ONE PIECE HUB FITS 1 3/8” X 1 1/16” SPINDLE. FITS 3,500LB AXLES CONTENTS: (1) 4545G-H HUB (1) 44649 BEARING (1) 68149 BEARING (1) GREASE SEAL SEAL (1) DUST CAP AND RUBBER PLUG (5) CONE LUG NUT (1) COTTER PIN UNGREASED! Very Important! We want to make sure this hub kit is the correct one for your trailer! " so do you we are sure" Please look at the back side of your bearings to make sure the numbers match the numbers below. If they match your are all set! 44649 68149