BlackStar H50B21 - 50 Pitch B-Hub Sprocket - 21 Tooth Pitch-78 v=1770156896"

v=1770156896"

The Megadyne 3VX475 is a raw-edge

1863-3M-09 has a 3 mm tooth pitch

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BlackStar H50B21 - 50 Pitch B-Hub Sprocket - 21 Tooth Pitch-78 v=1770156896"The BlackStar H50B21 is a 50 pitch B Hub roller chain sprocket with 21 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. Specifications Part Number H50B21 Chain Pitch 50 Number of Teeth 21 Minimum Bore 3 4" Maximum Bore 2" Bore Type Plain Bore Hub Style B Hub Strand Count Single Material Steel Hardened Teeth Yes Outside