This standard applies to single-row angular contact ball bearings, including universally compatible bearings (hereinafter referred to as bearings), manufactured in accordance with GOST 520, and establishes their classification by design and mounting dimensions, installation diagrams, preloads, instructions for use and operation, and also additional technical requirements for this group of homogeneous products
GOST 831-2022 history
2023GOST 831-2022 Rolling bearings. Single row angular contact ball bearings. General technical requirements
1975GOST 831-1975 Single-row angular ball bearings. Types and basic dimensions