BlackStar 40BS50 1 3/16 K2S - 40 Pitch Finished Bore Sprocket - 50 Tooth - 1-3/16" Bore Power Curve Belt so a 16/B138 from any

so a 16/B138 from any major manufacturer shares the same cross-section and length and runs on the same sheaves

"name":"Gates B132 Hi-Power II Belts"

3/CX85 has a top width of 3 in

Pitch Profile 14M Pitch 14 mm Tooth Profile Curved (HTD) Tooth Location Single Side Number of Teeth 115 Width 40

so the Megadyne 10/C120 interchanges with Gates

BlackStar 40BS50 1 3/16 K2S - 40 Pitch Finished Bore Sprocket - 50 Tooth - 1-3/16" Bore Power Curve Belt so a 16/B138 from anyThe BlackStar 40BS50 1 3 16 K2S is a 40 pitch Finished Bore roller chain sprocket with 50 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1 3 16" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 40BS50 1 3 16 K2S Chain Pitch 40 Number of Teeth 50 Bore Size 1 3 16" Minimum Bore 5 8" Maximum Bore 1 1 2"