CA2024779A1 - Trunnion bearing dust seal - Google …
At least one seal ring engages a shoulder of the trunnion in an area adjacent to the bearing surfaces of the trunnion and the bearing assembly. The seal ring is laterally held loosely in place by at least one retaining ring and is biased against the trunnion by a spring loaded cable. A lubricant is injected between the trunnion and the bearing ...