According to the size of the roller bearing capacity, the structure of the drum has two kinds of steel plate welded structure, the structure of the cast joint. Aluminothermic welding roller shell and the flange by finite element method is used for strength checking. Roller bearing with integral, split two broad categories, each category can be fixed with ordinary spherical roller (column) bearing and belt set of spherical roller bearings (column). The manufacturer of the bearing can be for domestic ha, tile, such as bearing factory, can also be used for foreign SKF, FAG and other manufacturers. Selected by the owner.
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