BlackStar 40BS59 1 1/2 K2S - 40 Pitch Finished Bore Sprocket - 59 Tooth - 1-1/2" Bore XXH Section so a 6/B99 from any

so a 6/B99 from any major manufacturer shares the same cross-section and length and runs on the same sheaves

Continental AX71

"name": "What are the dimensions of 3/A76

The 2/5VX1160 is a banded v-belt from D&D Global's Dura-Extreme Band Wedge - 5Vx Series line

"name":"Gates 19/A55 Hi-Power II PowerBand V-Belts 909219055"

BlackStar 40BS59 1 1/2 K2S - 40 Pitch Finished Bore Sprocket - 59 Tooth - 1-1/2" Bore XXH Section so a 6/B99 from anyThe BlackStar 40BS59 1 1 2 K2S is a 40 pitch Finished Bore roller chain sprocket with 59 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 40BS59 1 1 2 K2S Chain Pitch 40 Number of Teeth 59 Bore Size 1 1 2" Minimum Bore 5 8" Maximum Bore 1 1 2" Bore