QU50738 Timken® SRW Inner Rear Wheel Bearing Cup for 11-up GM 11.5 small-parts-1985-1991-ford-f350-dana-60 there may be two sizes

there may be two sizes of wheel seals available for the same axle family depending upon the axle rating

Ford introduced a redesigned Dana 44IFS Twin Traction Beam Front Axle during the 1983 model year that uses a right Axle Slip Joint protected by a flexible rubber Boot instead of a pressed on Yoke Seal

QU50376 Timken® Inner Wheel Bearing for 1972-2022 Dodge and Ram Dual Rear Wheel 1 ton 4x2 and 4x4 trucks from 1972 to 1993 equipped with Dana 70 rear axles that have 2" spindle threads

The two axles take different axle u-joints

QU50738 Timken® SRW Inner Rear Wheel Bearing Cup for 11-up GM 11.5 small-parts-1985-1991-ford-f350-dana-60 there may be two sizesQU50738 Timken Inner Rear Wheel Bearing Cup for 2011 up GM AAM 1150 11. 5" rear axles with Single Rear Wheels. Need More Info? Use the handy Links below to access over 40 years of Dan's product and vehicle specific Tech Notes to easily get the information you need for your vehicle's repair, maintenance, or upgrade project! Dan the Gear Man Tech Notes: Always Replace Matching Parts Applications Tech Note 1: Always Replace Always replace the cup and