CPC B62H 1/12 (2013.01) [B62K 3/002 (2013.01)] | 24 Claims |
1. A truck wheel (100) for a truck assembly (32) of a vehicle (10), the truck wheel (100) comprising:
a body (120) that defines an axle bore (122) that defines opposing shelves (148) for operative engagement of a pair of roller bearings (124) within the axle bore (122);
wherein the opposing shelves (148) are spaced apart by a bearing spacing (126);
wherein each truck wheel (100) has a truck-wheel diameter (128) and a truck-wheel width (130);
wherein the bearing spacing (126) is at least 12 millimeter (mm); and
wherein one or more of:
a ratio of the truck-wheel diameter (128) to the bearing spacing (126) is about 6; and/or
a ratio of the truck-wheel width (130) to the bearing spacing (126) is 1-5; and/or
a ratio of the truck-wheel width (130) to the bearing spacing (126) is about 3⅓.
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