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TC+: a double-lip oil seal with an auxiliary lip

TC+ adds a lightly touching auxiliary lip that supports the main lip and keeps it from tipping.

TC+ is a fully rubber-covered double-lip oil seal in three parts: the rubber body, the metal case and a self-tightening garter spring.

TC+ in section, from the Spedent catalogue.
TC+ in section, from the Spedent catalogue.

Compared with an ordinary double-lip seal, TC+ adds an auxiliary lip with light contact. It supports the main lip, stops it tipping or wobbling and spreads the load more evenly. A right-angle back with a chamfer and bevel makes fitting smoother.