A rotatable machinery system including a washer, the washer including a flange for keeping debris from contacting both rotating and stationary elements. The rotatable machinery system includes a rotatable cross member, a drive shaft coupled to the cross member, a bearing including a bearing housing, and a drive device for rotating the drive shaft. The bearing housing and drive shaft form a circumferential junction. The flange of the washer covers at least a portion of the junction, the washer turning responsive to the drive shaft.