Description
SWK20 NB:Made in Japan:NB Linear Systems Square Flange Type Nippon Bearing Linear Systems |
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SWK20 NB 1 1/4" Bore linear motion ball bushings/bearings, the inner diameter(bore) is 1 1/4" 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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