BlackStar H50BTL20 - 50 Pitch Taper Lock Sprocket - 20 Tooth 5.7/16" Prefer our D&D Global equivalent:

Prefer our D&D Global equivalent: 3L675 V-Belt

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com/products/gates-15-3v530-super-hc-powerband-v-belt"

The 19/3VX850 has a 3/8" width

BlackStar H50BTL20 - 50 Pitch Taper Lock Sprocket - 20 Tooth 5.7/16" Prefer our D&D Global equivalent:The BlackStar H50BTL20 is a 50 pitch Taper Lock roller chain sprocket with 20 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 H50BTL20 Chain Pitch 50 Number of Teeth 20 Bore Type Taper Lock Hub Style Taper Lock Bushing Required