Demands for balls and roller bearings in the general industry

The norms listed must be followed

Here you can find the latest demands for balls made from hardened roller bearing steel. Specifications have been updated for you by us. You can download the latest versions by clicking on the required file.

1. Various -- General specifications
2. Table
                       2.1 Table A -- Nominal diameter of balls and weights
                       2.2 Table B -- Material groups  (Part 1 - Part 2 - Part 3)
                       2.3 Table C -- Dimension- and formaccuracy, roughness
3. Representation of sorts and principle of sortings (Picture 1, Picture 2)
4. Measuring of the deviation from ball form
5. Comparision of former and current demands from 1993 and afterwards

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