| NB Systems SWF8 1/2" inch Ball Bushings Round Flange Linear Motion |
| SWF8:Made in Japan:NB Linear Systems Round Flange Type Nippon Bearing Linear Systems |
| SWF8 0.5" Bore linear motion ball bushings/bearings, the inner diameter(bore) is 0.5" inch dimensions with steel retainer, bearing is a high accuracy grade linear bushings, series mainly used in the USA, NB brand (Nippon Bearing Linear Systems), made in Japan.
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