Radial shaft seal, radial shaft seal assembly and method of installation

A radial shaft seal assembly, said radial shaft seal assembly including a radial shaft seal configured for receipt in a housing to sealingly isolate an air side of said radial shaft seal from an oil side of said radial shaft seal in combination with a shaft extending along a central axis and providing a running surface having a predetermined diameter, said radial shaft seal comprising:

• an annular mounting portion;
• a seal lip having an annular sealing surface extending between an oil side end and a free air side end, said sealing surface being configured to extend axially along said running surface of said shaft;
• an annular bridge connected to said oil side end of said seal lip and operably to said mounting portion, said bridge extending in radially overlying relation with said seal lip;
• and
• an installation lip extending axially from said free air side end of said seal lip toward said air side of said shaft seal, said installation lip having an inner surface spaced radially outwardly from said sealing surface and an outer most surface.