Manufacturer Part Number: SUHB8018|Sprocket Type|Roller ChainsChain 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)|Keyway Width|Keyway Width (Inch)|Keyway Width (Decimal Inch)|Keyway Width (mm)|Keyway Depth (mm)|Keyway Depth (Fractional Inch)|Keyway Depth (Decimal Inch)|Material|PlasticBushing Series|Standards|Maximum Bore Diameter (Inch)|1Bushing Number|Minimum Bore Diameter (Inch)|Idler Size|Minimum Bore Diameter (Decimal Inch)|Thickness (Decimal Inch - 4 Decimals)|Minimum Bore Diameter (mm)|Maximum Bore Diameter (Decimal Inch)|1.0000Maximum Bore Diameter (mm)|Number Of Teeth|18Product Service Code|3020UNSPSC Code|