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This Recommended Practice provides uniform laboratory procedures for fatigue testing of hubs intended for highway use on trucks, buses, truck-trailers, and multi-purpose passenger vehicles having bolt circles from 6.5 - 13-3/16 in (165.1-335 mm) diameters. The tests described in this Recommended Practice are not to be construed as the only tests required or permitted to assure that a hub will perform satisfactorily for its intended use.

This recommended practice provides uniform laboratory procedures for fatigue testing of hubs intended for highway use on trucks, buses, truck-trailers, and multi-purpose passenger vehicles having bolt circles from 6.5 − 13 3 16 in (165.1–335 mm) diameters. The tests described in this recommended practice are not to be construed as the only tests required or permitted to assure that a hub will perform satisfactorily for its intended use.

This SAE Recommended Practice provides uniform laboratory procedures for fatigue testing of wheels for demountable rims and hubs intended for normal highway use on trucks, buses, truck trailers, and multipurpose passenger vehicles. The hubs included have bolt circle diameters from 165.1 to 335.0 mm (6.50 to 13.19 in). It is up to each hub and/or wheel for demountable rims developer to determine what test method, accelerated load factor and cycle life requirements are applicable to obtain satisfactory service life in a given application. When deviations from the procedures recommended herein are made, it is the responsibility of the hub and/or wheel for demountable rims developer to modify other parameters to obtain satisfactory service life.

This SAE Recommended Practice provides uniform laboratory procedures for fatigue testing of spoke wheels and hubs intended for normal highway use on trucks, buses, truck trailers, and multipurpose passenger vehicles. The hubs included have bolt circle diameters from 165.1 to 335.0 mm (6.50 to 13.19 in). It is up to each hub and/or spoke wheel developer to determine what test method, accelerated load factor and cycle life requirements are applicable to obtain satisfactory service life in a given application. When deviations from the procedures recommended herein are made, it is the responsibility of the hub and/or spoke wheel developer to modify other parameters to obtain satisfactory service life.

This SAE Recommended Practice provides uniform laboratory procedures for fatigue testing of spoke wheels and hubs intended for normal highway use on trucks, buses, truck trailers, and multipurpose passenger vehicles. The hubs included have bolt circle diameters from 165.1 to 335.0 mm (6.50 to 13.19 in). The tests described in this document are not to be construed as the only tests required or permitted to ensure that a spoke wheel or a hub will perform satisfactorily for its intended use.

This SAE Recommended Practice provides uniform laboratory procedures for fatigue testing of spoke wheels and hubs intended for normal highway use on trucks, buses, truck trailers, and multipurpose passenger vehicles. The hubs included have bolt circle diameters from 165.1 to 335.0 mm (6.50 to 13.19 in). The tests described in this document are not to be construed as the only tests required or permitted to assure that a spoke wheel or a hub will perform satisfactorily for its intended use.

This SAE Recommended Practice provides uniform laboratory procedures for fatigue testing of wheels for demountable rims and hubs intended for normal highway use on trucks, buses, truck trailers, and multipurpose passenger vehicles. The hubs included have bolt circle diameters ranging from 165.1 to 335.0 mm (6.500 to 13.189 inches). It is up to each hub and/or wheel for demountable rims manufacturer to determine the appropriate test method, accelerated load factor and cycle life requirements applicable to obtain satisfactory service life for a given application. When deviations from the procedures recommended herein are made, it is the responsibility of the hub and/or wheel for demountable rims developer to modify other parameters as necessary to ensure satisfactory service life for the intended application. It should be noted that this test procedure focuses on fatigue resulting from vehicle loading and cornering forces.

This SAE Recommended Practice provides uniform laboratory procedures for fatigue testing of wheels for demountable rims and hubs intended for normal highway use on trucks, buses, truck trailers, and multipurpose passenger vehicles. The hubs included have bolt circle diameters from 165.1 to 335.0 mm (6.500 to 13.189 in). It is up to each hub and/or wheel for demountable rims manufacturer to determine what test method, accelerated load factor and cycle life requirements are applicable to obtain satisfactory service life in a given application. When deviations from the procedures recommended herein are made, it is the responsibility of the hub and/or wheel for demountable rims developer to modify other parameters to obtain satisfactory service life.

