Standard 3760/3761
: prevents particles from reaching the sealing lip.
Stainless steel sheet
(JIS* SUS304)
What is an Oil Seal?

Rotary Wheel Of Auto Parts
JIS B 2402-1 2) MHS Type 1 HMS Type 2 HMSH Type 3 MH - HM - MHSA Type 4 HMSA Type 5 HMSAH Type 6 MHA - HMA -
Different types of rotary shaft seals are available in the market, including radial lip, axial lip, and mechanical face seals.
Selecting Quality Car Engine Head Gaskets and Automotive Rubber Gaskets
Box: If a BX appears at the end of the part number, that oil seal will be in a box.
Oil seals have a flexible lip that actually rubs against the rotating shaft or housing to prevent leakage. The spring keeps the lip in contact with the shaft. Bearing isolator oil seals are dynamic seals that incorporate a rotor or rotating member and a stator or stationary member. The rotor actually turns with the shaft. Some oil shafts are bearing isolators with a labyrinth construction. Others incorporate simpler O-rings.
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