S 15 X 30 X 4.

Gamma rings are used as rotary seals to exclude contamination, oil, dust, moisture, and grease. Gamma seals consist of an elastomer sealing lip contained in a metal carrier.

Gamma seals possess 3 functions: Clearance seal, Centrifugal seal, and Deflector ring. They can also be used in combination with a supplementary radial rotary shaft seal.

Application in axles, electrical motors, gear boxes and tool machines, agricultural machinery, heavy duty vehicles and pumps.