Sealing assembly for a cup bearing of a universal joint

A cup bearing for a universal joint, comprising:

• a cup including an end surface and a perimeter wall, the perimeter wall including an inner surface, an outer surface, and a rim surface;
• a bearing element positioned in the cup;
• and
• a sealing assembly, comprising:
• a seal sub-assembly configured to be positioned in a space between the cup and a trunnion of the universal joint, the seal sub-assembly including:
• an elastic sealing member configured to contact an outer surface of the trunnion;
• and
• a seal insert attached to the elastic sealing member and including a first axially-extending portion in contact with the inner surface of the cup and an extension portion in contact with and extending away from the rim surface of the cup;
• and
• an external shield including an inner portion and an outer portion, the inner portion configured to contact the outer surface of the trunnion, and the outer portion being attached to the extension portion of the seal insert.