... at the most prompt time. We always after relative technical support, quick response. All your inquiry will be replied within 24 ... , Including TK , TKII, DTII . All the sealing use double labyrinth nylon sealing. The bearing use SKF, NSK, HRC, LYC,ZWZ brand ... 5 mm219150-3500308 310more than 5 mm Supply high quality belt conveyor roller frame, roller support, roller bracket with hot galvanized in ...