WH24A Shaft End Supporter Nippon Bearing Linear Systems Made in Japan:NB Linear System
1 1/2" Bore Shaft End Supporter (Inch Series), inner diameter(bore) is 1 1/2" (1.5") inch dimensions with steel retainer, bearing is a high accuracyy grade linear bushings, series mainly used in the USA, NB brand (Nippon Bearing Linear System).
