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MOTION DESIGN GUIDE

LINEAR BEARINGS

LINEAR BUSHINGS • ROUND SHAFT • BALL SPLINES

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LINEAR BEARINGS

In this guide you will find:

Linear bushings are a type of linear bearing based on round or modified round shaft upon which an engineered cylindrical bushing (studded on its inner diameter with rollers) rides. A related technology — that of ball splines — are a type of linear bearing based on round shaft having precision-machined grooves down its axial length. Riding upon this is a sleeve-shaped cylindrical nut with geometry compatible with the shaft’s geometry.


In this Design Guide, the editors of Design World detail the most common linear bushing and ball spline types for motion control — as well best practices for sizing, selection, and installation.

Deeper dive on the differences between linear bushings and ball splines


More on linear-bushing installations and self-aligning variations


How to choose between round shaft or profiled rail


How to make sure you get the right linear bushing interchange


The many facets of linear bushing life and more...

LISA EITEL

Executive Editor

DANIELLE COLLINS

Senior Editor

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