BlackStar H60BS28 1 7/16 K2S - 60 Pitch Finished Bore Sprocket - 28 Tooth - 1-7/16" Bore Flange Bracket The 4/5VX2000 has a 5/8"

The 4/5VX2000 has a 5/8" width

The 3L730 is a fractional-horsepower V-belt for light-duty drives of one horsepower or less

"name":"290J26 Micro V Belt J Section 29in OC 26 Ribs Diesel Belting"

"text": "1390M19 has 19 ribs

The BlackStar 80SF42 is a 80 pitch QD roller chain sprocket with 42 teeth

BlackStar H60BS28 1 7/16 K2S - 60 Pitch Finished Bore Sprocket - 28 Tooth - 1-7/16" Bore Flange Bracket The 4/5VX2000 has a 5/8"The BlackStar H60BS28 1 7 16 K2S is a 60 pitch Finished Bore roller chain sprocket with 28 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. This sprocket has a 1 7 16" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H60BS28 1 7 16 K2S Chain Pitch 60 Number of Teeth 28