BlackStar 80BS39 1 3/8 K2S - 80 Pitch Finished Bore Sprocket - 39 Tooth - 1-3/8" Bore Polyflex Belt "sku":"TB037256201912"

"sku":"TB037256201912"

"text": "1040K10 has 10 ribs

"sku":"TB072053480214"

so a 2/C285 from any major manufacturer shares the same cross-section and length and runs on the same sheaves

The Gates 5/3V300 Super HC PowerBand Belts is a banded V-belt featuring Narrow wedge 3V dimensions

BlackStar 80BS39 1 3/8 K2S - 80 Pitch Finished Bore Sprocket - 39 Tooth - 1-3/8" Bore Polyflex Belt "sku":"TB037256201912"The BlackStar 80BS39 1 3 8 K2S is a 80 pitch Finished Bore roller chain sprocket with 39 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1 3 8" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 80BS39 1 3 8 K2S Chain Pitch 80 Number of Teeth 39 Bore Size 1 3 8" Minimum Bore 1 1 4" Maximum Bore 2 15 16"