ABMA 3290-1:2014 pdf free

ABMA 3290-1:2014 pdf free.Rolling bearings一Balls
radial distance between the smallest circumscribed sphere and the greatest inscribed sphere, with their centres common to the least squares sphere centre
NOTE This definition supersedes ISO 5593:1997, 05.06.03.
surface irregularities of random or periodical deviation from the ideal spherical form
NOTE 1 Waviness can be evaluated as velocity amplitude by default.
NOTE 2 In practice, the waviness components are separated from the real surface by a waviness analyser (filters).
surface irregularities with relatively small spacings, which usually include irregularities resulting from the method of manufacture being used and/or other influences
NOTE These irregularities are considered within the limits that are conventionally defined, e.g., within the limits of the sampling length.
element, irregularity or group of elements and irregularities of the real surface, unintentionally or accidentally caused during manufacture, storage, handling or use of the surface
NOTE 1 These types of element or irregularity differ considerably from those constituting the surface roughness and are not considered during the measurement of the surface roughness.
NOTE 2 The limits for surface defects are not specifled in this part of ISO 3290.
amount by which the mean diameter of ball lot should differ from the nominal ball diameter, this amount being one of an established series [ISO 5593:1997, 05.04.09]
NOTE 1 Each ball gauge is a whole multiple of the ball gauge interval established for the ball grade in question.
NOTE 2 A ball gauge, in combination with the ball grade and nominal diameter, is considered as the most exact ball size specification to be used by a customer for ordering purposes.
difference between the mean diameter of a ball lot and the sum of the nominal ball diameter and the ball gauge [ISO 5593:1997, 05.04.10]
amount, of an established series of amounts, which is the nearest to the actual deviation from the ball gauge of a ball lot [ISO 5593:1997, 05.04.11]
NOTE 1 Each ball subgauge is a whole multiple of the ball subgauge interval established for the ball grade in question.
NOTE 2 The ball subgauge, in combination with the nominal ball diameter and the ball gauge, is used by ball manufacturers to denote the mean diameter of a ball lot and is not generally used by customers for ordering purposes.ABMA 3290-1 pdf free download.