Associated engineers manufactures and reconditions spindles. Features of the spindles from associated engineers: extra precision belt driven/high frequency spindles for any application; fitted with imported matched pair bearings, precisely preloaded; meeting to international standards with performance money back guarantee; reconditioning of imported spindles; maximum speed 90,000 rpm; grease/oil-mist lubrication; and spindles with ceramic ball bearings. Manufacturing specifications of the spindles: these spindles are designed by using state-of-the-art technologies, solid model designing american software unigraphics on sgi workstation indy and 02, as import substitution. These spindles come with performance guarantee. They are manufactured on the best facilities like german make wmw optical profile grinder, cylindrical grinder, surface grinder and scheneck avery balancing machine.