BK190 is a size I got off the internet closest to this pulley if you’re wanting dimensions.
The BK190-1-3/16 is a single groove compatible with 4L/A (18" pitch diameter) or 5L/B (18.4" pitch diameter) belts.
Key Specifications:
Outside Diameter (OD): 18.75 inches
Bore Size: 1-3/16 inches (fixed)
Number of Grooves: 1
Belt Type: 4L, A, AX, 5L, B, BX (Classical/Cogged)
Pitch Diameter (4L/A): 18.00 inches
Pitch Diameter (5L/B): 18.40 inches
Keyway: 1/4" x 1/8"
Construction: Spoked/Cast Iron
Width (Face/Overall): 7/8" Face / 1-9/16" Overall
Set Screw: Included (5/16-18)
The item is still available if you see this post and can be picked up at 157 S Parkway E ste4 Monday through Friday 10-430 call before coming for availability show contact info