BlackStar 80BS48 1 3/8 K2S - 80 Pitch Finished Bore Sprocket - 48 Tooth - 1-3/8" Bore 2-Bolt Flange Block (Large Bolt Holes) The 8/3V800 has a 3/8"

The 8/3V800 has a 3/8" width

The 1025K10 is a micro-v belt from D&D Global's Dura-Prime Rib Pro Serpentine - K Series line

The PIX 11/SPB5600 Industrial - V-Belt is a banded V-belt featuring Metric SPB (17mm) dimensions

"name":"Gates QD12/8V16

BlackStar 80BS48 1 3/8 K2S - 80 Pitch Finished Bore Sprocket - 48 Tooth - 1-3/8" Bore 2-Bolt Flange Block (Large Bolt Holes) The 8/3V800 has a 3/8"The BlackStar 80BS48 1 3 8 K2S is a 80 pitch Finished Bore roller chain sprocket with 48 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1 3 8" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 80BS48 1 3 8 K2S Chain Pitch 80 Number of Teeth 48 Bore Size 1 3 8" Minimum Bore 1 3 8" Maximum Bore 2 15 16"