Introdution:

Smooth, hard, and wear resistant, linear motion shafts work with linear bearings to reduce friction in manual and automated systems, such as those found in packing, machine tool, and material handling operations. The smooth surface reduces friction and wear on the bearing—the lower the microinch value a shaft has, the smoother its finish and the less friction it will create. All are turned, ground, and polished to tight diameter and straightness tolerances.

Steel shafts are generally stronger than aluminum and stainless steel shafts but not as corrosion resistant. 1055 and 1060 carbon steel shafts balance high strength and good machinability, making them ideal for general purpose use. 1566 carbon steel shafts have a higher yield strength than 1055 and 1060 carbon steel shafts for supporting heavier loads. 52100 alloy steel shafts are good for high-load applications. They are, however, more difficult to machine than carbon steel shafts.

Stainless steel shafts are more corrosion resistant than steel shafts; however, they’re not as hard as steel shafts and can be more difficult to machine. 420 stainless steel and 440C stainless steel shafts have good corrosion resistance. Shafts with chamfered edges have their edges ground to reduce damage to bearings, housings, and other components during installation.

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