BlackStar 2050B17 - 2050 Pitch B-Hub Sprocket - 17 Tooth O-Ring Belt so a 1310L12 from any

so a 1310L12 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

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com/s/files/1/0666/7721/products/Taper-Lock_Bushing_ce4c21ad-927b-49e4-8d2b-9214859841d1

20/A55 has a top width of 12

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BlackStar 2050B17 - 2050 Pitch B-Hub Sprocket - 17 Tooth O-Ring Belt so a 1310L12 from anyThe BlackStar 2050B17 is a 2050 pitch B Hub roller chain sprocket with 17 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. Specifications Part Number 2050B17 Chain Pitch 2050 Number of Teeth 17 Bore Type Plain Bore Hub Style B Hub Strand Count Single Material Steel Approx. Weight 1. 700 lbs Cross references: Browning H2050B17, Martin 2050BS17, Boston Gear RS2050B17