The anti-rust work of the bearing plays a vital role in the life of the special bearing for the main shaft. Generally, the anti-rust work starts in the process of producing the bearing, that is, applying anti-rust oil to the bearing. What are the methods of applying anti-rust oil? Woolen cloth? The following is a summary of some points: (1) Immersion method; some small bearings are immersed in anti-rust grease, so that a layer of anti-rust grease is adhered to the surface. Oil film thickness can be achieved by manipulating the heat or viscosity of the anti-rust grease. (2) Painting method; for large bearings that are not suitable for soaking or painting, not only should pay attention not to cause deposition when painting, but also to avoid missing paint. (3) Sprayer method; some large bearings cannot be oiled by immersion method. Generally, spray painting is carried out in indoor air cleaning areas with filtered air compression with a working pressure of about 0.7Mpa. The sprayer method can use organic solvent diluent type antirust oil or chromatography antirust oil, but be sure to use sound flame retardant and labor protection measures. The torque is accurate, and the rotation can be stable. For 37 years, we have been focusing on the production, research and development, and sales of special bearings for spindles such as machine tools, grinders, and electric spindles, and provide matching solutions!