... Several material f or Oil Seal, Rubber Oil Seal, Rubber Seal, O-Ring and Rubber Gasket like: NBR, HNBR, CR ... type. 4. Different sizes of Oil Seal,Rubber Oil Seal,Rubber Seal, also can make on your size ... Optional color for you of the Oil Seal,Rubber Oil Seal,Rubber Seal,Rubber Gasket, O-Ring : Black, red, yellow ... of these environment calls for the Rubber Oil Seal. Most oil seals work with 20~50,but some ...