... .2) Series: linear bush series, slide unit series, shaft support series and ball screws3) Types: LM, LME, KH, LMF, LMK, LMH, etc ... contact spherical plain bearings, spherical plain thrust bearings, rod ends, ball joint rod ends.Series as follows: LM...UU: LM...(sylinder ... : www.xmecbearings.comTEL:0086-29-88316863FAX:0086-29-88327812 Linear ball bearings