Fits AYP & Husqvarna 44", 46" & 50" Ventilated decks.  Includes bottom bearing. Star-shaped blade mount.  Double hex external spline for pulley. Use with #252-0669 spindle housing & #274-9547 lock nut.
Replaces AYP #(s) 137553; Husqvarna #(s) 532 13 75-53.
                        
                        
•Overall Length: 4-7/8"
•Weight: 0.89 lbs