This is a listing for a Double Lipped Grease Seal for 2,000lb - 2,200lb Trailer Hubs. This grease seal is also the correct seal for the Dexter 2,200lb Galvanized Trailer Axles that we sell. This grease seal has an outer diameter of 1.983" and an inner diameter of 1.5" The need for this seal is determined by measuring the seal surface on your axles spindle. If you have another grease seal, you are able to measure that one as well.