BlackStar H50BS24 1 3/4 K2S - 50 Pitch Finished Bore Sprocket - 24 Tooth - 1-3/4" Bore Cam Follower 3/BX137 is a banded v-belt

3/BX137 is a banded v-belt used on industrial drives - fans and blowers

"sku":"2/5VX850-Diesel"

531 in Sheave Angle 40° Number of Bands 3 Length 249 in (Outside Circumference) Construction Synthetic Rubber

437 in Length 34

so a 1208-8YU-50 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

BlackStar H50BS24 1 3/4 K2S - 50 Pitch Finished Bore Sprocket - 24 Tooth - 1-3/4" Bore Cam Follower 3/BX137 is a banded v-beltThe BlackStar H50BS24 1 3 4 K2S is a 50 pitch Finished Bore roller chain sprocket with 24 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 1 3 4" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H50BS24 1 3 4 K2S Chain Pitch 50 Number of Teeth 24 Bore