S 20X30X4.5 TC NBR
seal.
20X30X4.5
Catalog #1: https://ecatalog.fst.com/seals/all/radial-shaft-seals/was/67074062/dichtomatik-rotary-shaft-seal-with-spring-was---rubber-encased-outer-surface-protective-lip-70-nbr-nb704604-black-20-x-30-x-45-mm/?categorypage=51