... 3).Long Usage Spans Japan NSK THK IKO linear bearing LM38NSK THK IKO Linear motion sereis:LME...UU,LM...UU, LM...LUU ... accessories must the linear guide rail, linear bearing steel, maintains a linear bearing, stainless steel straight reel, linear optical axis, hollow ... in brand has South Korea SAMICK linear bearing, Taiwan KBS linear bearing, Taiwan ABBA linear guide the ball screw the slider, ...