THK linear bearing LB100150175: 1.High quality,competitive price 2.Cage:Steel,Brass 3. ... Seals Type: CLOSED,Z,ZZ,RS,2RS THK linear bearing LB100150175: Linear motion sereis:LME...UU,LM...UU, LM...LUU, LME ... and KOYO bearings and German INA Bearing THK linear bearing LB100150175