BlackStar H80BS28 2 K2S - 80 Pitch Finished Bore Sprocket - 28 Tooth - 2" Bore PowerGrip GT and Poly Chain GT - 5M Sprocket com/s/files/1/0666/7721/products/Banded_VF_Belts_1d4ee4b8-1bf9-4b0b-8543-31d70b6daab0

com/s/files/1/0666/7721/products/Banded_VF_Belts_1d4ee4b8-1bf9-4b0b-8543-31d70b6daab0

Specifications Part Number R1 3 11/16 Bushing Type Split Taper Series R1 Bore Size 3 11/16" Minimum Bore 1-1/8" Maximum Bore 2-13/16" Outside Diameter 4

so a 6/D144 from any major manufacturer shares the same cross-section and length and runs on the same sheaves

"sku":"TB072053102567"

"text": "20/3V900 has a top width of 7

BlackStar H80BS28 2 K2S - 80 Pitch Finished Bore Sprocket - 28 Tooth - 2" Bore PowerGrip GT and Poly Chain GT - 5M Sprocket com/s/files/1/0666/7721/products/Banded_VF_Belts_1d4ee4b8-1bf9-4b0b-8543-31d70b6daab0The BlackStar H80BS28 2 K2S is a 80 pitch Finished Bore roller chain sprocket with 28 teeth, precision manufactured from SAE 1045 steel with induction hardened teeth for extended wear life and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 2" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H80BS28 2 K2S Chain Pitch 80 Number of Teeth 28 Bore Size 2"