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Round rail bearings are a re-circulating type linear bearing system consisting of two large diameter ground steel rods on which ball bushings ride.  These bushings, have several rows of recirculating
ball bearings, which support the moving carriage and permit very long travel lengths. The ball bushings provide good load capacity with very low friction and its modular design permits easy replacement of bearing
components. A rolled ball-screw is normally employed as the drive mechanism. With characteristics of low friction, high-speed, long travel and low cost, this drive
is well suited for tables utilizing a dual round rail bearing system. These tables are ideal for assembly and automation applications where higher speed, long life and easy, low cost maintenance is important. |
