NF ISO 4251-1

NF ISO 4251-1

August 2017
Standard Cancelled

Tyres (ply rating marked series) and rims for agricultural tractors and machines - Part 1 : tyre designation and dimensions, and approved rim contours

ISO 4251-1:2017 establishes the designation in use and the dimensions of the ply rating marked series of tyres for agricultural tractors and machines. Tyre load ratings are given in ISO 4251‑2.

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Main informations

Collections

National standards and national normative documents

Publication date

August 2017

Number of pages

25 p.

Reference

NF ISO 4251-1

ICS Codes

83.160.30   Tyres for agricultural machinery

Classification index

U12-004-1

Print number

1

International kinship

Sumary
Tyres (ply rating marked series) and rims for agricultural tractors and machines - Part 1 : tyre designation and dimensions, and approved rim contours

ISO 4251-1:2017 establishes the designation in use and the dimensions of the ply rating marked series of tyres for agricultural tractors and machines.

Tyre load ratings are given in ISO 4251‑2.

Replaced standards (2)
NF ISO 4251-1
November 2006
Standard Cancelled
Tyres (ply rating marked series) and rims for agricultural tractors and machines - Part 1 : tyre designation and dimensions, and approved rim contours

Le présent document prescrit la désignation et fixe les cotes des pneumatiques de la série à marquage "équivalent nappes" ("ply rating" en anglais) pour les tracteurs et les machines agricoles. Sont également données les informations relatives au marquage, aux cotes et à leurs tolérances, aux rayons index, aux références des profils de jante pour les différents codes de section. Sont données, en annexe informative, les caractéristiques (désignation dimensionnelles, jantes de mesures et cotes) des anciens pneumatiques normalisés de diamètres nominaux de jante affectés des codes 15.3 et 16.1.

NF ISO 4251-1/A1
March 2012
Standard Cancelled
Tyres (ply rating marked series) and rims for agricultural tractors and machines - Part 1 : tyre designation and dimensions, and approved rim contours - Amendment 1

Le présent document prescrit la désignation et fixe les cotes des pneumatiques de la série à marquage "équivalent nappes" ("play rating" en anglais) pour les tracteurs et les machines agricoles.

Standard replaced by (1)
NF ISO 4251-1
January 2020
Standard Current
Code designated diagonal tyres (ply rating marked series) for agricultural tractors, trailers and machines - Part 1 : tyre designation and dimensions, and approved rim contours

<p>This document establishes the designation in use and the dimensions of code designated tyres in diagonal construction (ply rating marked series) for agricultural tractors, trailers and machines.</p> <p>Tyre load ratings are given in ISO 4251‑2.</p> <p>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 covered by ISO 13442.</p> <p>Code designated tyres in radial construction for drive wheels of agricultural tractors are covered by ISO 8664.</p> <p>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.</p>

Table of contents
View the extract
  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Marquage
  • 5 Cotes et tolérances
  • 6 Paramètres dimensionnels du pneumatique relatifs à la vitesse du véhicule
  • 7 Couples pneumatique-jante
  • 8 Chambres à air
  • Annexe A Pneumatiques de diamètres nominaux de jante affectés des codes 15.3 et 16.1 et pneumatiques pour petits tracteurs agricoles
  • Annexe B Valeurs comparables pour la circonférence de roulement (CR/RC) , l'indice de circonférence de roulement (ICR/RCI) , l'indice de rayon de roulement (IRdR/SRI)
  • Bibliographie
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