BlackStar 60BS53 2 3/16 K2S - 60 Pitch Finished Bore Sprocket - 53 Tooth - 2-3/16" Bore 18mm Prefer our D&D Global equivalent:

Prefer our D&D Global equivalent: A65/4L670 V-Belt

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Belt Section SPA Sub-Type Banded Width 13mm Thickness 10mm Length 1532 mm Number of Bands/Ribs 3 Material Neoprene Reinforcement Polyester Cord Color Black Temperature Range -30°F to 185°F

so a 1150-5M-15 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

BlackStar 60BS53 2 3/16 K2S - 60 Pitch Finished Bore Sprocket - 53 Tooth - 2-3/16" Bore 18mm Prefer our D&D Global equivalent:The BlackStar 60BS53 2 3 16 K2S is a 60 pitch Finished Bore roller chain sprocket with 53 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 2 3 16" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 60BS53 2 3 16 K2S Chain Pitch 60 Number of Teeth 53 Bore Size 2 3 16" Minimum Bore 1" Maximum Bore 2 7 16"