Oil Seal Standards And Dimensions

German DIN standards are generally divided into structural forms such as A, AS, B, BS, C, CS, etc. Among them, Type A is a regular outer glue single lip opening, Type B is an outer skeleton single lip opening, and Type C is an outer skeleton double skeleton (box type) single lip opening; The S in AS, BS, and CS generally represents the dustproof lip, which is the corresponding double lip (with dustproof lip) structural form.