This Standard defines the presentation of symbols for physical quantities - dimen¬sions, dimensional tolerances, accuracy, load ratings, life, etc. (hereafter referred to as "symbols") - in the field of rolling bearings.
The International Standard corresponding to this Standard and the symbol of degree of correspondence are as follows:
ISO 15241 : 2001 Rolling bearings - Symbols for quantities (MOD)
The symbols which denote the degree of correspondence in the con¬tents between the relevant International Standard and JIS are IDT Gdentical), MOD (modified), and NEQ (not equivalent) according to ISO/lEe Guide 21.