BlackStar H80R23 - 80 Pitch R Sprocket - 23 Tooth 5VS-LB so a 3/B123 from any

so a 3/B123 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

Prefer our Diesel Belting equivalent: T10-1100-10 Timing Belt T10 10mm x 1100mm OC Diesel Belting

Specifications Part Number H80A54Q Chain Pitch 80 Number of Teeth 54 Bore Type Plain Bore Hub Style A-Plate Strand Count Single Material Steel Hardened Teeth Yes Outside Diameter 17

"name":"Gates 1690-5M-25 PowerGrip HTD Belts"

Belt Section C Sub-Type Banded Width 7/8" Thickness 17/32" Length 270 in Number of Bands 4 Material Neoprene Reinforcement Polyester Cord Color Black Temperature Range -30°F to 185°F

BlackStar H80R23 - 80 Pitch R Sprocket - 23 Tooth 5VS-LB so a 3/B123 from anyThe BlackStar H80R23 is a 80 pitch R roller chain sprocket with 23 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 H80R23 Chain Pitch 80 Number of Teeth 23 Bore Type Plain Bore Hub Style R Strand Count Single Material Steel Hardened Teeth Yes Outside Diameter 7. 88" Pitch Diameter 7. 344"