Nomenclature - Wheels, Hubs, and Rims for Commercial Vehicles
J393_201710
This SAE Recommended Practice establishes uniform engineering nomenclature for wheels, hubs, rims, and their components used in truck, bus, and trailer applications. This nomenclature and accompanying drawings are intended to define functional truck wheel, hub, and rim designs. For nomenclature specific to “passenger-type” disc wheels, refer to SAE J1982. The International Standard (ISO) nomenclature is shown in parentheses when different than SAE J393.
Rationale:
The document was last revised in 2001. Since that time, new types of wheel-end equipment have come into commercial use. These need to be included in the recommended practice in order for it to remain a comprehensive source for uniform engineering nomenclature. In view of the significant additions and the reduced usage of older systems, the document has been completely revised, with Figures relating to Wheels for Demountable Rims moved to an Appendix for reference.
Related Topics:
Light trucks
Brake components
Wheels
Bearings
Assembling
Seals and gaskets
Mountings
Also known as: SAE J 393
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