BlackStar 100BS13 1 3/4 K2S - 100 Pitch Finished Bore Sprocket - 13 Tooth - 1-3/4" Bore Narrow 2-Bolt Flange Block 3/5VK710 is a standardized industry

3/5VK710 is a standardized industry size

com/products/gates-1310-24mm-taper-lock-bushing"

"name":"D&D Global 16T10/1780R Timing Belt — T10 Section

so the 4/B63 interchanges with Gates 4/B63

BlackStar 100BS13 1 3/4 K2S - 100 Pitch Finished Bore Sprocket - 13 Tooth - 1-3/4" Bore Narrow 2-Bolt Flange Block 3/5VK710 is a standardized industryThe BlackStar 100BS13 1 3 4 K2S is a 100 pitch Finished Bore roller chain sprocket with 13 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1 3 4" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 100BS13 1 3 4 K2S Chain Pitch 100 Number of Teeth 13 Bore Size 1 3 4" Minimum Bore 1" Maximum Bore 2 3 16"