ISO 4209-2 pdf free download
ISO 4209-2-2020 pdf free download.Truck and bus tyres and rims (metric series )- Part 2: Rims.
This document specifies the designations, contours and dimensions of drop-centre (one-piece) rims for use on trucks and buses.
The rim dimensions are those rim contour dimensions necessary for mounting and fitment of the tyre to the rim.
1’re designations, dimensions and load ratings are given in ISO 4209-1.
2 Normative references
The following documenLs are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 3911, Wheels and rims for pneumatic tyres — Vocabulary, designation and marking ISO 4000-2, Passenger car tyres and rims — Part 2: Rims
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 3911 apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.isoorg/obp
— I EC Electropedia: available at http://www.electropcdia.org/
4 Designation and marking
The rim shall be designated by its nominal rim diameter code and nominal rim width code (e.g. 17.5 x 5.25), and rim flange type when specified (for example: 16 x 6 K).
5 5° tapered (drop-centre) rims
5.1 Rim flange
Recommended rim flange contours for K rims are given in Table 1.
Refer to ISO 4000-2 for B and J contour rims.
5.2 Rim contours
The dimensions and tolerances of the rims shall be as given in Figure 1 and Tables L 2. and 4.
Optional bead seat contours and their dimensions are given in Figure 2 and Table 3 and 4.ISO 4209-2 pdf download.
