Internal / Rod Seal Rod seals are radial seals. The seal is press-fit into a housing bore with the sealing lip contacting the shaft. Also referred to as a shaft seal. External / Piston Seal Piston ...

Rotary motion is the movement of the shaft relative to its housing or stationary component and reciprocating movement is linear motion of a rod or piston in a cylinder. Oil and Grease Seals - Oil and ...