FIELD: grinding; polishing.
SUBSTANCE: invention relates to a rolling unit for rolling wheel of wheels rolling surfaces. Rolling unit comprises a rolling roller, a base on which a bracket is located perpendicular to its surface. Mounting element rests on the bracket, which is fixed in its position on one side in the bracket by means of a thread and on which a radial-thrust ball bearing is located. Rolling roller is supported on the ball bearing and has at least two different rolling radiuses.
EFFECT: higher service life of wheels rolling surfaces.
11 cl, 6 dwg
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