Other

Ina Walzlager Schaeffler Ohg

Ina W&auml;lzlager Schaeffler Ohg

Leo M&uuml;ntnich

Karl-Ludwig Grell

Volker Ploetz

J&uuml;rgen Lechner

G&uuml;nter Grube

A needle case or needle bush produced without cutting for a thin-walled needle bearing is produced without cutting from a cold-rolled strip, which is a heat-treated steel which has the disclosed chemical composition and the disclosed mechanical characteristic values. After a heat treatment, a surface hardness of 860 to 880 HV and a core hardness of 550 to 650 HV are achieved.

Rolling bearing component

A method of making a cage whose crossbars ( ) connecting the side rings ( ) are profiled whereby the rolling elements ( ) are retained individually on both sides of the pitch circle by retaining edges ( ) extending parallel to the axis of the rolling elements wherein by an additional shaping by material displacement after the punching out of the pockets ( ), parallel opposing guide surfaces ( ) for the rolling elements ( ) are formed within the pitch circle between the retaining edges ( of the pockets ( ) and the retaining edges ( ) on both sides of the pitch circle are dimensioned so that the distance between them in the peripheral direction is only slightly smaller than the diameter of the rolling elements ( ) wherein a defined contact of the rolling elements ( ) with the cage is achieved due to the stamp guide surfaces ( ) so that the mechanical loading of the cage is insignificant.

Method for producing a cage for a cylindrical roll barrel

A method of making a formed body from iron alloys, in particular a cage for use in a radial roller bearing, axial roller bearing or linear roller bearing, includes the steps of treating a metal strip by heat treatment or thermochemical treatment for providing the metal strip with desired properties with respect to hardness, strength and wear resistance, and punching a plurality of spaced slots into the metal strip for formation of pockets for receiving rolling elements.

Growing community of inventors

Aurachtal, Germany

Leo Müntnich

Growing community of inventors

Aurachtal, Germany

Leo M&uuml;ntnich

Leo Müntnich