SAE J2475-2020 PDF

Scope: This recommended practice contains dimensions and tolerances for spindles in the interface area. Interfacing components include axle spindle@ bearing cones@ bearing spacer@ seal and wheel hub. This recommended practice is intended for axles commonly used on Class 7 and 8 commercial vehicles. Included are SAE axle configurations FF@ FL@ I80@ L@ U@ W@ R@ N and P. Purpose The purpose of this recommended practice is to establish dimensional guidelines to promote a functional standardization of spindle dimensions for wheel end assemblies. Proper hub component dimensions can then be established.

SAE J2475-2020 history

2020 SAE J2475-2020 Wheel End Assembly and Axle Spindle Interface Dimensions—Truck and Bus
2014 SAE J2475-2014 Wheel End Assembly and Axle Spindle Interface Dimensions-Truck and Bus
2008 SAE J2475-2008 Wheel End Assembly and Axle Spindle Interface Dimensions Truck and Bus
2005 SAE J2475-2005 Wheel End Assembly and Axle Spindle Interface Dimensions - Truck and Bus
2000 SAE J2475-2000 Wheel End Assembly and Axle Spindle Interface Dimensions Commercial Vehicles