BlackStar 50BS39 1 1/8 K2S - 50 Pitch Finished Bore Sprocket - 39 Tooth - 1-1/8" Bore 3M Section 375L050 has a 9

375L050 has a 9

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Prefer our D&D Global equivalent: XPZ3550 Cogged V-Belt

com/s/files/1/0666/7721/products/MultiSpeed_Variable_Speed_2dfb19ae-414a-4c31-b439-a85b4bed0ed2

The 1216-8M-20 is a timing belt from D&D Global's Dura-Sync Torque - 8M Series line

BlackStar 50BS39 1 1/8 K2S - 50 Pitch Finished Bore Sprocket - 39 Tooth - 1-1/8" Bore 3M Section 375L050 has a 9The BlackStar 50BS39 1 1 8 K2S is a 50 pitch Finished Bore roller chain sprocket with 39 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1 1 8" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 50BS39 1 1 8 K2S Chain Pitch 50 Number of Teeth 39 Bore Size 1 1 8" Minimum Bore 3 4" Maximum Bore 1 15 16"