BlackStar 40BS52 1 1/2 K2S - 40 Pitch Finished Bore Sprocket - 52 Tooth - 1-1/2" Bore M The 10/C180 has a 7/8"

The 10/C180 has a 7/8" width

The Gates 6/5VP2500 Predator PowerBand Belts 91816250 is a banded V-belt featuring Narrow wedge 5V dimensions

The 5L660 is a fractional-horsepower V-belt for light-duty drives of one horsepower or less

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The D&D Global 6/B355 is a standard V-belt featuring Classical B-section dimensions

BlackStar 40BS52 1 1/2 K2S - 40 Pitch Finished Bore Sprocket - 52 Tooth - 1-1/2" Bore M The 10/C180 has a 7/8"The BlackStar 40BS52 1 1 2 K2S is a 40 pitch Finished Bore roller chain sprocket with 52 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1 1 2" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 40BS52 1 1 2 K2S Chain Pitch 40 Number of Teeth 52 Bore Size 1 1 2" Minimum Bore 5 8" Maximum Bore 1 1 2" Bore