Ball Stem Retainer Flex Kits

These kits include a fine pitch threaded shaft with integral spherical end (ball stem), a flexure assembly (spring and load disc), a retainer plate and two threaded screws. Like the ball stem retainer kits, the spherical end of the ball stem allows for a swiveling interface when applying a load to the coupled air bearing. However, in addition to this, a flexure assembly allows for better adjustability of the preload to the air bearing. It also permits greater tolerance of parallelism when opposing bearings are configured to ride on two planes. The included retainer plate captures the entire ball stem / flexure assembly without distorting the air bearing surface.

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