S 13 X 25 X 7 TC4

Reciprocating Oil Seal

NOK TC4

Features:

Severe reciprocating shaft applications can be effectively sealed by the "T4" design.
Pressure up to 100 psi (7 kg/cm2) can be sealed, such as in shock absorbers. 
Special design for motorcycle and bicycle shock absorbers. 
Secondary lip with circle-shape lip design could reduce friction and prevent lip distortion to facilitate the reciprocating movements.