BlackStar H120BS20 3 1/8 K2S - 120 Pitch Finished Bore Sprocket - 20 Tooth - 3-1/8" Bore Light-Duty Pillow Block 28 mm Effective Length 365

28 mm Effective Length 365 mm (14

What are the dimensions of 12/B315

"mpn":"59PK2040-Diesel"

so the 11/3VX425 interchanges with Gates 11/3VX425

BlackStar H120BS20 3 1/8 K2S - 120 Pitch Finished Bore Sprocket - 20 Tooth - 3-1/8" Bore Light-Duty Pillow Block 28 mm Effective Length 365The BlackStar H120BS20 3 1 8 K2S is a 120 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 3 1 8" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H120BS20 3 1 8 K2S Chain Pitch 120 Number of Teeth 20