BlackStar 50BS60 1 3/4 K2S - 50 Pitch Finished Bore Sprocket - 60 Tooth - 1-3/4" Bore 3.5/8" 20/3V1060 is a standardized industry

20/3V1060 is a standardized industry size

Is 3/D128 the same as other brands' 3/D128

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"name": "Is 5/8V1800 interchangeable with Gates 5/8V1800

The 285K8 is a micro-v belt from D&D Global's Dura-Prime Rib Pro Serpentine - K Series line

BlackStar 50BS60 1 3/4 K2S - 50 Pitch Finished Bore Sprocket - 60 Tooth - 1-3/4" Bore 3.5/8" 20/3V1060 is a standardized industryThe BlackStar 50BS60 1 3 4 K2S is a 50 pitch Finished Bore roller chain sprocket with 60 teeth, precision manufactured from SAE 1045 steel 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 50BS60 1 3 4 K2S Chain Pitch 50 Number of Teeth 60 Bore Size 1 3 4" Minimum Bore 1" Maximum Bore 1 15 16" Bore