BlackStar H50BS15 1 1/4 K2S - 50 Pitch Finished Bore Sprocket - 15 Tooth - 1-1/4" Bore Stainless Steel Ball Bearing "name": "Is 16/BK126 the same

"name": "Is 16/BK126 the same as other brands' 16/BK126

so a 10/5V2650 from any major manufacturer shares the same cross-section and length and runs on the same sheaves

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"name": "Is 16/B138 the same as other brands' 16/B138

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BlackStar H50BS15 1 1/4 K2S - 50 Pitch Finished Bore Sprocket - 15 Tooth - 1-1/4" Bore Stainless Steel Ball Bearing "name": "Is 16/BK126 the sameThe BlackStar H50BS15 1 1 4 K2S is a 50 pitch Finished Bore roller chain sprocket with 15 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 1 4" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H50BS15 1 1 4 K2S Chain Pitch 50 Number of Teeth 15 Bore