A pin connection for a machine is provided that comprises a structural member that defines a pin receiving bore, a bearing housing that defines a bearing receiving bore, a self-lubricating bearing that defines a pin receiving bore, and a pin that is disposed in the bores of the bearing and the structural member. The pin connection may further comprise a seal assembly that is disposed in the bearing receiving bore of the bearing housing, the seal assembly comprising a micro-cellular closed cell foam member and a first rigid member.