Linear Bearing 1:LM, LME, LMB ,LM...L...UU series 2:High quanlity 3:Long life 4:standard: ISO9000-2001 Linear Ball Bearing 1: Used for ... multi-axis machine tools, punch 2: About linear bearing: Linear bearing is a low-cost production of linear motion systems, for unlimited travel in conjunction ... the ball and the shaft was connected 3: LM series bearing series LM...UU, LME...UU, LMB...UU, LM...L...UU ...