1. Product Overview The SA20T/K Rod End Bearing is a maintenance-free spherical plain bearing designed to accommodate radial loads and angular misalignment in mechanical linkage systems. It features a steel/PTFE composite sliding contact surface, providing low friction, excellent wear resistance, and smooth operation without regular lubrication. The zinc-plated steel rod body offers good corrosion protection and mechanical strength. With a 20 mm bore and M20×1.5 male thread,