Anti-oil-leakage lubricating mechanism applied to bearing

The utility model discloses an anti-oil-leakage lubricating mechanism applied to a bearing. The anti-oil-leakage lubricating mechanism applied to the bearing can lubricate the bearing efficiently, and related components of a bearing machine do not need to be detached regularly in the lubricating process. The anti-oil-leakage lubricating mechanism applied to the bearing comprises an outer bearing seat and an inner bearing seat embedded into the outer bearing seat, wherein an O-shaped ring is arranged at the interval between the outer bearing seat and the inner bearing seat, the bearing is assembled in the inner bearing seat, engine oil used for lubricating the bearing is injected into the inner bearing seat, an oil-blocking disc used for preventing the engine oil inside the inner bearing seat from leaking is installed at the end of the inner bearing seat, the end of the inner bearing seat is sealed through a dustproof cover, the dustproof cover is provided with an inside ring groove and a concave port in the o