BlackStar 50A45Q - 50 Pitch A-Plate Sprocket - 45 Tooth Taper Lock Bushing English so a 1622V630 from any

so a 1622V630 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

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Specification Value Part Number 18/C285 Cross Section C Construction Wrapped Top Width 7/8" Thickness 0

1280-P8M-25 is a standardized industry size

BlackStar 50A45Q - 50 Pitch A-Plate Sprocket - 45 Tooth Taper Lock Bushing English so a 1622V630 from anyThe BlackStar 50A45Q is a 50 pitch A Plate roller chain sprocket with 45 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. Specifications Part Number 50A45Q Chain Pitch 50 Number of Teeth 45 Bore Type Plain Bore Hub Style A Plate Strand Count Single Material Steel Outside Diameter 9. 31" Pitch Diameter 8. 960" Approx. Weight 5. 9 lbs Cross references: Browning 50A45, Martin