BlackStar 50BS38 1 1/8 K2S - 50 Pitch Finished Bore Sprocket - 38 Tooth - 1-1/8" Bore Bearing Lock Washer Prefer our D&D Global equivalent:

Prefer our D&D Global equivalent: D&D Global 11/B315 Banded V-Belt - B Section

so the 20/3V600 interchanges with Gates 20/3V600

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The D&D Global 120-5M-150 is a synchronous timing belt with 5M-pitch profile

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BlackStar 50BS38 1 1/8 K2S - 50 Pitch Finished Bore Sprocket - 38 Tooth - 1-1/8" Bore Bearing Lock Washer Prefer our D&D Global equivalent:The BlackStar 50BS38 1 1 8 K2S is a 50 pitch Finished Bore roller chain sprocket with 38 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 50BS38 1 1 8 K2S Chain Pitch 50 Number of Teeth 38 Bore Size 1 1 8" Minimum Bore 3 4" Maximum Bore 1 15 16"