BlackStar H100A90 - 100 Pitch A-Plate Sprocket - 90 Tooth 5.7/16" 00 Super HC Sheaves -

00 Super HC Sheaves - QD 78745160 is a V-belt sheave (pulley)

Belt Section 5V Sub-Type Banded Width 5/8" Thickness 17/32" Length 203 in Number of Bands 11 Material Neoprene Reinforcement Aramid (Kevlar) Color Black Performance Heavy-Duty Temperature Range -30°F to 185°F

The 19/8V4500 has a 1" width

so the Megadyne 18/8V1500 interchanges with Gates

BlackStar H100A90 - 100 Pitch A-Plate Sprocket - 90 Tooth 5.7/16" 00 Super HC Sheaves -The BlackStar H100A90 is a 100 pitch A Plate roller chain sprocket with 90 teeth, precision manufactured from SAE 1045 steel with induction hardened teeth for extended wear life and features machine cut tooth profiles for smooth, reliable chain engagement. Specifications Part Number H100A90 Chain Pitch 100 Number of Teeth 90 Bore Type Plain Bore Hub Style A Plate Strand Count Single Material Steel Hardened Teeth Yes Approx. Weight 184. 0 lbs Cross