Chip plow conveyor having bearing improvement

A plow conveyor adapted to convey abrasive scrap, comprising:

• an elongated trough having a flat bottom and sides;
• and
• a chip-motivating pusher bar in the trough that is adapted to reciprocate longitudinally and float laterally as the pusher bar reciprocates to move scrap along the trough, with lateral floating of the pusher bar helping to overcome binding caused by scrap material wedging between the pusher bar and one of the sides but where wedging still causes the pusher bar to engage the sides with substantial force, the pusher bar including a bearing component that slidably engages the flat bottom for longitudinal and lateral movement and that has opposing front corners forming inclined ramps on a leading end of the pusher bar, the inclined ramps providing angled engagement with the sides and characteristically providing a longitudinally-angled corner surface arrangement that cannot be sharpened after substantial wear against the flat bottom and the sides of the trough.