Rolling bearings. Aligning thrust ball bearings and aligning seat washers. Boundary dimensions Ingestion-build-181247 switchgear and controlgear designed for

switchgear and controlgear designed for indoor and outdoor installation and for operation at service frequencies up to and including 60 Hz on systems having voltages above 1 000 V

5 µm compared to those smaller than 10 µm on a mass for mass basis

Examples of meanings of the required operational instructions are presented as mathematical formulae in informative annexes

and there are an additional seven published Parts

category 1 and category 2

Rolling bearings. Aligning thrust ball bearings and aligning seat washers. Boundary dimensions Ingestion-build-181247 switchgear and controlgear designed for1 Scope This International Standard specifies dimensions of single direction and double direction aligning thrust ball bearings with and without aligning seat washers.