Greaseless bushing for agricultural row unit
Abstract:
A greaseless bushing assembly for the gauge wheel arms of an agricultural row planter. The greaseless bushing includes an outer threaded tube for threaded mounting within the gauge wheel arm, and an internal non-metallic sleeve through which the wheel bolt extends for mounting the gauge wheel onto the arm. The sleeve provides dry lubrication for the bushing. The bushing may also include a lip or wiper seal at each end to prevent entry of dust into the bushing.
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