BlackStar 40BS39 1 1/2 K2S - 40 Pitch Finished Bore Sprocket - 39 Tooth - 1-1/2" Bore AT10US Section "name":"Gates 14MX-48S-68 Poly Chain GT

"name":"Gates 14MX-48S-68 Poly Chain GT Sprockets 77196048"

Specification Value Part Number 2/B125 Belt Type Banded V-Belt Cross-Section B Top Width 1

so a 2/8V1120 from any major manufacturer shares the same cross-section and length and runs on the same sheaves

16/BK206 has a top width of 11

The 25T10/1300US is a timing belt from D&D Global's Dura-True Torque Urethane Steel - T10 Series line

BlackStar 40BS39 1 1/2 K2S - 40 Pitch Finished Bore Sprocket - 39 Tooth - 1-1/2" Bore AT10US Section "name":"Gates 14MX-48S-68 Poly Chain GTThe BlackStar 40BS39 1 1 2 K2S is a 40 pitch Finished Bore roller chain sprocket with 39 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 40BS39 1 1 2 K2S Chain Pitch 40 Number of Teeth 39 Bore Size 1 1 2" Minimum Bore 5 8" Maximum Bore 1 1 2" Bore