Patent ID: 7856906

Claim:
A gear assembly, comprising: a gearbox housing having a bore therein; a plurality of rotating gear members mounted within the gearbox housing; at least one bushing disposed within the bore and supporting the plurality of rotating gear members; a wear component matingly received within the bore proximate the at least one bushing, the wear component comprising a ring-shaped structure disposed around the plurality of rotating gear members to prevent wear between the plurality of rotating gear members and the inner surface of the gearbox housing defining the bore, the wear component slidably disposed within the bore such that the wear component is retained in a desired position when the gear assembly is assembled and is freely removable from the bore when the gear assembly is disassembled to facilitate replacement of the wear component; and an inlet port formed through a first sidewall of the ring-shaped structure; and an outlet port formed through a second sidewall of the ring-shaped structure and cooperating with the inlet port to define a flow passage extending traversely through the wear component.