The axle oil seal main function is to prevent the grease in the axle from being exposed through sealing, and play the role of dust-proof. Aging oil seals need to be replaced in time, and good quality and suitable shaft oil seals should be selected. The shaft oil seal is usually made of elastic rubber or similar material and has an annular sealing structure
When the wheel rotates, the rubber seal lip of the axle oil seal forms a dynamic seal with the axle surface to prevent oil leakage. At the same time, the oil seal is coated with lubricating oil to maintain the softness of the rubber and reduce the friction between the shaft
