The utility model provides a bearing support, its constitution includes: main shaft, two supports a set of steel pipe of main shaft both ends welding the steel pipe port is equipped with the internal thread, in the port of the bolt screw in steel pipe of corresponding specification, at every two roller assembly of support upper portion installation, the main shaft is settled two roller assembly on. The beneficial effects are that: this device simple structure, it is simple swift in when installation, only need to utilize the bolt fastening, then when using the iron sheet, can accomplish the back in the construction like using sanitary scroll to take on emboliaing the main shaft in the iron sheet, dismantle and also compare easily.