BlackStar 50BS34 1 1/8 K2S - 50 Pitch Finished Bore Sprocket - 34 Tooth - 1-1/8" Bore 8VS-SB com/s/files/1/0666/7721/products/Auto_Timing_Belt_8a3508d9-7d3d-4b4e-8f37-4fb248c2fa5a

com/s/files/1/0666/7721/products/Auto_Timing_Belt_8a3508d9-7d3d-4b4e-8f37-4fb248c2fa5a

Continental 6/3V670

Prefer our Diesel Belting equivalent: AT10-610-16 Timing Belt AT10 16mm x 610mm OC Diesel Belting

so a 1880-8M-20 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

BlackStar 50BS34 1 1/8 K2S - 50 Pitch Finished Bore Sprocket - 34 Tooth - 1-1/8" Bore 8VS-SB com/s/files/1/0666/7721/products/Auto_Timing_Belt_8a3508d9-7d3d-4b4e-8f37-4fb248c2fa5aThe BlackStar 50BS34 1 1 8 K2S is a 50 pitch Finished Bore roller chain sprocket with 34 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1 1 8" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 50BS34 1 1 8 K2S Chain Pitch 50 Number of Teeth 34 Bore Size 1 1 8" Minimum Bore 3 4" Maximum Bore 1 15 16"