|
Helix continues to the edge of
sealing
lip to match with other seal
|
Helix does not run to edge and is
poorly formed with thick flash
|
Molded sealing lip flash line is
above and away from sealing lip
|
There is no definitive sealing lip
shaft runs against uneven flash |
| OD of seal is very clean
with no offset between halves
|
OD of seal has very uneven
flash
Pronounced offset between halves
|
|
Special form on end of lip prevent
opening split from crank drag
Metal Insert is spring steel -can't be
deformed. Seal material hardness is
80 IRHD, perfect for oil sealing
|
Seal ends are poorly trimmed and
have incorrect form
Metal Insert is mild steel -easily deformed.
Seal material hardness is 50 IRHD too
soft for oil seal (hardness of CV boots)
|
