Importance

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Abstract

A thrust bearing system for use in a conical rock crusher is located between a rotational eccentric mechanism and a stationary frame of the rock crusher. The thrust bearing system comprises a stationary bearing and rotatable bearing, each bearing including an annular, generally flat plate centered about a bearing axis. Each flat plate has a generally planar wearing surface and an opposite surface. The wearing surface of the rotatable bearing is configured for concentric, sliding engagement with the wearing surface of the stationary bearing. The wearing surface of the rotatable bearing also includes a plurality of lubrication grooves. Each groove has a length extending in a radial direction of the annular plate from an inner wall of the annular plate across the wearing surface to an outer wall of the annular plate. Each groove has a generally triangular cross section throughout the entire length of the groove.

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First Claim