Description
SWF8GUU NB:Made in Japan:NB Linear Systems Round Flange Type Nippon Bearing Linear Systems SWF8GUU NB 1/2" Bore linear motion ball bushings/bearings, bearing has seals on both sides, the inner diameter(bore) is 1/2" 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.