NF ISO 4251-2

NF ISO 4251-2

January 2020
Standard Current

Code designated diagonal tyres (ply rating marked series) for agricultural tractors, trailers and machines - Part 2 : tyre load ratings

This document establishes the load ratings of the diagonal code designated (ply rating marked series) tyres for agricultural tractors, trailers and machines. Tyre designation and dimensions, and approved rim contours are given in ISO 4251‑1. NOTE Code designated diagonal tyres (ply rating marked series) for construction applications (industrial tractors), identified by the classification code R-4, as specified in ISO 18805, or by suffix "IND" are part of ISO 13442. Code designated diagonal tyres (ply rating marked series) for forestry machines, identified by the classification code LS, as specified in ISO 18805, are covered by ISO 18807.

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Main informations

Collections

National standards and national normative documents

Publication date

January 2020

Number of pages

29 p.

Reference

NF ISO 4251-2

ICS Codes

83.160.30   Tyres for agricultural machinery

Classification index

U12-004-2

Print number

1

International kinship

ISO 4251-2:2019
Sumary
Code designated diagonal tyres (ply rating marked series) for agricultural tractors, trailers and machines - Part 2 : tyre load ratings

This document establishes the load ratings of the diagonal code designated (ply rating marked series) tyres for agricultural tractors, trailers and machines.

Tyre designation and dimensions, and approved rim contours are given in ISO 4251‑1.

NOTE Code designated diagonal tyres (ply rating marked series) for construction applications (industrial tractors), identified by the classification code R-4, as specified in ISO 18805, or by suffix "IND" are part of ISO 13442.

Code designated diagonal tyres (ply rating marked series) for forestry machines, identified by the classification code LS, as specified in ISO 18805, are covered by ISO 18807.

Replaced standards (1)
NF ISO 4251-2
August 2017
Standard Cancelled
Tyres (ply rating marked series) and rims for agricultural tractors and machines - Part 2 : tyre load ratings

Le présent document établit les capacités de charge pour les pneumatiques de la série à marquage "équivalent nappes" ("ply-rating" en anglais) pour tracteurs et machines agricoles. Les désignations et cotes des pneumatiques et profils de jantes approuvés figurent dans la NF ISO 4251-1.

Table of contents
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  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Marquage de pneumatiques
  • 5 Charges des pneumatiques
  • Annexe A Charges de référence de pneumatiques (BTL) pour pneumatiques utilisés en montage simple aux pressions de gonflage de référence (IP) et charges de pneumatiques à différentes vitesses (relation charge/vitesse)
  • Annexe B Pneumatiques de diamètres de jante nominaux à code 15.3 ou 16.1 et pneumatiques pour petits tracteurs agricoles
  • Bibliographie
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