(under the class definition) Sealing means comprising a seal circular in plan view but may be of any geometric shape in a view of a vertical plane cutting across the seal at right
angles to one of its principal horizontal dimensions.
SEE OR SEARCH THIS CLASS, SUBCLASS:
382, for a relatively rotatable, radially extending, sealing face member (e.g., face, mechanical, etc.) using an O-ring shaped axial biasing spring made of elastomeric material.
SEE OR SEARCH CLASS
384, Bearings, for more than nominal bearing structure or detail (e.g., liner, bearing race, cage, etc.) combined with a specific seal,
152, for a plain radial bearing where the seal is in the shape of an O-ring on the outer area of the bearing or shaft and made out of a resilient material or subclass 489 for a radial antifriction bearing where the seal is a resilient O-ring seal.