The roller bracket assembly facilitates the replacement of roller brackets and includes a swivelable roller bracket, base, pin, housing, roller, stopper, and fasteners. The base's lower end is connected to the housing's upper end with fasteners, while the base is connected to the swivelable roller bracket with a pin. Rollers are mounted on the swivelable roller bracket. On the swivelable roller bracket, there are slots for the pin to rotate, with the roller installed in these slots. A stopper is set up to control the swivel angle. A pin is provided on the base or housing for the swivelable roller bracket to rotate around, allowing the bracket to swivel around a horizontally fixed pin when the fasteners are removed. Slot-type brackets are a type of roller bracket. Advanced production techniques ensure product quality.