2010 Lexus RX 350 Owners Manual - Page 614

6-1. Specifications Tire related term Occupant distribution Meaning Distribution of occupants in a vehicle as specified in the third column of Table 1* below 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 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 Production options weight Rim Rim diameter (Wheel diameter) Rim size designation Rim type designation Rim width Vehicle capacity weight (Total load capacity) The load on an individual tire that is determined by Vehicle maximum load on distributing to each axle its share of the maximum the tire loaded vehicle weight, and dividing by two The load on an individual tire that is determined by distributing to each axle its share of curb weight, accessory weight, and normal occupant weight (distributed in accordance with Table 1* below), and dividing by two The surface area of the rim not covered by the inflated tire Vehicle normal load on the tire Weather side 620