SW32GUU NB 2 inch Seals Ball Bushings Linear MotionSW32GUU Seals on both sides NB Nippon Bearing Linear Systems Made in Japan SW32GUU 2" Bore linear motion ball bushings bearings, SW32GUU is Seals on both sides, inner diameter(bore) is 2" inch dimensions with resin retainer, Bearing is a high accuracy grade linear bushings, series mainly used in the USA, NB brand (Nippon Bearing Linear Systems), made in Japan. Item: SW32GUU Linear Motion Ball Bushings Type: NB Systems Ball Bushings Linear Motion Shaft