BS AU 50-4.3.1a:1998 Tyres and wheels - Rim profiles and dimensions - Off-the-road rims - Specification for narrow and wide base off-the-road vehicle rims
ISO 4250 consists of three parts (see the Foreword) laying down the technical elements relating to designation and dimensions of tyres and rims for earth-moving machinery: it also gives load tables for these tyres.
This part of ISO 4250 sets out the designation, contours and dimensions for rims for narrow and wide base off-road tyres primarily intended for earth-moving machinery.
Annex A gives details of sealing ring grooves and O-rings for earth-mover rims.
NOTE — Terms used are in accordance with ISO 3911:1977, Wheels/rims —Nomenclature, designation, marking and units of measurement.
1998BS AU 50-4.3.1a:1998 Tyres and wheels - Rim profiles and dimensions - Off-the-road rims - Specification for narrow and wide base off-the-road vehicle rims