This SAE Recomended Practice establishes uniform engineering nomenclature for wide base disc wheels and demountable rims. This nomenclature and accompanying figures are intended to define fundamental wide base disc wheels and demountable rim terms. The dimensions given are those necessary to maintain serviceability and interchangeability of the wide base disc wheels and demountable rims with standard hardware.

This SAE Recommended Practice established uniform engineering nomenclature for extra wide single rims and wheels. This nomenclature and accompanying drawings are intended to define fundamental extra wide single rim and wheel terms. The dimensions given are those necessary to maintain serviceability and interchangeability of the demountable rims, disc wheels, and wheels for demountable rims.

This SAE Recommended Practice contains dimensions and their tolerances concerning disc wheel to hub or drum interface areas for commercial vehicles and multipurpose passenger vehicles. Stamped disc wheels for single applications and special or less common applications are not covered in this document.

This SAE Recommended Practice contains dimensions and their tolerances concerning disc wheel to hub or drum interface areas for commercial vehicles and multi-purpose passenger vehicles. Stamped disc wheels for single applications and special or less common applications are not covered in this recommended practice.

This SAE Recommended Practice contains dimensions and their tolerances concerning disc wheel to hub or drum interface areas for commercial vehicles and multipurpose passenger vehicles. Stamped disc wheels for single applications and special or less common applications are not covered in this document.

This SAE Recommended Practice contains dimensions and their tolerances concerning disc wheel to hub or drum interface areas for commercial vehicles and multipurpose passenger vehicles. Stamped disc wheels for single applications and special or less common applications are not covered in this document.

This SAE Recommended Practice contains dimensions and their tolerances concerning disc wheel to hub or drum interface areas for commercial vehicles and multi-purpose passenger vehicles. Stamped disc wheels for single applications and special or less common applications are not covered in this recommended practice.

This SAE Recommended Practice contains dimensions and their tolerances concerning disc wheel to hub or drum interface areas for commercial vehicles and multipurpose passenger vehicles. Stamped disc wheels for single applications and special or less common applications are not covered in this document.

This SAE Recommended Practice contains dimensions and their tolerances concerning disc wheel to hub or drum interface areas for truck and bus applications. Disc wheels designed only for single wheel applications (not dual wheels) for light trucks and special or less common applications are not covered in this document.

This SAE Recommended Practice provides uniform laboratory procedures for fatigue testing certain production disc wheels, wheels for demountable rims, and demountable rims intended for normal highway use on trucks, buses, truck-trailers, and multipurpose passenger vehicles. Standardized fatigue tests are yet to be developed for wheels and rims not covered in this recommended practice.

This SAE Recommended. Practice provides uniform laboratory procedures for fatigue testing certain production disc wheels, spoke wheels, and demountable rims intended for normal highway use on trucks, buses, truck-trailers, and multipurpose passenger vehicles. Standardized fatigue tests are yet to be developed for wheels/rims not covered in this recommended practice.

This SAE Recommended Practice provides minimum performance target and uniform laboratory procedures for fatigue testing of wheels and demountable rims intended for normal highway use on trucks, buses, truck-trailers, and multipurpose vehicles. Users may establish design criteria exceeding the minimum performance target for added confidence in a design. The cycle target noted in Tables 1 and 2 are based on Weibull statistics using two parameter, median ranks, 50% confidence level and 90% reliability, and beta equal to two, typically noted as B10C50. For other wheels intended for normal highway use and temporary use on passenger cars, light trucks, and multipurpose vehicles, refer to SAE J328. For wheels used on trailers drawn by passenger cars, light trucks, or multipurpose vehicles, refer to SAE J1204. For bolt together military wheels, refer to SAE J1992. This document does not cover other special application wheels and rims.