Hytrol Conveyor Co.
B-21330
4 in diameter pulley with extended shaft for the sprocket to be mounted. The pulley face is fully lagged.
Item #9 on page 13 in the Maintenance Manual for TA
Lead time is 10 business days.
Bearings
Bearings for this drive pulley can be purchased here
Sprocket
Drive sprocket for this drive pulley can be purchased here