Manufacturer Part Number: 80B20F-1J|Sprocket Type|Finished BoreChain Pitch (Decimal Inch)|1.0000Chain Pitch (Inch)|1Iso Number|Pitch Diameter (Decimal Inch)|Pitch Diameter (mm)|Hub Diameter (mm)|Hub Diameter (Decimal Inch)|Chain Trade Size|80Outside Diameter (mm)|Outside Diameter (Decimal Inch - 4 Decimals)|6.9100Keyway Width|Keyway Width (Inch)|Keyway Width (Decimal Inch)|Keyway Width (mm)|Keyway Depth (mm)|Keyway Depth (Fractional Inch)|Keyway Depth (Decimal Inch)|Material|Bushing Series|Standards|Maximum Bore Diameter (Inch)|Bushing Number|Minimum Bore Diameter (Inch)|1-5/8Idler Size|Minimum Bore Diameter (Decimal Inch)|Thickness (Decimal Inch - 4 Decimals)|Minimum Bore Diameter (mm)|Maximum Bore Diameter (Decimal Inch)|Maximum Bore Diameter (mm)|Number Of Teeth|20Product Service Code|3020UNSPSC Code|