BlackStar H80BS18 1 7/16 K2S - 80 Pitch Finished Bore Sprocket - 18 Tooth - 1-7/16" Bore Spherical 2-Bolt Pillow Block "text": "12/8V2550 is a banded

"text": "12/8V2550 is a banded v-belt used on industrial drives - fans and blowers

300-S8M-560 has a 8 mm tooth pitch

It is a direct replacement for Jason Industrial D173

The 11/B133 has a 21/32" width

"text": "300-S8M-528 is a timing belt used on positive

BlackStar H80BS18 1 7/16 K2S - 80 Pitch Finished Bore Sprocket - 18 Tooth - 1-7/16" Bore Spherical 2-Bolt Pillow Block "text": "12/8V2550 is a bandedThe BlackStar H80BS18 1 7 16 K2S is a 80 pitch Finished Bore roller chain sprocket with 18 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 7 16" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H80BS18 1 7 16 K2S Chain Pitch 80 Number of Teeth 18