Bearing heater work under high pressure and high temperature condition, and the structure is compact, making certain technical requirements, especially the U shaped tube plate bearing, requires some expertise. Bearing manufacturing should be in line with JD3343 - 83 "bearing heater manufacturing technology conditions". Bearing belongs to the pressure vessel, the manufacture shall also comply with the 1990 "pressure vessel safety technology" and GDl50 89 series of standards and specifications. You should pay attention to the main pressure elements, the main element refers to the compression cylinder and short head (cover), tube plate, heat transfer tube, opening reinforcement plate, flange, M36 above the main bolt, Kong Gai, manhole flange, manhole nozzle and the nozzle diameter is more than 250m.

Bearing of parts and components and containers or similar to the boiler, the general manufacturing process can refer to the boiler manufacturing process or container manufacturing books or information.