Seal for bearing shaft
(1) Circlip for hole, also known as inner bearing circlip
(2) Circlip for shaft, also known as external circlip
Shaft seal
Shaft seals can be divided into static seals and dynamic seals:
(1) Static seal:
① O-ring seal (metal copper gasket seal, rubber ring seal)
② Sealant (dry, non dry, semi dry)
③ Rubber gasket seal
（1）
Dynamic seal:
① The lip seal ring (auxiliary lip) of the rotating shaft is wrapped with a skeleton, also known as the skeleton seal
② Reciprocating lip seal ring (Y-shaped seal ring, U-shaped seal ring, combined bearing seal ring)
