Tesla MODEL X 2021, Руководство пользователя

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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 permissible inflation pressure
for that tire.
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 inner liner that extends
to the cord material.
Outer diameter The overall diameter of an inflated new tire.
Overall width The linear distance between the exteriors of the sidewalls of an inflated
tire, including elevations due to labeling, decorations, or protective bands
or ribs.
Ply A layer of rubber-coated parallel cords.
Ply separation A parting of rubber compound between adjacent plies.
Pneumatic tire A mechanical device made of rubber, chemicals, fabric and steel or other
materials, that, when mounted on an automotive wheel, provides the
traction and contains the gas or fluid that sustains the load.
Radial ply tire A pneumatic tire in which the ply cords that extend to the beads are laid
at substantially 90 degrees to the center line of the tread.
Reinforced tire A tire designed to operate at higher loads and at higher inflation
pressures than the corresponding standard tire.
Section width The linear distance between the exteriors of the sidewalls of an inflated
tire, excluding elevations due to labeling, decoration, or protective bands.
Sidewall The portion of a tire between the tread and bead.
Sidewall
separation The parting of the rubber compound from the cord material in the
sidewall.
Snow tire A tire that attains a traction index equal to or greater than 110, compared
to the ASTM E1136-93 (re-approved 2003, incorporated by reference, see
§571.5) Standard Reference Test Tire when using the snow traction test as
described in ASTM F1805-00 (incorporated by reference, see §571.5), and
that is marked with an Alpine Symbol specified in S5.5(i) on at least one
sidewall.
Test rim The rim on which a tire is fitted for testing, and may be any rim listed as
appropriate for use with that tire.
Tread The portion of a tire that comes into contact with the road.
Tread rib A tread section running around the circumference of a tire.
Tread separation The pulling away of the tread from the tire carcass.
Tread wear
indicators (TWI)
The projections within the principal grooves designed to give a visual
indication of the degrees of wear of the tread.
Wheel-holding
fixture
The fixture used to hold the wheel and tire assembly securely during
testing.
Wheels and Tires
245 Specifications