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10-1. Specifications
Tire related term
Production options weight
Rim
Rim diameter (Wheel diameter)
Rim size designation
Rim type designation
Rim width
Vehicle capacity weight (Total load capaci-
ty)
Vehicle maximum load on the tire
Vehicle normal load on the tire
Weather side
Bead
Bead separation
732
Meaning
The combined weight of installed regular
production options weighing over 5 lb. (2.3
kg) in excess of the standard items which
they replace, not previously considered in
curb weight or accessory weight, including
heavy duty brakes, ride levelers, roof rack,
heavy duty 12-volt battery, and special trim
A metal support for a tire or a tire and
tube assembly upon which the tire beads
are seated
Nominal diameter of the bead seat
Rim diameter and width
The industry manufacturer's designation for
a rim by style or code
Nominal distance between rim flanges
The rated cargo and luggage load plus 150
lb. (68 kg) times the vehicle' s designated
seating capacity
The load on an individual tire that is deter-
mined by distributing to each axle its share
of the maximum loaded vehicle weight, and
dividing by two
The load on an individual tire that is deter-
mined by distributing to each axle its share
of curb weight, accessory weight, and nor-
mal occupant weight (distributed in accord-
(1)
ance with Table 1
below), and dividing by
two
The surface area of the rim not covered by
the inflated tire
The part of the tire that is made of steel
wires, wrapped or reinforced by ply cords
and that is shaped to fit the rim
A breakdown of the bond between compo-
nents in the bead
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