BlackStar 50BS51 1 1/2 K2S - 50 Pitch Finished Bore Sprocket - 51 Tooth - 1-1/2" Bore 3.5/8" so a 2/3VX670 from any

so a 2/3VX670 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

16/B80 Banded V-Belt

v=1736532930"

The Gates 5L700 Truflex V-Belts is a standard V-belt featuring 5L-section dimensions

v=1630683728"

BlackStar 50BS51 1 1/2 K2S - 50 Pitch Finished Bore Sprocket - 51 Tooth - 1-1/2" Bore 3.5/8" so a 2/3VX670 from anyThe BlackStar 50BS51 1 1 2 K2S is a 50 pitch Finished Bore roller chain sprocket with 51 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1 1 2" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 50BS51 1 1 2 K2S Chain Pitch 50 Number of Teeth 51 Bore Size 1 1 2" Minimum Bore 1" Maximum Bore 1 15 16" Bore