Bearing designations system. Bearings classification. The main bearings data. The Russian system of bearing designations is based on the following features, страница 2

Note: the figures after supplementary sign in bearing designation indicate its modification.

Supplementary signs given in table 2 do not apply to the bearings the distinguished features of which constitute property of their basic design.

The list of such bearings is given below:

deep groove ball bearings with pressed steel cages; doublerow selfaligning ball bearings with pressed steel cages; singlerow and multiplerow radial roller bearings with massive brass cages with rivets; doublerow selfaligning roller bearings with massive brass cages; radial roller bearings with spiral wound and needle rollers with steel cages; angularcontact ball bearings with pressed steel cages; taper roller bearings with pressed steel cages; thrust ball bearings with pressed steel cages; thrust roller bearings with massive brass cages.

The bearings given in this catalogue satisfy the demands of ISO standards and are interchangeable with bearings produced by international firms as far as their overall dimensions specifications and operating characteristics are concerned.

Comparative designations or bearings, types, produced by SKF (Sweden), FAG (Germany) and Russia are given in tables 4 and 5.

Table 4.

Comparative designations of rolling bearings types and design varieties

Table 4.