BlackStar 40BS57 3/4 K2S - 40 Pitch Finished Bore Sprocket - 57 Tooth - 3/4" Bore Pitch-2050 "mpn":"TB770075429104"

"mpn":"TB770075429104"

"sku":"11/C420-D&D"

"sku":"19/A70-D&D"

The D&D Global 2/BK170 is a standard V-belt featuring Classical B-section dimensions

"sku":"1800-5M-25-D&D"

BlackStar 40BS57 3/4 K2S - 40 Pitch Finished Bore Sprocket - 57 Tooth - 3/4" Bore Pitch-2050 "mpn":"TB770075429104"The BlackStar 40BS57 3 4 K2S is a 40 pitch Finished Bore roller chain sprocket with 57 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 3 4" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 40BS57 3 4 K2S Chain Pitch 40 Number of Teeth 57 Bore Size 3 4" Minimum Bore 5 8" Maximum Bore 1 1 2" Bore Type