This standard specifies the terms and definitions, code naming, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage and quality commitment of low-noise deep groove ball bearings for motors. This standard applies to low-noise deep groove ball bearings (hereinafter referred to as bearings) for motors with an inner diameter of 8 mm to 120 mm.
T/ZZB 0524-2018 history
2018T/ZZB 0524-2018 Low noise deep groove ball bearings for electric motors