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BS ISO 4000-1:2021 – TC

BS ISO 4000-1:2021 – TC

$258.95

Tracked Changes. Passenger car tyres and rims – Tyres (metric series)

Published By Publication Date Number of Pages
BSI 2021 128
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This document specifies the designation, dimensions, and load ratings of metric-series tyres primarily intended for passenger cars.

PDF Catalog

PDF Pages PDF Title
1 30442802
69 A-30397483
70 undefined
74 Foreword
75 1 Scope
2 Normative references
3 Terms and definitions
4 Designation
4.1 Size and construction
4.1.1 Characteristics
76 4.1.2 Nominal section width
4.1.3 Nominal aspect ratio
4.1.4 Tyre construction code
4.1.5 Nominal rim diameter code
77 4.2 Service description
4.2.1 General
4.2.2 Load index
4.2.3 Speed symbol
78 4.2.4 Speed category
4.3 Other service characteristics
80 5 Marking
6 Tyre dimensions
6.1 Rounding values
81 6.2 Calculation of design tyre dimensions
6.2.1 Theoretical rim width, Rth
6.2.2 Measuring rim width code, Rmc
6.2.3 Design tyre section width, S
82 6.2.4 Design tyre section height, H
6.2.5 Design tyre overall diameter, D0
6.2.6 Guidelines
6.3 Calculation of maximum overall (grown) tyre dimensions in service tyre mounted on their measuring rims
6.3.1 General
6.3.2 Maximum overall (grown) width in service, Wmax
83 6.3.3 Maximum overall (grown) diameter in service, D0,max
6.4 Calculation of minimum tyre dimensions for radial tyres mounted on their measuring rims
6.4.1 Minimum tyre section width, Smin
6.4.2 Minimum tyre overall diameter, D0,min
6.5 Range of approved rims
84 7 Tyre dimension measurement procedure
8 Inflation pressures
85 9 Load carrying-capacities
10 Choice of tyre sizes
86 11 Camber angle
88 Annex A (informative) Guideline values for metric-series tyres
96 Annex B (normative) Load indices for passenger car tyres
116 Annex C (normative) Minimum inflation pressure for intermediate load
124 Annex D (informative) Other existing size markings
126 Bibliography

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BS ISO 4000-1:2021 - TC
$258.95