LME25UUAJ Linear Ball Bushing Works with 25mm Shafts 25x 40x 58 mm LME25UUAJ adjustable Linear Motion Ball Bushing works with 25mm shafts, this is an adjustable sealed linear ball bushing, with the inner diameter of 25mm, outer Diameter of 40mm, and a length of 58mm, the LME25UUAJ can be used in many CNC router applications like CNC wood router,plasma and any application that requires smooth linear motion and positioning.