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> Nb linear systems:SW64-op 4" inch ball bushings open
Nb linear systems:SW64-op 4" inch ball bushings open
SW64-OP:Made in Japan:NB Linear Systems
SW64-OP 4.000" Bore linear motion ball bushings/bearings, inner diameter(bore)= 4.000" (4.000") inch dimensions with steel retainer, high accurace grade linear bushings, series mainly used in the USA, NB brand (Nippon Bearing Linear Systems), made in Japan.
