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SAE J1865 (NOV2020)

Dimensional Compatibility for Commercial Vehicles Fitment of Complete Wheels in Drum Brake Applications - Truck and Bus_x000D_
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SAE J1865 (NOV2020)

Dimensional Compatibility for Commercial Vehicles Fitment of Complete Wheels in Drum Brake Applications - Truck and Bus_x000D_

PUBLISH DATE 2020
PAGES 8
Document Preview
This SAE Recommended Practice defines a clearance line for establishing dimensional compatibility between drum brakes and wheels with 19.5 inch, 22.5 inch, and 24.5 inch diameter rims. Wheels designed for use with drum brakes may not be suitable for disc brake applications. The lines provided establish the maximum envelope for brakes, including all clearances, and minimum envelope for complete wheels to allow for interchangeability. This document addresses the dimensional characteristics only, and makes no reference to the performance, operational dynamic deflections, or heat dissipation of the system. Valve clearances have not been included in the fitment lines. Bent valves may be required to clear brake drums. Disc brake applications may require additional running clearances beyond those provided by the minimum contour lines. Mounting systems as noted are referenced in SAE J694.
SDO SAE: SAE International
Document Number J1865
Publication Date Nov. 4, 2020
Language en - English
Page Count 8
Revision Level 202011
Supercedes
Committee
Publish Date Document Id Type View
Nov. 4, 2020 J1865_202011 Revision
July 1, 2016 J1865_201607 Revision
July 31, 2007 J1865_200707 Revision
June 1, 1999 J1865_199906 Revision