BlackStar H80BS16 1 3/4 K2S - 80 Pitch Finished Bore Sprocket - 16 Tooth - 1-3/4" Bore 3M 2/B162 has a top width

2/B162 has a top width of 1

What does the 8M in 1600-8M-85 mean

"mpn":"TB037256541308"

and a 450 mm (Pitch Length)

The 7/5VX950 is used for high-shock and high-vibration drives

BlackStar H80BS16 1 3/4 K2S - 80 Pitch Finished Bore Sprocket - 16 Tooth - 1-3/4" Bore 3M 2/B162 has a top widthThe BlackStar H80BS16 1 3 4 K2S is a 80 pitch Finished Bore roller chain sprocket with 16 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. This sprocket has a 1 3 4" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H80BS16 1 3 4 K2S Chain Pitch 80 Number of Teeth 16 Bore