BlackStar H60BS15 1 1/4 K2S - 60 Pitch Finished Bore Sprocket - 15 Tooth - 1-1/4" Bore AT20US Section Pitch Profile 3M Pitch 3

Pitch Profile 3M Pitch 3 mm Tooth Profile Curved (HTD) Tooth Location Single Side Number of Teeth 246 Width 15mm Length 738 mm Material Neoprene Reinforcement Fiberglass Cord Color Black Temperature Range -30°F to 185°F

"name": "Is 20/A139 the same as other brands' 20/A139

and Jason Industrial 2/B59

What is 250-S5M-775 used for

BlackStar H60BS15 1 1/4 K2S - 60 Pitch Finished Bore Sprocket - 15 Tooth - 1-1/4" Bore AT20US Section Pitch Profile 3M Pitch 3The BlackStar H60BS15 1 1 4 K2S is a 60 pitch Finished Bore roller chain sprocket with 15 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 1 4" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H60BS15 1 1 4 K2S Chain Pitch 60 Number of Teeth 15 Bore