BlackStar 50BS59 1 15/16 K2S - 50 Pitch Finished Bore Sprocket - 59 Tooth - 1-15/16" Bore QD-W so a 2520-8M-20 from any

so a 2520-8M-20 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

com/products/pix-3-3v450-industrial-v-belt"

com/s/files/1/0666/7721/products/Banded_V_Belt_eaeac14e-d6ac-4b6e-acf4-523939daf713

"text": "3/5VK1320 is a banded v-belt used on industrial drives - fans and blowers

Belt Section 5V Sub-Type Banded Width 5/8" Thickness 17/32" Length 140 in Number of Bands/Ribs 5 Material Polyurethane Reinforcement Aramid (Kevlar) Color Black Temperature Range -20°F to 158°F

BlackStar 50BS59 1 15/16 K2S - 50 Pitch Finished Bore Sprocket - 59 Tooth - 1-15/16" Bore QD-W so a 2520-8M-20 from anyThe BlackStar 50BS59 1 15 16 K2S is a 50 pitch Finished Bore roller chain sprocket with 59 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1 15 16" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 50BS59 1 15 16 K2S Chain Pitch 50 Number of Teeth 59 Bore Size 1 15 16" Minimum Bore 1" Maximum Bore 1 15