PPI Hytrol 914.R7S31 4"x 31"BW Conveyor Pulley Roller Crowned 3/4-10 Hub

New surplus.
NOTE: Missing end cap- 
Steel pulley, with slight crown.
4" OD.  
30" Roller tube length. (rolling surface)
31" Bed width.  (Overall Width between hubs)
3/4-10 threaded hubs.