At BSC we stock popular metric and Imperial Oil Seals.
There are thousands of different sizes and styles of rotary shaft seals ranging from 6mm to 1500mm. The standard styles are single lipped metal case or rubber covered, semi-dual (one sprung one unsprung lip) metal case or rubber covered, or double sprung seals again metal or rubber covered. The normal materials used are carbon steel shells and Nitrile sealing elements but it is also possible to have Stainless Steel shells and garter springs with sealing elements of Viton, Silicone, EPDM, Leather, Felt and PTFE.