BlackStar H240B10 - 240 Pitch B-Hub Sprocket - 10 Tooth QD-F so a 12/3V830 from any

so a 12/3V830 from any major manufacturer shares the same cross-section and length and runs on the same sheaves

"name": "What is 30T10/1040US used for

v=1770155968"

so the Megadyne 14/B120 interchanges with Gates

"name":"Gates 7/B84 Hi-Power II PowerBand V-Belts 90937084"

BlackStar H240B10 - 240 Pitch B-Hub Sprocket - 10 Tooth QD-F so a 12/3V830 from anyThe BlackStar H240B10 is a 240 pitch B Hub roller chain sprocket with 10 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 H240B10 Chain Pitch 240 Number of Teeth 10 Minimum Bore 1 1 2" Maximum Bore 4 1 2" Bore Type Plain Bore Hub Style B Hub Strand Count Single Material Steel Hardened Teeth Yes