This International Standard specifies bearing and subunit boundary dimensions for complete single-row and double-row tappered roller bearings.It also specifies the flange dimensions of flanged outer rings for a selection of these bearings.A series designation for each bearing is also specified.
ISO 355:2007 Referenced Document
ISO 1132-1:2000 Rolling bearings - Tolerances - Part 1: Terms and definitions
ISO 15241:2001 Rolling bearings - Symbols for quantities
ISO 492:2002 Rolling bearings - Radial bearings - Tolerances