This is a genuine replacement part sourced from the original manufacturer for use with woodworking power tools. The special ball bearing is commonly used to reduce friction between a rotating shaft and a fixed part assembly. This ball bearing is available as an individual replacement part, please see model diagram for associative parts.
This is an authentic Jet replacement part that is sourced from the original manufacturer for use with drill presses. The metal rod connects to the hub and is used to rotate the worm gear to raise and lower the spindle assembly. This item is sold individually, please note three may be required and the knob is available separately.