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Vehicle capacity weight
(Total load capacity)
The rated cargo and luggage load plus 68 kg (150 lb.) times the vehicle’s
designated seating capacity
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 asymmetrical tire that has a particular
side that must always face outward when mounted on a vehicle
Occupant distribution
Distribution of occupants in a vehicle as specified in the third column of Table
1 on page 130
Rim
A metal support for a tire or a tire and tube assembly upon which the tire beads
are seated
Rim diameter (Wheel diameter) Nominal diameter of the bead seat
Rim size designation Rim diameter and width
Rim type designation The industry of manufacturer’s designation for a rim by style or code
Rim width Nominal distance between rim flanges
Vehicle maximum load on the tire
The load on an individual tire that is determined by distributing to each axle
its share of the maximum loaded vehicle weight and dividing by two
Vehicle normal load on the tire
The load on an individual tire that is determined by distributing to each axle
its share of the curb weight, accessory weight, and normal occupant weight
(distributed in accordance with Table 1 on page 130) and dividing by two
Weather side The surface area of the rim not covered by the inflated tire
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