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441
6-1. Specifications
6
Vehicle specifications
Tire related term Meaning
Extra load tire
A tire designed to operate at higher loads and
at higher inflation pressures than the corre-
sponding standard tire
Groove The space between two adjacent tread ribs
Innerliner
The layer(s) forming the inside surface of a
tubeless tire that contains the inflating medium
within the tire
Innerliner separation
The parting of the innerliner from cord material
in the carcass
Intended outboard
sidewall
(a)The sidewall that contains a whitewall, bears
white lettering, or bears manufacturer, brand,
and/or model name molding that is higher or
deeper than the same molding on the other
sidewall of the tire, or
(b)The outward facing sidewall of an asymmet-
rical tire that has a particular side that must
always face outward when mounted on a vehi-
cle
Light truck (LT) tire
A tire designated by its manufacturer as prima-
rily intended for use on lightweight trucks or
multipurpose passenger vehicles
Load rating
The maximum load that a tire is rated to carry
for a given inflation pressure
Maximum load rating
The load rating for a tire at the maximum per-
missible inflation pressure for that tire
Maximum permissible
inflation pressure
The maximum cold inflation pressure to which
a tire may be inflated
Measuring rim
The rim on which a tire is fitted for physical
dimension requirements
Open splice
Any parting at any junction of tread, sidewall, or
innerliner that extends to cord material
Outer diameter The overall diameter of an inflated new tire
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