... designing and inspection team.7. Bearing, bearing housing and sealing: The bearing quality determines the life of a ... boring equipment process the pipe , ensure the bearing house concentric . Shaft Flat Milling:The import ... TKII, DTII . All the sealing use double labyrinth nylon sealing. The bearing use SKF, NSK, HRC, LYC,ZWZ ... cleaning idler roller,comb roller,ball bearing rubber idler roller