BlackStar H80BS20 2 15/16 K2S - 80 Pitch Finished Bore Sprocket - 20 Tooth - 2-15/16" Bore 20M What does the P8M in

What does the P8M in 1224-P8M-30 mean

Specifications Bore Size 1-7/8" Housing Style 3-Bolt Flange Bracket Shaft Attachment Set Screw Series 210 Seal Type Silicone Seal with Flinger Material 304 Stainless Steel (Housing)

so a 16T10/1700US from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

"mpn":"TB072053099942"

"price":"3249

BlackStar H80BS20 2 15/16 K2S - 80 Pitch Finished Bore Sprocket - 20 Tooth - 2-15/16" Bore 20M What does the P8M inThe BlackStar H80BS20 2 15 16 K2S is a 80 pitch Finished Bore roller chain sprocket with 20 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 2 15 16" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H80BS20 2 15 16 K2S Chain Pitch 80 Number of Teeth