To choose a hydraulic cylinder, start with the force the application needs and the pressure your system can supply, which together determine the bore size. Then match the stroke length, rod diameter, cylinder type, mounting style, seal package, and operating environment to the job. Getting these decisions right at the specification stage prevents undersized actuators, buckled rods, premature seal failure, and costly downtime. A hydraulic cylinder converts fluid power into linear force and is often the most heavily loaded component in a machine. Choosing by bore and stroke alone is why many cylinders fail early. This guide walks through the selection process step by step.
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