design                 Smooth motion by use of retaining                                                                                          45˚
                                     pieces                                                                                                                     45˚
NSK executed a comprehensive,
detailed performance simulation                                           Balanced four-directional iso-load
of roller guides by integrating its                                       specifications
analysis technology and the
tribology technology that the
company had been developing
over many years.
Down to the dimensions and
shapes of component details,
we have attained an optimal
design completely.

                                     Example of roller slide deformation  Analysis example of
                                     analysis                             contact pressure
                                                                          distribution of rollers

                                       Random-matching Type

                                                RA25, 30, 35, 45, 55, 65

                                          Random matching of rails
                                                  and roller slides

                                     Accuracy compatibility

                                     The roller guides of random-matching type
                                     comply with the assembly specification of the
                                     precision grade of P6.

                                     Random matching with preload

                                     The random combinations of roller slide and
                                     rail provide the constant rigidity with an
                                     adequate preload. (Preload code: ZZ)

                                     Random matching

                                     The rails and roller slides can be selected in
                                     single unit quantities.

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