X x Y x Z. 9 x 14 x 8.1. SMSF50GWUU Round Flange Double Wide Type Slide Bush Made in Japan:NB Linear Systems Nippon Bearing Linear Systems SMSF50GWUU Round Flange Double Wide Linear Slide Bush, The retainer material is resin, series mainly used in the USA, NB brand (Nippon Bearing Linear Systems), Made in Japan. D X x Y x Z mm tolerance mm tolerance 50 0-12 80 0-22 100 116 13 98 9 x 14 x 8.1 Pack#20270 patch#09/01/2020.