BlackStar H50BTL17 - 50 Pitch Taper Lock Sprocket - 17 Tooth RE Belt Round Endless Belts 300-S8M-1040 is a timing belt

300-S8M-1040 is a timing belt used on positive

com/s/files/1/0666/7721/products/Banded_VF_Belts_2d1bcfe3-b1a3-4b89-a0a4-1d46f21678b5

The BlackStar D60P20H is a 60 pitch double strand Taper Lock roller chain sprocket with 20 teeth

The 290H150 is a timing belt from D&D Global's Dura-Premium Torque - H Series line

BlackStar H50BTL17 - 50 Pitch Taper Lock Sprocket - 17 Tooth RE Belt Round Endless Belts 300-S8M-1040 is a timing beltThe BlackStar H50BTL17 is a 50 pitch Taper Lock roller chain sprocket with 17 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 requires a Taper Lock Bushing (sold separately). Specifications Part Number H50BTL17 Chain Pitch 50 Number of Teeth 17 Bore Type Taper Lock Hub Style Taper Lock Bushing Required