scope:

This Standard specifies the minimum chamfer dimensions for loose rib and non-rib sides of single-row cylindrical roller bearings of diameter series 0, 2, 3, and 4 (except dimension series 24) as specified in JIS B 1512-1. Indication is given for those minimum chamfer dimensions that are identical to those in JIS B 1512-1.

NOTE: The International Standard corresponding to this Standard and the symbol of degree of correspondence are as follows:

ISO 12043: 2007 Rolling bearings-Single-row cylindrical roller bearings- Chamfer dimensions for loose rib and non-rib sides (IDT)

The symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISO/lEC Guide 21-1.