The invention belongs to the technical field of bearing manufacturing, and particularly relates to a bearing spraying device. According to the bearing spraying device, the problems that in the prior art, a bearing is often coated by spraying manually, and can not be cleaned effectively before spraying; in the spraying process, the bearing can not be coated by spraying comprehensively, and the timeand labor are consumed; the spraying effect is not satisfactory, and consequently the working efficiency is low are solved; and in order to solve the above technical problems, the invention providesthe bearing spraying device comprising a shell, a rotary operation panel, a spraying device, a handle, a coating box, a fixing frame and an observation window. The bearing spraying device has the effects of comprehensive cleaning, good spraying effect, time and labor saving, and high working efficiency.